Records 1–400 — Current EPA nonattainment county designations by pollutant

Records 1 to 400 of 463. Each links to its own page, which carries the source URL and the quoted line that states the value.

• denver-boulder-greeley-ft-collins-loveland-co-severe-15 · COLORADO · Adams County · 8-Hour Ozone (2008)Adams County | 8-Hour Ozone (2008) | | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15)
• san-francisco-bay-area-ca-marginal · CALIFORNIA · Alameda County · 8-Hour Ozone (2008)Alameda County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | | San Francisco Bay Area, CA - (Marginal)
• pittsburgh-beaver-valley-pa-marginal · PENNSYLVANIA · Allegheny County · 8-Hour Ozone (2008)Allegheny County | 8-Hour Ozone (2008) | | Pittsburgh-Beaver Valley, PA - (Marginal)
• baltimore-md-moderate · MARYLAND · Anne Arundel County · 8-Hour Ozone (2008)Anne Arundel County | Sulfur Dioxide (2010) | * | Anne Arundel County and Baltimore County, MD | 8-Hour Ozone (2008) | | Baltimore, MD - (Moderate)
• denver-boulder-greeley-ft-collins-loveland-co-severe-15 · COLORADO · Arapahoe County · 8-Hour Ozone (2008)Arapahoe County | 8-Hour Ozone (2008) | | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15)
• pittsburgh-beaver-valley-pa-marginal · PENNSYLVANIA · Armstrong County · 8-Hour Ozone (2008)Armstrong County | Sulfur Dioxide (1971) | * | Armstrong County: Madison, Mahoning, Boggs, Washington, Pine, PA | Sulfur Dioxide (2010) | * | Indiana, PA | 8-Hour Ozone (2008) | |
• philadelphia-atlantic-city-pa-nj-marginal · NEW JERSEY · Atlantic County · 8-Hour Ozone (2008)Atlantic County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal)
• baltimore-md-moderate · MARYLAND · Baltimore city · 8-Hour Ozone (2008)Baltimore city | 8-Hour Ozone (2008) | | Baltimore, MD - (Moderate)
• baltimore-md-moderate · MARYLAND · Baltimore County · 8-Hour Ozone (2008)Baltimore County | Sulfur Dioxide (2010) | * | Anne Arundel County and Baltimore County, MD | 8-Hour Ozone (2008) | | Baltimore, MD - (Moderate)
• pittsburgh-beaver-valley-pa-marginal · PENNSYLVANIA · Beaver County · 8-Hour Ozone (2008)Beaver County | Lead (2008) | * | Lower Beaver Valley, PA | 8-Hour Ozone (2008) | | Pittsburgh-Beaver Valley, PA - (Marginal)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW JERSEY · Bergen County · 8-Hour Ozone (2008)Bergen County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• reading-pa-marginal · PENNSYLVANIA · Berks County · 8-Hour Ozone (2008)Berks County | Lead (2008) | * | Lyons, PA | Lead (2008) | * | North Reading, PA | 8-Hour Ozone (2008) | | Reading, PA - (Marginal)
• denver-boulder-greeley-ft-collins-loveland-co-severe-15 · COLORADO · Boulder County · 8-Hour Ozone (2008)Boulder County | 8-Hour Ozone (2008) | | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15)
• houston-galveston-brazoria-tx-severe-15 · TEXAS · Brazoria County · 8-Hour Ozone (2008)Brazoria County | 8-Hour Ozone (2008) | | Houston-Galveston-Brazoria, TX - (Severe 15)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW YORK · Bronx County · 8-Hour Ozone (2008)Bronx County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• denver-boulder-greeley-ft-collins-loveland-co-severe-15 · COLORADO · Broomfield County · 8-Hour Ozone (2008)Broomfield County | 8-Hour Ozone (2008) | | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15)
• philadelphia-atlantic-city-pa-nj-marginal · PENNSYLVANIA · Bucks County · 8-Hour Ozone (2008)Bucks County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal)
• philadelphia-atlantic-city-pa-nj-marginal · NEW JERSEY · Burlington County · 8-Hour Ozone (2008)Burlington County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal)
• pittsburgh-beaver-valley-pa-marginal · PENNSYLVANIA · Butler County · 8-Hour Ozone (2008)Butler County | 8-Hour Ozone (2008) | | Pittsburgh-Beaver Valley, PA - (Marginal)
• chico-butte-county-ca-marginal · CALIFORNIA · Butte County · 8-Hour Ozone (2008)Butte County | 8-Hour Ozone (2008) | | Chico (Butte County), CA - (Marginal)
• calaveras-county-ca-marginal · CALIFORNIA · Calaveras County · 8-Hour Ozone (2008)Calaveras County | 8-Hour Ozone (2008) | | Calaveras County, CA - (Marginal)
• philadelphia-atlantic-city-pa-nj-marginal · NEW JERSEY · Camden County · 8-Hour Ozone (2008)Camden County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal)
• philadelphia-atlantic-city-pa-nj-marginal · NEW JERSEY · Cape May County · 8-Hour Ozone (2008)Cape May County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal)
• allentown-bethlehem-easton-pa-marginal · PENNSYLVANIA · Carbon County · 8-Hour Ozone (2008)Carbon County | 8-Hour Ozone (2008) | | Allentown-Bethlehem-Easton, PA - (Marginal)
• baltimore-md-moderate · MARYLAND · Carroll County · 8-Hour Ozone (2008)Carroll County | 8-Hour Ozone (2008) | | Baltimore, MD - (Moderate)
• cecil-county-md-marginal · MARYLAND · Cecil County · 8-Hour Ozone (2008)Cecil County | 8-Hour Ozone (2008) | | Cecil County, MD - (Marginal)
• houston-galveston-brazoria-tx-severe-15 · TEXAS · Chambers County · 8-Hour Ozone (2008)Chambers County | 8-Hour Ozone (2008) | | Houston-Galveston-Brazoria, TX - (Severe 15)
• jamestown-ny-marginal · NEW YORK · Chautauqua County · 8-Hour Ozone (2008)Chautauqua County | 8-Hour Ozone (2008) | | Jamestown, NY - (Marginal)
• philadelphia-atlantic-city-pa-nj-marginal · PENNSYLVANIA · Chester County · 8-Hour Ozone (2008)Chester County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal)
• dallas-fort-worth-tx-severe-15 · TEXAS · Collin County · 8-Hour Ozone (2008)Collin County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15)
• san-francisco-bay-area-ca-marginal · CALIFORNIA · Contra Costa County · 8-Hour Ozone (2008)Contra Costa County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | | San Francisco Bay Area, CA - (Marginal)
• philadelphia-atlantic-city-pa-nj-marginal · NEW JERSEY · Cumberland County · 8-Hour Ozone (2008)Cumberland County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal)
• dallas-fort-worth-tx-severe-15 · TEXAS · Dallas County · 8-Hour Ozone (2008)Dallas County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15)
• philadelphia-atlantic-city-pa-nj-marginal · PENNSYLVANIA · Delaware County · 8-Hour Ozone (2008)Delaware County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal)
• dallas-fort-worth-tx-severe-15 · TEXAS · Denton County · 8-Hour Ozone (2008)Denton County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15)
• denver-boulder-greeley-ft-collins-loveland-co-severe-15 · COLORADO · Denver County · 8-Hour Ozone (2008)Denver County | 8-Hour Ozone (2008) | | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15)
• denver-boulder-greeley-ft-collins-loveland-co-severe-15 · COLORADO · Douglas County · 8-Hour Ozone (2008)Douglas County | 8-Hour Ozone (2008) | | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15)
• dukes-county-ma-marginal · MASSACHUSETTS · Dukes County · 8-Hour Ozone (2008)Dukes County | 8-Hour Ozone (2008) | | Dukes County, MA - (Marginal)
• sacramento-metro-ca-severe-15 · CALIFORNIA · El Dorado County · 8-Hour Ozone (2008)El Dorado County | PM-2.5 (2006) | * | Sacramento, CA - (Moderate) | 8-Hour Ozone (2008) | * | Sacramento Metro, CA - (Severe 15)
• dallas-fort-worth-tx-severe-15 · TEXAS · Ellis County · 8-Hour Ozone (2008)Ellis County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW JERSEY · Essex County · 8-Hour Ozone (2008)Essex County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · CONNECTICUT · Fairfield County · 8-Hour Ozone (2008)Fairfield County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• pittsburgh-beaver-valley-pa-marginal · PENNSYLVANIA · Fayette County · 8-Hour Ozone (2008)Fayette County | 8-Hour Ozone (2008) | | Pittsburgh-Beaver Valley, PA - (Marginal)
• houston-galveston-brazoria-tx-severe-15 · TEXAS · Fort Bend County · 8-Hour Ozone (2008)Fort Bend County | 8-Hour Ozone (2008) | | Houston-Galveston-Brazoria, TX - (Severe 15)
• san-joaquin-valley-ca-extreme · CALIFORNIA · Fresno County · 8-Hour Ozone (2008)Fresno County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serious) |
• houston-galveston-brazoria-tx-severe-15 · TEXAS · Galveston County · 8-Hour Ozone (2008)Galveston County | 8-Hour Ozone (2008) | | Houston-Galveston-Brazoria, TX - (Severe 15)
• philadelphia-atlantic-city-pa-nj-marginal · NEW JERSEY · Gloucester County · 8-Hour Ozone (2008)Gloucester County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal)
• baltimore-md-moderate · MARYLAND · Harford County · 8-Hour Ozone (2008)Harford County | 8-Hour Ozone (2008) | | Baltimore, MD - (Moderate)
• houston-galveston-brazoria-tx-severe-15 · TEXAS · Harris County · 8-Hour Ozone (2008)Harris County | 8-Hour Ozone (2008) | | Houston-Galveston-Brazoria, TX - (Severe 15)
• greater-connecticut-ct-serious · CONNECTICUT · Hartford County · 8-Hour Ozone (2008)Hartford County | 8-Hour Ozone (2008) | | Greater Connecticut, CT - (Serious)
• baltimore-md-moderate · MARYLAND · Howard County · 8-Hour Ozone (2008)Howard County | 8-Hour Ozone (2008) | | Baltimore, MD - (Moderate)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW JERSEY · Hudson County · 8-Hour Ozone (2008)Hudson County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW JERSEY · Hunterdon County · 8-Hour Ozone (2008)Hunterdon County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• imperial-county-ca-moderate · CALIFORNIA · Imperial County · 8-Hour Ozone (2008)Imperial County | PM-2.5 (2006) | * | Imperial County, CA - (Moderate) | PM-2.5 (2012) | * | Imperial County, CA - (Moderate) | 8-Hour Ozone (2008) | | Imperial County, CA - (Moder
• denver-boulder-greeley-ft-collins-loveland-co-severe-15 · COLORADO · Jefferson County · 8-Hour Ozone (2008)Jefferson County | 8-Hour Ozone (2008) | | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15)
• dallas-fort-worth-tx-severe-15 · TEXAS · Johnson County · 8-Hour Ozone (2008)Johnson County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15)
• dallas-fort-worth-tx-severe-15 · TEXAS · Kaufman County · 8-Hour Ozone (2008)Kaufman County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15)
• kern-county-eastern-kern-ca-severe-15 · CALIFORNIA · Kern County · 8-Hour Ozone (2008)Kern County | PM-10 (1987) | * | East Kern County, CA - (Serious) | PM-2.5 (1997) | * | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | * | San Joaquin Valley, CA - (Serious)
• san-joaquin-valley-ca-extreme · CALIFORNIA · Kern County · 8-Hour Ozone (2008)Kern County | PM-10 (1987) | * | East Kern County, CA - (Serious) | PM-2.5 (1997) | * | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | * | San Joaquin Valley, CA - (Serious)
• san-joaquin-valley-ca-extreme · CALIFORNIA · Kings County · 8-Hour Ozone (2008)Kings County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serious) |
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW YORK · Kings County · 8-Hour Ozone (2008)Kings County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• lancaster-pa-marginal · PENNSYLVANIA · Lancaster County · 8-Hour Ozone (2008)Lancaster County | 8-Hour Ozone (2008) | | Lancaster, PA - (Marginal)
• denver-boulder-greeley-ft-collins-loveland-co-severe-15 · COLORADO · Larimer County · 8-Hour Ozone (2008)Larimer County | 8-Hour Ozone (2008) | * | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15)
• allentown-bethlehem-easton-pa-marginal · PENNSYLVANIA · Lehigh County · 8-Hour Ozone (2008)Lehigh County | 8-Hour Ozone (2008) | | Allentown-Bethlehem-Easton, PA - (Marginal)
• houston-galveston-brazoria-tx-severe-15 · TEXAS · Liberty County · 8-Hour Ozone (2008)Liberty County | 8-Hour Ozone (2008) | | Houston-Galveston-Brazoria, TX - (Severe 15)
• upper-green-river-basin-area-wy-marginal · WYOMING · Lincoln County · 8-Hour Ozone (2008)Lincoln County | 8-Hour Ozone (2008) | * | Upper Green River Basin Area, WY - (Marginal)
• greater-connecticut-ct-serious · CONNECTICUT · Litchfield County · 8-Hour Ozone (2008)Litchfield County | 8-Hour Ozone (2008) | | Greater Connecticut, CT - (Serious)
• los-angeles-san-bernardino-counties-west-mojave-desert-ca-severe-15 · CALIFORNIA · Los Angeles County · 8-Hour Ozone (2008)Los Angeles County | Lead (2008) | * | Los Angeles County-South Coast Air Basin, CA | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM-2.5 (2006) | * | L
• los-angeles-south-coast-air-basin-ca-extreme · CALIFORNIA · Los Angeles County · 8-Hour Ozone (2008)Los Angeles County | Lead (2008) | * | Los Angeles County-South Coast Air Basin, CA | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM-2.5 (2006) | * | L
• san-joaquin-valley-ca-extreme · CALIFORNIA · Madera County · 8-Hour Ozone (2008)Madera County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serious) |
• phoenix-mesa-az-moderate · ARIZONA · Maricopa County · 8-Hour Ozone (2008)Maricopa County | PM-10 (1987) | * | Maricopa and Pinal Counties; Phoenix planning area, AZ - (Serious) | 8-Hour Ozone (2008) | * | Phoenix-Mesa, AZ - (Moderate)
• san-francisco-bay-area-ca-marginal · CALIFORNIA · Marin County · 8-Hour Ozone (2008)Marin County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | | San Francisco Bay Area, CA - (Marginal)
• mariposa-county-ca-moderate · CALIFORNIA · Mariposa County · 8-Hour Ozone (2008)Mariposa County | 8-Hour Ozone (2008) | | Mariposa County, CA - (Moderate)
• san-joaquin-valley-ca-extreme · CALIFORNIA · Merced County · 8-Hour Ozone (2008)Merced County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serious) |
• philadelphia-atlantic-city-pa-nj-marginal · NEW JERSEY · Mercer County · 8-Hour Ozone (2008)Mercer County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · CONNECTICUT · Middlesex County · 8-Hour Ozone (2008)Middlesex County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW JERSEY · Middlesex County · 8-Hour Ozone (2008)Middlesex County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW JERSEY · Monmouth County · 8-Hour Ozone (2008)Monmouth County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• philadelphia-atlantic-city-pa-nj-marginal · PENNSYLVANIA · Montgomery County · 8-Hour Ozone (2008)Montgomery County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal)
• houston-galveston-brazoria-tx-severe-15 · TEXAS · Montgomery County · 8-Hour Ozone (2008)Montgomery County | 8-Hour Ozone (2008) | | Houston-Galveston-Brazoria, TX - (Severe 15)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW JERSEY · Morris County · 8-Hour Ozone (2008)Morris County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• san-francisco-bay-area-ca-marginal · CALIFORNIA · Napa County · 8-Hour Ozone (2008)Napa County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | | San Francisco Bay Area, CA - (Marginal)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW YORK · Nassau County · 8-Hour Ozone (2008)Nassau County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• nevada-county-western-part-ca-serious · CALIFORNIA · Nevada County · 8-Hour Ozone (2008)Nevada County | 8-Hour Ozone (2008) | * | Nevada County (Western part), CA - (Serious)
• new-castle-county-de-marginal · DELAWARE · New Castle County · 8-Hour Ozone (2008)New Castle County | 8-Hour Ozone (2008) | | New Castle County, DE - (Marginal)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · CONNECTICUT · New Haven County · 8-Hour Ozone (2008)New Haven County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• greater-connecticut-ct-serious · CONNECTICUT · New London County · 8-Hour Ozone (2008)New London County | 8-Hour Ozone (2008) | | Greater Connecticut, CT - (Serious)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW YORK · New York County · 8-Hour Ozone (2008)New York County | PM-10 (1987) | | New York County, NY - (Moderate) | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• allentown-bethlehem-easton-pa-marginal · PENNSYLVANIA · Northampton County · 8-Hour Ozone (2008)Northampton County | 8-Hour Ozone (2008) | | Allentown-Bethlehem-Easton, PA - (Marginal)
• philadelphia-atlantic-city-pa-nj-marginal · NEW JERSEY · Ocean County · 8-Hour Ozone (2008)Ocean County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal)
• los-angeles-south-coast-air-basin-ca-extreme · CALIFORNIA · Orange County · 8-Hour Ozone (2008)Orange County | PM-2.5 (1997) | | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM-2.5 (2006) | | Los Angeles-South Coast Air Basin, CA - (Serious) | PM-2.5 (2012) | | Los A
• dallas-fort-worth-tx-severe-15 · TEXAS · Parker County · 8-Hour Ozone (2008)Parker County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW JERSEY · Passaic County · 8-Hour Ozone (2008)Passaic County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• philadelphia-atlantic-city-pa-nj-marginal · PENNSYLVANIA · Philadelphia County · 8-Hour Ozone (2008)Philadelphia County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal)
• phoenix-mesa-az-moderate · ARIZONA · Pinal County · 8-Hour Ozone (2008)Pinal County | Lead (2008) | * | Hayden, AZ | PM-10 (1987) | * | Hayden, AZ - (Moderate) | PM-10 (1987) | * | Maricopa and Pinal Counties; Phoenix planning area, AZ - (Serious) | P
• sacramento-metro-ca-severe-15 · CALIFORNIA · Placer County · 8-Hour Ozone (2008)Placer County | PM-2.5 (2006) | * | Sacramento, CA - (Moderate) | 8-Hour Ozone (2008) | * | Sacramento Metro, CA - (Severe 15)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW YORK · Queens County · 8-Hour Ozone (2008)Queens County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW YORK · Richmond County · 8-Hour Ozone (2008)Richmond County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• los-angeles-south-coast-air-basin-ca-extreme · CALIFORNIA · Riverside County · 8-Hour Ozone (2008)Riverside County | PM-10 (1987) | * | Riverside County; Coachella Valley planning area, CA - (Serious) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM
• morongo-band-of-mission-indians-ca-severe-15 · CALIFORNIA · Riverside County · 8-Hour Ozone (2008)Riverside County | PM-10 (1987) | * | Riverside County; Coachella Valley planning area, CA - (Serious) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM
• pechanga-band-of-luiseno-mission-indians-of-the-pechanga-reservation-ca-moderate · CALIFORNIA · Riverside County · 8-Hour Ozone (2008)Riverside County | PM-10 (1987) | * | Riverside County; Coachella Valley planning area, CA - (Serious) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM
• riverside-county-coachella-valley-ca-extreme · CALIFORNIA · Riverside County · 8-Hour Ozone (2008)Riverside County | PM-10 (1987) | * | Riverside County; Coachella Valley planning area, CA - (Serious) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW YORK · Rockland County · 8-Hour Ozone (2008)Rockland County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• dallas-fort-worth-tx-severe-15 · TEXAS · Rockwall County · 8-Hour Ozone (2008)Rockwall County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15)
• sacramento-metro-ca-severe-15 · CALIFORNIA · Sacramento County · 8-Hour Ozone (2008)Sacramento County | PM-2.5 (2006) | | Sacramento, CA - (Moderate) | 8-Hour Ozone (2008) | | Sacramento Metro, CA - (Severe 15)
• philadelphia-atlantic-city-pa-nj-marginal · NEW JERSEY · Salem County · 8-Hour Ozone (2008)Salem County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal)
• los-angeles-san-bernardino-counties-west-mojave-desert-ca-severe-15 · CALIFORNIA · San Bernardino County · 8-Hour Ozone (2008)San Bernardino County | PM-10 (1987) | * | San Bernardino County, CA - (Moderate) | PM-10 (1987) | * | Trona, CA - (Moderate) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basi
• los-angeles-south-coast-air-basin-ca-extreme · CALIFORNIA · San Bernardino County · 8-Hour Ozone (2008)San Bernardino County | PM-10 (1987) | * | San Bernardino County, CA - (Moderate) | PM-10 (1987) | * | Trona, CA - (Moderate) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basi
• pechanga-band-of-luiseno-mission-indians-of-the-pechanga-reservation-ca-moderate · CALIFORNIA · San Diego County · 8-Hour Ozone (2008)San Diego County | 8-Hour Ozone (2008) | * | Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA - (Moderate)
• san-diego-county-ca-severe-15 · CALIFORNIA · San Diego County · 8-Hour Ozone (2008)San Diego County | 8-Hour Ozone (2008) | * | Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA - (Moderate) | 8-Hour Ozone (2008) | * | San Diego County, CA
• san-francisco-bay-area-ca-marginal · CALIFORNIA · San Francisco County · 8-Hour Ozone (2008)San Francisco County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | | San Francisco Bay Area, CA - (Marginal)
• san-joaquin-valley-ca-extreme · CALIFORNIA · San Joaquin County · 8-Hour Ozone (2008)San Joaquin County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serio
• san-luis-obispo-eastern-san-luis-obispo-ca-marginal · CALIFORNIA · San Luis Obispo County · 8-Hour Ozone (2008)San Luis Obispo County | 8-Hour Ozone (2008) | * | San Luis Obispo (Eastern San Luis Obispo), CA - (Marginal)
• san-francisco-bay-area-ca-marginal · CALIFORNIA · San Mateo County · 8-Hour Ozone (2008)San Mateo County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | | San Francisco Bay Area, CA - (Marginal)
• san-francisco-bay-area-ca-marginal · CALIFORNIA · Santa Clara County · 8-Hour Ozone (2008)Santa Clara County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | | San Francisco Bay Area, CA - (Marginal)
• sacramento-metro-ca-severe-15 · CALIFORNIA · Solano County · 8-Hour Ozone (2008)Solano County | PM-2.5 (2006) | * | Sacramento, CA - (Moderate) | PM-2.5 (2006) | * | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | * | Sacramento Metro, CA - (Se
• san-francisco-bay-area-ca-marginal · CALIFORNIA · Solano County · 8-Hour Ozone (2008)Solano County | PM-2.5 (2006) | * | Sacramento, CA - (Moderate) | PM-2.5 (2006) | * | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | * | Sacramento Metro, CA - (Se
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW JERSEY · Somerset County · 8-Hour Ozone (2008)Somerset County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• san-francisco-bay-area-ca-marginal · CALIFORNIA · Sonoma County · 8-Hour Ozone (2008)Sonoma County | PM-2.5 (2006) | * | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | * | San Francisco Bay Area, CA - (Marginal)
• san-joaquin-valley-ca-extreme · CALIFORNIA · Stanislaus County · 8-Hour Ozone (2008)Stanislaus County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Seriou
• upper-green-river-basin-area-wy-marginal · WYOMING · Sublette County · 8-Hour Ozone (2008)Sublette County | 8-Hour Ozone (2008) | | Upper Green River Basin Area, WY - (Marginal)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW YORK · Suffolk County · 8-Hour Ozone (2008)Suffolk County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• seaford-de-marginal · DELAWARE · Sussex County · 8-Hour Ozone (2008)Sussex County | 8-Hour Ozone (2008) | | Seaford, DE - (Marginal)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW JERSEY · Sussex County · 8-Hour Ozone (2008)Sussex County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• sacramento-metro-ca-severe-15 · CALIFORNIA · Sutter County · 8-Hour Ozone (2008)Sutter County | 8-Hour Ozone (2008) | * | Sacramento Metro, CA - (Severe 15)
• upper-green-river-basin-area-wy-marginal · WYOMING · Sweetwater County · 8-Hour Ozone (2008)Sweetwater County | 8-Hour Ozone (2008) | * | Upper Green River Basin Area, WY - (Marginal)
• dallas-fort-worth-tx-severe-15 · TEXAS · Tarrant County · 8-Hour Ozone (2008)Tarrant County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15)
• tuscan-buttes-ca-marginal · CALIFORNIA · Tehama County · 8-Hour Ozone (2008)Tehama County | 8-Hour Ozone (2008) | * | Tuscan Buttes, CA - (Marginal)
• greater-connecticut-ct-serious · CONNECTICUT · Tolland County · 8-Hour Ozone (2008)Tolland County | 8-Hour Ozone (2008) | | Greater Connecticut, CT - (Serious)
• san-joaquin-valley-ca-extreme · CALIFORNIA · Tulare County · 8-Hour Ozone (2008)Tulare County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serious) |
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW JERSEY · Union County · 8-Hour Ozone (2008)Union County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• ventura-county-ca-serious · CALIFORNIA · Ventura County · 8-Hour Ozone (2008)Ventura County | 8-Hour Ozone (2008) | * | Ventura County, CA - (Serious)
• houston-galveston-brazoria-tx-severe-15 · TEXAS · Waller County · 8-Hour Ozone (2008)Waller County | 8-Hour Ozone (2008) | | Houston-Galveston-Brazoria, TX - (Severe 15)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW JERSEY · Warren County · 8-Hour Ozone (2008)Warren County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• pittsburgh-beaver-valley-pa-marginal · PENNSYLVANIA · Washington County · 8-Hour Ozone (2008)Washington County | 8-Hour Ozone (2008) | | Pittsburgh-Beaver Valley, PA - (Marginal)
• denver-boulder-greeley-ft-collins-loveland-co-severe-15 · COLORADO · Weld County · 8-Hour Ozone (2008)Weld County | 8-Hour Ozone (2008) | * | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15)
• new-york-n-new-jersey-long-island-ny-nj-ct-severe-15 · NEW YORK · Westchester County · 8-Hour Ozone (2008)Westchester County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15)
• pittsburgh-beaver-valley-pa-marginal · PENNSYLVANIA · Westmoreland County · 8-Hour Ozone (2008)Westmoreland County | Sulfur Dioxide (2010) | * | Cambria-Westmoreland Area, PA | 8-Hour Ozone (2008) | | Pittsburgh-Beaver Valley, PA - (Marginal)
• greater-connecticut-ct-serious · CONNECTICUT · Windham County · 8-Hour Ozone (2008)Windham County | 8-Hour Ozone (2008) | | Greater Connecticut, CT - (Serious)
• dallas-fort-worth-tx-severe-15 · TEXAS · Wise County · 8-Hour Ozone (2008)Wise County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15)
• sacramento-metro-ca-severe-15 · CALIFORNIA · Yolo County · 8-Hour Ozone (2008)Yolo County | PM-2.5 (2006) | * | Sacramento, CA - (Moderate) | 8-Hour Ozone (2008) | | Sacramento Metro, CA - (Severe 15)
• denver-metro-north-front-range-co-serious · COLORADO · Adams County · 8-Hour Ozone (2015)Adams County | 8-Hour Ozone (2008) | | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) | 8-Hour Ozone (2015) | | Denver Metro/North Front Range, CO - (Serious)
• san-francisco-bay-area-ca-marginal · CALIFORNIA · Alameda County · 8-Hour Ozone (2015)Alameda County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | | San Francisco Bay Area, CA - (Marginal) | 8-Hour Ozone (2015) | | San Francisco
• washington-dc-md-va-moderate · VIRGINIA · Alexandria city · 8-Hour Ozone (2015)Alexandria city | 8-Hour Ozone (2015) | | Washington, DC-MD-VA - (Moderate)
• allegan-county-mi-serious · MICHIGAN · Allegan County · 8-Hour Ozone (2015)Allegan County | 8-Hour Ozone (2015) | * | Allegan County, MI - (Serious)
• amador-county-ca-marginal · CALIFORNIA · Amador County · 8-Hour Ozone (2015)Amador County | 8-Hour Ozone (2015) | | Amador County, CA - (Marginal)
• baltimore-md-serious · MARYLAND · Anne Arundel County · 8-Hour Ozone (2015)Anne Arundel County | Sulfur Dioxide (2010) | * | Anne Arundel County and Baltimore County, MD | 8-Hour Ozone (2008) | | Baltimore, MD - (Moderate) | 8-Hour Ozone (2015) | | Baltim
• denver-metro-north-front-range-co-serious · COLORADO · Arapahoe County · 8-Hour Ozone (2015)Arapahoe County | 8-Hour Ozone (2008) | | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) | 8-Hour Ozone (2015) | | Denver Metro/North Front Range, CO - (Serious)
• washington-dc-md-va-moderate · VIRGINIA · Arlington County · 8-Hour Ozone (2015)Arlington County | 8-Hour Ozone (2015) | | Washington, DC-MD-VA - (Moderate)
• philadelphia-atlantic-city-pa-nj-serious · NEW JERSEY · Atlantic County · 8-Hour Ozone (2015)Atlantic County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal) | 8-Hour Ozone (2015) | | Philadelphia-Atlantic City, PA-NJ - (Serious)
• baltimore-md-serious · MARYLAND · Baltimore city · 8-Hour Ozone (2015)Baltimore city | 8-Hour Ozone (2008) | | Baltimore, MD - (Moderate) | 8-Hour Ozone (2015) | | Baltimore, MD - (Serious)
• baltimore-md-serious · MARYLAND · Baltimore County · 8-Hour Ozone (2015)Baltimore County | Sulfur Dioxide (2010) | * | Anne Arundel County and Baltimore County, MD | 8-Hour Ozone (2008) | | Baltimore, MD - (Moderate) | 8-Hour Ozone (2015) | | Baltimore
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW JERSEY · Bergen County · 8-Hour Ozone (2015)Bergen County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT - (S
• berrien-county-mi-serious · MICHIGAN · Berrien County · 8-Hour Ozone (2015)Berrien County | 8-Hour Ozone (2015) | | Berrien County, MI - (Serious)
• san-antonio-tx-serious · TEXAS · Bexar County · 8-Hour Ozone (2015)Bexar County | 8-Hour Ozone (2015) | | San Antonio, TX - (Serious)
• denver-metro-north-front-range-co-serious · COLORADO · Boulder County · 8-Hour Ozone (2015)Boulder County | 8-Hour Ozone (2008) | | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) | 8-Hour Ozone (2015) | | Denver Metro/North Front Range, CO - (Serious)
• houston-galveston-brazoria-tx-serious · TEXAS · Brazoria County · 8-Hour Ozone (2015)Brazoria County | 8-Hour Ozone (2008) | | Houston-Galveston-Brazoria, TX - (Severe 15) | 8-Hour Ozone (2015) | | Houston-Galveston-Brazoria, TX - (Serious)
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW YORK · Bronx County · 8-Hour Ozone (2015)Bronx County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT - (Se
• denver-metro-north-front-range-co-serious · COLORADO · Broomfield County · 8-Hour Ozone (2015)Broomfield County | 8-Hour Ozone (2008) | | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) | 8-Hour Ozone (2015) | | Denver Metro/North Front Range, CO - (Serious)
• philadelphia-atlantic-city-pa-nj-serious · PENNSYLVANIA · Bucks County · 8-Hour Ozone (2015)Bucks County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal) | 8-Hour Ozone (2015) | | Philadelphia-Atlantic City, PA-NJ - (Serious)
• louisville-ky-in-moderate · KENTUCKY · Bullitt County · 8-Hour Ozone (2015)Bullitt County | 8-Hour Ozone (2015) | | Louisville, KY-IN - (Moderate)
• philadelphia-atlantic-city-pa-nj-serious · NEW JERSEY · Burlington County · 8-Hour Ozone (2015)Burlington County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal) | 8-Hour Ozone (2015) | | Philadelphia-Atlantic City, PA-NJ - (Serious)
• butte-county-ca-marginal · CALIFORNIA · Butte County · 8-Hour Ozone (2015)Butte County | 8-Hour Ozone (2008) | | Chico (Butte County), CA - (Marginal) | 8-Hour Ozone (2015) | | Butte County, CA - (Marginal)
• calaveras-county-ca-marginal · CALIFORNIA · Calaveras County · 8-Hour Ozone (2015)Calaveras County | 8-Hour Ozone (2008) | | Calaveras County, CA - (Marginal) | 8-Hour Ozone (2015) | | Calaveras County, CA - (Marginal)
• washington-dc-md-va-moderate · MARYLAND · Calvert County · 8-Hour Ozone (2015)Calvert County | 8-Hour Ozone (2015) | | Washington, DC-MD-VA - (Moderate)
• philadelphia-atlantic-city-pa-nj-serious · NEW JERSEY · Camden County · 8-Hour Ozone (2015)Camden County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal) | 8-Hour Ozone (2015) | | Philadelphia-Atlantic City, PA-NJ - (Serious)
• philadelphia-atlantic-city-pa-nj-serious · NEW JERSEY · Cape May County · 8-Hour Ozone (2015)Cape May County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal) | 8-Hour Ozone (2015) | | Philadelphia-Atlantic City, PA-NJ - (Serious)
• baltimore-md-serious · MARYLAND · Carroll County · 8-Hour Ozone (2015)Carroll County | 8-Hour Ozone (2008) | | Baltimore, MD - (Moderate) | 8-Hour Ozone (2015) | | Baltimore, MD - (Serious)
• cecil-county-md-serious · MARYLAND · Cecil County · 8-Hour Ozone (2015)Cecil County | 8-Hour Ozone (2008) | | Cecil County, MD - (Marginal) | 8-Hour Ozone (2015) | | Cecil County, MD - (Serious)
• houston-galveston-brazoria-tx-serious · TEXAS · Chambers County · 8-Hour Ozone (2015)Chambers County | 8-Hour Ozone (2008) | | Houston-Galveston-Brazoria, TX - (Severe 15) | 8-Hour Ozone (2015) | | Houston-Galveston-Brazoria, TX - (Serious)
• washington-dc-md-va-moderate · MARYLAND · Charles County · 8-Hour Ozone (2015)Charles County | 8-Hour Ozone (2015) | | Washington, DC-MD-VA - (Moderate)
• philadelphia-atlantic-city-pa-nj-serious · PENNSYLVANIA · Chester County · 8-Hour Ozone (2015)Chester County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal) | 8-Hour Ozone (2015) | | Philadelphia-Atlantic City, PA-NJ - (Serious)
• las-vegas-nv-serious · NEVADA · Clark County · 8-Hour Ozone (2015)Clark County | 8-Hour Ozone (2015) | * | Las Vegas, NV - (Serious)
• dallas-fort-worth-tx-serious · TEXAS · Collin County · 8-Hour Ozone (2015)Collin County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15) | 8-Hour Ozone (2015) | | Dallas-Fort Worth, TX - (Serious)
• san-francisco-bay-area-ca-marginal · CALIFORNIA · Contra Costa County · 8-Hour Ozone (2015)Contra Costa County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | | San Francisco Bay Area, CA - (Marginal) | 8-Hour Ozone (2015) | | San Fran
• chicago-il-in-wi-serious · ILLINOIS · Cook County · 8-Hour Ozone (2015)Cook County | 8-Hour Ozone (2015) | | Chicago, IL-IN-WI - (Serious)
• philadelphia-atlantic-city-pa-nj-serious · NEW JERSEY · Cumberland County · 8-Hour Ozone (2015)Cumberland County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal) | 8-Hour Ozone (2015) | | Philadelphia-Atlantic City, PA-NJ - (Serious)
• dallas-fort-worth-tx-serious · TEXAS · Dallas County · 8-Hour Ozone (2015)Dallas County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15) | 8-Hour Ozone (2015) | | Dallas-Fort Worth, TX - (Serious)
• northern-wasatch-front-ut-serious · UTAH · Davis County · 8-Hour Ozone (2015)Davis County | 8-Hour Ozone (2015) | | Northern Wasatch Front, UT - (Serious)
• philadelphia-atlantic-city-pa-nj-serious · PENNSYLVANIA · Delaware County · 8-Hour Ozone (2015)Delaware County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal) | 8-Hour Ozone (2015) | | Philadelphia-Atlantic City, PA-NJ - (Serious)
• dallas-fort-worth-tx-serious · TEXAS · Denton County · 8-Hour Ozone (2015)Denton County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15) | 8-Hour Ozone (2015) | | Dallas-Fort Worth, TX - (Serious)
• denver-metro-north-front-range-co-serious · COLORADO · Denver County · 8-Hour Ozone (2015)Denver County | 8-Hour Ozone (2008) | | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) | 8-Hour Ozone (2015) | | Denver Metro/North Front Range, CO - (Serious)
• washington-dc-md-va-moderate · DISTRICT OF COLUMBIA · District of Columbia · 8-Hour Ozone (2015)District of Columbia | 8-Hour Ozone (2015) | | Washington, DC-MD-VA - (Moderate)
• el-paso-las-cruces-tx-nm-marginal · NEW MEXICO · Dona Ana County · 8-Hour Ozone (2015)Dona Ana County | PM-10 (1987) | * | Dona Ana County; Anthony, NM - (Moderate) | 8-Hour Ozone (2015) | * | El Paso-Las Cruces, TX-NM - (Marginal)
• denver-metro-north-front-range-co-serious · COLORADO · Douglas County · 8-Hour Ozone (2015)Douglas County | 8-Hour Ozone (2008) | | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) | 8-Hour Ozone (2015) | | Denver Metro/North Front Range, CO - (Serious)
• uinta-basin-ut-marginal · UTAH · Duchesne County · 8-Hour Ozone (2015)Duchesne County | 8-Hour Ozone (2015) | * | Uinta Basin, UT - (Marginal)
• chicago-il-in-wi-serious · ILLINOIS · DuPage County · 8-Hour Ozone (2015)DuPage County | 8-Hour Ozone (2015) | | Chicago, IL-IN-WI - (Serious)
• sacramento-metro-ca-serious · CALIFORNIA · El Dorado County · 8-Hour Ozone (2015)El Dorado County | PM-2.5 (2006) | * | Sacramento, CA - (Moderate) | 8-Hour Ozone (2008) | * | Sacramento Metro, CA - (Severe 15) | 8-Hour Ozone (2015) | * | Sacramento Metro, CA -
• el-paso-las-cruces-tx-nm-marginal · TEXAS · El Paso County · 8-Hour Ozone (2015)El Paso County | PM-10 (1987) | * | El Paso County, TX - (Moderate) | 8-Hour Ozone (2015) | | El Paso-Las Cruces, TX-NM - (Marginal)
• dallas-fort-worth-tx-serious · TEXAS · Ellis County · 8-Hour Ozone (2015)Ellis County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15) | 8-Hour Ozone (2015) | | Dallas-Fort Worth, TX - (Serious)
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW JERSEY · Essex County · 8-Hour Ozone (2015)Essex County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT - (Se
• washington-dc-md-va-moderate · VIRGINIA · Fairfax city · 8-Hour Ozone (2015)Fairfax city | 8-Hour Ozone (2015) | | Washington, DC-MD-VA - (Moderate)
• washington-dc-md-va-moderate · VIRGINIA · Fairfax County · 8-Hour Ozone (2015)Fairfax County | 8-Hour Ozone (2015) | | Washington, DC-MD-VA - (Moderate)
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · CONNECTICUT · Fairfield County · 8-Hour Ozone (2015)Fairfield County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT -
• washington-dc-md-va-moderate · VIRGINIA · Falls Church city · 8-Hour Ozone (2015)Falls Church city | 8-Hour Ozone (2015) | | Washington, DC-MD-VA - (Moderate)
• houston-galveston-brazoria-tx-serious · TEXAS · Fort Bend County · 8-Hour Ozone (2015)Fort Bend County | 8-Hour Ozone (2008) | | Houston-Galveston-Brazoria, TX - (Severe 15) | 8-Hour Ozone (2015) | | Houston-Galveston-Brazoria, TX - (Serious)
• st-louis-mo-il-serious · MISSOURI · Franklin County · 8-Hour Ozone (2015)Franklin County | 8-Hour Ozone (2015) | * | St. Louis, MO-IL - (Serious)
• washington-dc-md-va-moderate · MARYLAND · Frederick County · 8-Hour Ozone (2015)Frederick County | 8-Hour Ozone (2015) | | Washington, DC-MD-VA - (Moderate)
• san-joaquin-valley-ca-extreme · CALIFORNIA · Fresno County · 8-Hour Ozone (2015)Fresno County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serious) |
• houston-galveston-brazoria-tx-serious · TEXAS · Galveston County · 8-Hour Ozone (2015)Galveston County | 8-Hour Ozone (2008) | | Houston-Galveston-Brazoria, TX - (Severe 15) | 8-Hour Ozone (2015) | | Houston-Galveston-Brazoria, TX - (Serious)
• phoenix-mesa-az-moderate · ARIZONA · Gila County · 8-Hour Ozone (2015)Gila County | Lead (2008) | * | Hayden, AZ | PM-10 (1987) | * | Hayden, AZ - (Moderate) | PM-10 (1987) | * | Miami, AZ - (Moderate) | Sulfur Dioxide (2010) | * | Hayden, AZ | Sulfu
• philadelphia-atlantic-city-pa-nj-serious · NEW JERSEY · Gloucester County · 8-Hour Ozone (2015)Gloucester County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal) | 8-Hour Ozone (2015) | | Philadelphia-Atlantic City, PA-NJ - (Serious)
• chicago-il-in-wi-serious · ILLINOIS · Grundy County · 8-Hour Ozone (2015)Grundy County | 8-Hour Ozone (2015) | * | Chicago, IL-IN-WI - (Serious)
• baltimore-md-serious · MARYLAND · Harford County · 8-Hour Ozone (2015)Harford County | 8-Hour Ozone (2008) | | Baltimore, MD - (Moderate) | 8-Hour Ozone (2015) | | Baltimore, MD - (Serious)
• houston-galveston-brazoria-tx-serious · TEXAS · Harris County · 8-Hour Ozone (2015)Harris County | 8-Hour Ozone (2008) | | Houston-Galveston-Brazoria, TX - (Severe 15) | 8-Hour Ozone (2015) | | Houston-Galveston-Brazoria, TX - (Serious)
• greater-connecticut-ct-serious · CONNECTICUT · Hartford County · 8-Hour Ozone (2015)Hartford County | 8-Hour Ozone (2008) | | Greater Connecticut, CT - (Serious) | 8-Hour Ozone (2015) | | Greater Connecticut, CT - (Serious)
• baltimore-md-serious · MARYLAND · Howard County · 8-Hour Ozone (2015)Howard County | 8-Hour Ozone (2008) | | Baltimore, MD - (Moderate) | 8-Hour Ozone (2015) | | Baltimore, MD - (Serious)
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW JERSEY · Hudson County · 8-Hour Ozone (2015)Hudson County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT - (S
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW JERSEY · Hunterdon County · 8-Hour Ozone (2015)Hunterdon County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT -
• imperial-county-ca-marginal · CALIFORNIA · Imperial County · 8-Hour Ozone (2015)Imperial County | PM-2.5 (2006) | * | Imperial County, CA - (Moderate) | PM-2.5 (2012) | * | Imperial County, CA - (Moderate) | 8-Hour Ozone (2008) | | Imperial County, CA - (Moder
• denver-metro-north-front-range-co-serious · COLORADO · Jefferson County · 8-Hour Ozone (2015)Jefferson County | 8-Hour Ozone (2008) | | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) | 8-Hour Ozone (2015) | | Denver Metro/North Front Range, CO - (Serious)
• louisville-ky-in-moderate · KENTUCKY · Jefferson County · 8-Hour Ozone (2015)Jefferson County | 8-Hour Ozone (2015) | | Louisville, KY-IN - (Moderate)
• st-louis-mo-il-serious · MISSOURI · Jefferson County · 8-Hour Ozone (2015)Jefferson County | Lead (1978) | * | Jefferson County (part); Herculaneum, MO | Lead (2008) | * | Jefferson County, MO | 8-Hour Ozone (2015) | | St. Louis, MO-IL - (Serious)
• dallas-fort-worth-tx-serious · TEXAS · Johnson County · 8-Hour Ozone (2015)Johnson County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15) | 8-Hour Ozone (2015) | | Dallas-Fort Worth, TX - (Serious)
• chicago-il-in-wi-serious · ILLINOIS · Kane County · 8-Hour Ozone (2015)Kane County | 8-Hour Ozone (2015) | | Chicago, IL-IN-WI - (Serious)
• dallas-fort-worth-tx-serious · TEXAS · Kaufman County · 8-Hour Ozone (2015)Kaufman County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15) | 8-Hour Ozone (2015) | | Dallas-Fort Worth, TX - (Serious)
• chicago-il-in-wi-serious · ILLINOIS · Kendall County · 8-Hour Ozone (2015)Kendall County | 8-Hour Ozone (2015) | * | Chicago, IL-IN-WI - (Serious)
• chicago-il-in-wi-serious · WISCONSIN · Kenosha County · 8-Hour Ozone (2015)Kenosha County | 8-Hour Ozone (2015) | * | Chicago, IL-IN-WI - (Serious)
• kern-county-eastern-kern-ca-serious · CALIFORNIA · Kern County · 8-Hour Ozone (2015)Kern County | PM-10 (1987) | * | East Kern County, CA - (Serious) | PM-2.5 (1997) | * | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | * | San Joaquin Valley, CA - (Serious)
• san-joaquin-valley-ca-extreme · CALIFORNIA · Kern County · 8-Hour Ozone (2015)Kern County | PM-10 (1987) | * | East Kern County, CA - (Serious) | PM-2.5 (1997) | * | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | * | San Joaquin Valley, CA - (Serious)
• san-joaquin-valley-ca-extreme · CALIFORNIA · Kings County · 8-Hour Ozone (2015)Kings County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serious) |
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW YORK · Kings County · 8-Hour Ozone (2015)Kings County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT - (Se
• chicago-il-in-wi-serious · ILLINOIS · Lake County · 8-Hour Ozone (2015)Lake County | 8-Hour Ozone (2015) | | Chicago, IL-IN-WI - (Serious)
• chicago-il-in-wi-serious · INDIANA · Lake County · 8-Hour Ozone (2015)Lake County | 8-Hour Ozone (2015) | * | Chicago, IL-IN-WI - (Serious)
• denver-metro-north-front-range-co-serious · COLORADO · Larimer County · 8-Hour Ozone (2015)Larimer County | 8-Hour Ozone (2008) | * | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) | 8-Hour Ozone (2015) | * | Denver Metro/North Front Range, CO - (Serious)
• greater-connecticut-ct-serious · CONNECTICUT · Litchfield County · 8-Hour Ozone (2015)Litchfield County | 8-Hour Ozone (2008) | | Greater Connecticut, CT - (Serious) | 8-Hour Ozone (2015) | | Greater Connecticut, CT - (Serious)
• detroit-mi-moderate · MICHIGAN · Livingston County · 8-Hour Ozone (2015)Livingston County | 8-Hour Ozone (2015) | | Detroit, MI - (Moderate)
• los-angeles-san-bernardino-counties-west-mojave-desert-ca-severe-15 · CALIFORNIA · Los Angeles County · 8-Hour Ozone (2015)Los Angeles County | Lead (2008) | * | Los Angeles County-South Coast Air Basin, CA | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM-2.5 (2006) | * | L
• los-angeles-south-coast-air-basin-ca-extreme · CALIFORNIA · Los Angeles County · 8-Hour Ozone (2015)Los Angeles County | Lead (2008) | * | Los Angeles County-South Coast Air Basin, CA | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM-2.5 (2006) | * | L
• washington-dc-md-va-moderate · VIRGINIA · Loudoun County · 8-Hour Ozone (2015)Loudoun County | 8-Hour Ozone (2015) | | Washington, DC-MD-VA - (Moderate)
• detroit-mi-moderate · MICHIGAN · Macomb County · 8-Hour Ozone (2015)Macomb County | 8-Hour Ozone (2015) | | Detroit, MI - (Moderate)
• san-joaquin-valley-ca-extreme · CALIFORNIA · Madera County · 8-Hour Ozone (2015)Madera County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serious) |
• st-louis-mo-il-serious · ILLINOIS · Madison County · 8-Hour Ozone (2015)Madison County | 8-Hour Ozone (2015) | | St. Louis, MO-IL - (Serious)
• washington-dc-md-va-moderate · VIRGINIA · Manassas city · 8-Hour Ozone (2015)Manassas city | 8-Hour Ozone (2015) | | Washington, DC-MD-VA - (Moderate)
• washington-dc-md-va-moderate · VIRGINIA · Manassas Park city · 8-Hour Ozone (2015)Manassas Park city | 8-Hour Ozone (2015) | | Washington, DC-MD-VA - (Moderate)
• phoenix-mesa-az-moderate · ARIZONA · Maricopa County · 8-Hour Ozone (2015)Maricopa County | PM-10 (1987) | * | Maricopa and Pinal Counties; Phoenix planning area, AZ - (Serious) | 8-Hour Ozone (2008) | * | Phoenix-Mesa, AZ - (Moderate) | 8-Hour Ozone (20
• san-francisco-bay-area-ca-marginal · CALIFORNIA · Marin County · 8-Hour Ozone (2015)Marin County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | | San Francisco Bay Area, CA - (Marginal) | 8-Hour Ozone (2015) | | San Francisco B
• mariposa-county-ca-moderate · CALIFORNIA · Mariposa County · 8-Hour Ozone (2015)Mariposa County | 8-Hour Ozone (2008) | | Mariposa County, CA - (Moderate) | 8-Hour Ozone (2015) | | Mariposa County, CA - (Moderate)
• chicago-il-in-wi-serious · ILLINOIS · McHenry County · 8-Hour Ozone (2015)McHenry County | 8-Hour Ozone (2015) | | Chicago, IL-IN-WI - (Serious)
• san-joaquin-valley-ca-extreme · CALIFORNIA · Merced County · 8-Hour Ozone (2015)Merced County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serious) |
• philadelphia-atlantic-city-pa-nj-serious · NEW JERSEY · Mercer County · 8-Hour Ozone (2015)Mercer County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal) | 8-Hour Ozone (2015) | | Philadelphia-Atlantic City, PA-NJ - (Serious)
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · CONNECTICUT · Middlesex County · 8-Hour Ozone (2015)Middlesex County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT -
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW JERSEY · Middlesex County · 8-Hour Ozone (2015)Middlesex County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT -
• milwaukee-wi-serious · WISCONSIN · Milwaukee County · 8-Hour Ozone (2015)Milwaukee County | 8-Hour Ozone (2015) | | Milwaukee, WI - (Serious)
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW JERSEY · Monmouth County · 8-Hour Ozone (2015)Monmouth County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT -
• st-louis-mo-il-serious · ILLINOIS · Monroe County · 8-Hour Ozone (2015)Monroe County | 8-Hour Ozone (2015) | | St. Louis, MO-IL - (Serious)
• detroit-mi-moderate · MICHIGAN · Monroe County · 8-Hour Ozone (2015)Monroe County | 8-Hour Ozone (2015) | | Detroit, MI - (Moderate)
• washington-dc-md-va-moderate · MARYLAND · Montgomery County · 8-Hour Ozone (2015)Montgomery County | 8-Hour Ozone (2015) | | Washington, DC-MD-VA - (Moderate)
• philadelphia-atlantic-city-pa-nj-serious · PENNSYLVANIA · Montgomery County · 8-Hour Ozone (2015)Montgomery County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal) | 8-Hour Ozone (2015) | | Philadelphia-Atlantic City, PA-NJ - (Serious)
• houston-galveston-brazoria-tx-serious · TEXAS · Montgomery County · 8-Hour Ozone (2015)Montgomery County | 8-Hour Ozone (2008) | | Houston-Galveston-Brazoria, TX - (Severe 15) | 8-Hour Ozone (2015) | | Houston-Galveston-Brazoria, TX - (Serious)
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW JERSEY · Morris County · 8-Hour Ozone (2015)Morris County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT - (S
• muskegon-county-mi-serious · MICHIGAN · Muskegon County · 8-Hour Ozone (2015)Muskegon County | 8-Hour Ozone (2015) | * | Muskegon County, MI - (Serious)
• san-francisco-bay-area-ca-marginal · CALIFORNIA · Napa County · 8-Hour Ozone (2015)Napa County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | | San Francisco Bay Area, CA - (Marginal) | 8-Hour Ozone (2015) | | San Francisco Ba
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW YORK · Nassau County · 8-Hour Ozone (2015)Nassau County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT - (S
• nevada-county-western-part-ca-serious · CALIFORNIA · Nevada County · 8-Hour Ozone (2015)Nevada County | 8-Hour Ozone (2008) | * | Nevada County (Western part), CA - (Serious) | 8-Hour Ozone (2015) | * | Nevada County (Western part), CA - (Serious)
• new-castle-county-de-serious · DELAWARE · New Castle County · 8-Hour Ozone (2015)New Castle County | 8-Hour Ozone (2008) | | New Castle County, DE - (Marginal) | 8-Hour Ozone (2015) | | New Castle County, DE - (Serious)
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · CONNECTICUT · New Haven County · 8-Hour Ozone (2015)New Haven County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT -
• greater-connecticut-ct-serious · CONNECTICUT · New London County · 8-Hour Ozone (2015)New London County | 8-Hour Ozone (2008) | | Greater Connecticut, CT - (Serious) | 8-Hour Ozone (2015) | | Greater Connecticut, CT - (Serious)
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW YORK · New York County · 8-Hour Ozone (2015)New York County | PM-10 (1987) | | New York County, NY - (Moderate) | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | N
• detroit-mi-moderate · MICHIGAN · Oakland County · 8-Hour Ozone (2015)Oakland County | 8-Hour Ozone (2015) | | Detroit, MI - (Moderate)
• philadelphia-atlantic-city-pa-nj-serious · NEW JERSEY · Ocean County · 8-Hour Ozone (2015)Ocean County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal) | 8-Hour Ozone (2015) | | Philadelphia-Atlantic City, PA-NJ - (Serious)
• louisville-ky-in-moderate · KENTUCKY · Oldham County · 8-Hour Ozone (2015)Oldham County | 8-Hour Ozone (2015) | | Louisville, KY-IN - (Moderate)
• los-angeles-south-coast-air-basin-ca-extreme · CALIFORNIA · Orange County · 8-Hour Ozone (2015)Orange County | PM-2.5 (1997) | | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM-2.5 (2006) | | Los Angeles-South Coast Air Basin, CA - (Serious) | PM-2.5 (2012) | | Los A
• milwaukee-wi-serious · WISCONSIN · Ozaukee County · 8-Hour Ozone (2015)Ozaukee County | 8-Hour Ozone (2015) | | Milwaukee, WI - (Serious)
• dallas-fort-worth-tx-serious · TEXAS · Parker County · 8-Hour Ozone (2015)Parker County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15) | 8-Hour Ozone (2015) | | Dallas-Fort Worth, TX - (Serious)
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW JERSEY · Passaic County · 8-Hour Ozone (2015)Passaic County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT - (
• philadelphia-atlantic-city-pa-nj-serious · PENNSYLVANIA · Philadelphia County · 8-Hour Ozone (2015)Philadelphia County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal) | 8-Hour Ozone (2015) | | Philadelphia-Atlantic City, PA-NJ - (Serious)
• phoenix-mesa-az-moderate · ARIZONA · Pinal County · 8-Hour Ozone (2015)Pinal County | Lead (2008) | * | Hayden, AZ | PM-10 (1987) | * | Hayden, AZ - (Moderate) | PM-10 (1987) | * | Maricopa and Pinal Counties; Phoenix planning area, AZ - (Serious) | P
• sacramento-metro-ca-serious · CALIFORNIA · Placer County · 8-Hour Ozone (2015)Placer County | PM-2.5 (2006) | * | Sacramento, CA - (Moderate) | 8-Hour Ozone (2008) | * | Sacramento Metro, CA - (Severe 15) | 8-Hour Ozone (2015) | * | Sacramento Metro, CA - (S
• chicago-il-in-wi-serious · INDIANA · Porter County · 8-Hour Ozone (2015)Porter County | 8-Hour Ozone (2015) | * | Chicago, IL-IN-WI - (Serious)
• washington-dc-md-va-moderate · MARYLAND · Prince George's County · 8-Hour Ozone (2015)Prince George's County | 8-Hour Ozone (2015) | | Washington, DC-MD-VA - (Moderate)
• washington-dc-md-va-moderate · VIRGINIA · Prince William County · 8-Hour Ozone (2015)Prince William County | 8-Hour Ozone (2015) | | Washington, DC-MD-VA - (Moderate)
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW YORK · Queens County · 8-Hour Ozone (2015)Queens County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT - (S
• milwaukee-wi-serious · WISCONSIN · Racine County · 8-Hour Ozone (2015)Racine County | 8-Hour Ozone (2015) | * | Milwaukee, WI - (Serious)
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW YORK · Richmond County · 8-Hour Ozone (2015)Richmond County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT -
• los-angeles-south-coast-air-basin-ca-extreme · CALIFORNIA · Riverside County · 8-Hour Ozone (2015)Riverside County | PM-10 (1987) | * | Riverside County; Coachella Valley planning area, CA - (Serious) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM
• morongo-band-of-mission-indians-ca-serious · CALIFORNIA · Riverside County · 8-Hour Ozone (2015)Riverside County | PM-10 (1987) | * | Riverside County; Coachella Valley planning area, CA - (Serious) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM
• pechanga-band-of-luiseno-mission-indians-of-the-pechanga-reservation-ca-moderate · CALIFORNIA · Riverside County · 8-Hour Ozone (2015)Riverside County | PM-10 (1987) | * | Riverside County; Coachella Valley planning area, CA - (Serious) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM
• riverside-county-coachella-valley-ca-severe-15 · CALIFORNIA · Riverside County · 8-Hour Ozone (2015)Riverside County | PM-10 (1987) | * | Riverside County; Coachella Valley planning area, CA - (Serious) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW YORK · Rockland County · 8-Hour Ozone (2015)Rockland County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT -
• sacramento-metro-ca-serious · CALIFORNIA · Sacramento County · 8-Hour Ozone (2015)Sacramento County | PM-2.5 (2006) | | Sacramento, CA - (Moderate) | 8-Hour Ozone (2008) | | Sacramento Metro, CA - (Severe 15) | 8-Hour Ozone (2015) | | Sacramento Metro, CA - (Ser
• philadelphia-atlantic-city-pa-nj-serious · NEW JERSEY · Salem County · 8-Hour Ozone (2015)Salem County | 8-Hour Ozone (2008) | | Philadelphia-Atlantic City, PA-NJ - (Marginal) | 8-Hour Ozone (2015) | | Philadelphia-Atlantic City, PA-NJ - (Serious)
• northern-wasatch-front-ut-serious · UTAH · Salt Lake County · 8-Hour Ozone (2015)Salt Lake County | Sulfur Dioxide (1971) | | Salt Lake County, UT | 8-Hour Ozone (2015) | | Northern Wasatch Front, UT - (Serious)
• los-angeles-san-bernardino-counties-west-mojave-desert-ca-severe-15 · CALIFORNIA · San Bernardino County · 8-Hour Ozone (2015)San Bernardino County | PM-10 (1987) | * | San Bernardino County, CA - (Moderate) | PM-10 (1987) | * | Trona, CA - (Moderate) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basi
• los-angeles-south-coast-air-basin-ca-extreme · CALIFORNIA · San Bernardino County · 8-Hour Ozone (2015)San Bernardino County | PM-10 (1987) | * | San Bernardino County, CA - (Moderate) | PM-10 (1987) | * | Trona, CA - (Moderate) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basi
• pechanga-band-of-luiseno-mission-indians-of-the-pechanga-reservation-ca-moderate · CALIFORNIA · San Diego County · 8-Hour Ozone (2015)San Diego County | 8-Hour Ozone (2008) | * | Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA - (Moderate) | 8-Hour Ozone (2008) | * | San Diego County, CA
• san-diego-county-ca-severe-15 · CALIFORNIA · San Diego County · 8-Hour Ozone (2015)San Diego County | 8-Hour Ozone (2008) | * | Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA - (Moderate) | 8-Hour Ozone (2008) | * | San Diego County, CA
• san-francisco-bay-area-ca-marginal · CALIFORNIA · San Francisco County · 8-Hour Ozone (2015)San Francisco County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | | San Francisco Bay Area, CA - (Marginal) | 8-Hour Ozone (2015) | | San Fra
• san-joaquin-valley-ca-extreme · CALIFORNIA · San Joaquin County · 8-Hour Ozone (2015)San Joaquin County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serio
• san-luis-obispo-eastern-part-ca-marginal · CALIFORNIA · San Luis Obispo County · 8-Hour Ozone (2015)San Luis Obispo County | 8-Hour Ozone (2008) | * | San Luis Obispo (Eastern San Luis Obispo), CA - (Marginal) | 8-Hour Ozone (2015) | * | San Luis Obispo (Eastern part), CA - (Marg
• san-francisco-bay-area-ca-marginal · CALIFORNIA · San Mateo County · 8-Hour Ozone (2015)San Mateo County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | | San Francisco Bay Area, CA - (Marginal) | 8-Hour Ozone (2015) | | San Francis
• san-francisco-bay-area-ca-marginal · CALIFORNIA · Santa Clara County · 8-Hour Ozone (2015)Santa Clara County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | | San Francisco Bay Area, CA - (Marginal) | 8-Hour Ozone (2015) | | San Franc
• sheboygan-county-wi-serious · WISCONSIN · Sheboygan County · 8-Hour Ozone (2015)Sheboygan County | 8-Hour Ozone (2015) | * | Sheboygan County, WI - (Serious)
• sacramento-metro-ca-serious · CALIFORNIA · Solano County · 8-Hour Ozone (2015)Solano County | PM-2.5 (2006) | * | Sacramento, CA - (Moderate) | PM-2.5 (2006) | * | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | * | Sacramento Metro, CA - (Se
• san-francisco-bay-area-ca-marginal · CALIFORNIA · Solano County · 8-Hour Ozone (2015)Solano County | PM-2.5 (2006) | * | Sacramento, CA - (Moderate) | PM-2.5 (2006) | * | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | * | Sacramento Metro, CA - (Se
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW JERSEY · Somerset County · 8-Hour Ozone (2015)Somerset County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT -
• san-francisco-bay-area-ca-marginal · CALIFORNIA · Sonoma County · 8-Hour Ozone (2015)Sonoma County | PM-2.5 (2006) | * | San Francisco Bay Area, CA - (Moderate) | 8-Hour Ozone (2008) | * | San Francisco Bay Area, CA - (Marginal) | 8-Hour Ozone (2015) | * | San Fran
• st-louis-mo-il-serious · MISSOURI · St. Charles County · 8-Hour Ozone (2015)St. Charles County | 8-Hour Ozone (2015) | | St. Louis, MO-IL - (Serious)
• st-louis-mo-il-serious · ILLINOIS · St. Clair County · 8-Hour Ozone (2015)St. Clair County | 8-Hour Ozone (2015) | | St. Louis, MO-IL - (Serious)
• detroit-mi-moderate · MICHIGAN · St. Clair County · 8-Hour Ozone (2015)St. Clair County | 8-Hour Ozone (2015) | | Detroit, MI - (Moderate)
• st-louis-mo-il-serious · MISSOURI · St. Louis city · 8-Hour Ozone (2015)St. Louis city | 8-Hour Ozone (2015) | | St. Louis, MO-IL - (Serious)
• st-louis-mo-il-serious · MISSOURI · St. Louis County · 8-Hour Ozone (2015)St. Louis County | 8-Hour Ozone (2015) | | St. Louis, MO-IL - (Serious)
• san-joaquin-valley-ca-extreme · CALIFORNIA · Stanislaus County · 8-Hour Ozone (2015)Stanislaus County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Seriou
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW YORK · Suffolk County · 8-Hour Ozone (2015)Suffolk County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT - (
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW JERSEY · Sussex County · 8-Hour Ozone (2015)Sussex County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT - (S
• sacramento-metro-ca-serious · CALIFORNIA · Sutter County · 8-Hour Ozone (2015)Sutter County | 8-Hour Ozone (2008) | * | Sacramento Metro, CA - (Severe 15) | 8-Hour Ozone (2015) | * | Sacramento Metro, CA - (Serious)
• sutter-buttes-ca-marginal · CALIFORNIA · Sutter County · 8-Hour Ozone (2015)Sutter County | 8-Hour Ozone (2008) | * | Sacramento Metro, CA - (Severe 15) | 8-Hour Ozone (2015) | * | Sacramento Metro, CA - (Serious) | 8-Hour Ozone (2015) | * | Sutter Buttes,
• dallas-fort-worth-tx-serious · TEXAS · Tarrant County · 8-Hour Ozone (2015)Tarrant County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15) | 8-Hour Ozone (2015) | | Dallas-Fort Worth, TX - (Serious)
• tuscan-buttes-ca-marginal-rural-transport · CALIFORNIA · Tehama County · 8-Hour Ozone (2015)Tehama County | 8-Hour Ozone (2008) | * | Tuscan Buttes, CA - (Marginal) | 8-Hour Ozone (2015) | * | Tuscan Buttes, CA - (Marginal (Rural Transport))
• greater-connecticut-ct-serious · CONNECTICUT · Tolland County · 8-Hour Ozone (2015)Tolland County | 8-Hour Ozone (2008) | | Greater Connecticut, CT - (Serious) | 8-Hour Ozone (2015) | | Greater Connecticut, CT - (Serious)
• northern-wasatch-front-ut-serious · UTAH · Tooele County · 8-Hour Ozone (2015)Tooele County | Sulfur Dioxide (1971) | * | Tooele County, UT | 8-Hour Ozone (2015) | * | Northern Wasatch Front, UT - (Serious)
• san-joaquin-valley-ca-extreme · CALIFORNIA · Tulare County · 8-Hour Ozone (2015)Tulare County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serious) |
• tuolumne-county-ca-marginal · CALIFORNIA · Tuolumne County · 8-Hour Ozone (2015)Tuolumne County | 8-Hour Ozone (2015) | | Tuolumne County, CA - (Marginal)
• uinta-basin-ut-marginal · UTAH · Uintah County · 8-Hour Ozone (2015)Uintah County | 8-Hour Ozone (2015) | * | Uinta Basin, UT - (Marginal)
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW JERSEY · Union County · 8-Hour Ozone (2015)Union County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT - (Se
• southern-wasatch-front-ut-marginal · UTAH · Utah County · 8-Hour Ozone (2015)Utah County | 8-Hour Ozone (2015) | * | Southern Wasatch Front, UT - (Marginal)
• ventura-county-ca-serious · CALIFORNIA · Ventura County · 8-Hour Ozone (2015)Ventura County | 8-Hour Ozone (2008) | * | Ventura County, CA - (Serious) | 8-Hour Ozone (2015) | * | Ventura County, CA - (Serious)
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW JERSEY · Warren County · 8-Hour Ozone (2015)Warren County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT - (S
• milwaukee-wi-serious · WISCONSIN · Washington County · 8-Hour Ozone (2015)Washington County | 8-Hour Ozone (2015) | * | Milwaukee, WI - (Serious)
• detroit-mi-moderate · MICHIGAN · Washtenaw County · 8-Hour Ozone (2015)Washtenaw County | 8-Hour Ozone (2015) | | Detroit, MI - (Moderate)
• milwaukee-wi-serious · WISCONSIN · Waukesha County · 8-Hour Ozone (2015)Waukesha County | 8-Hour Ozone (2015) | * | Milwaukee, WI - (Serious)
• detroit-mi-moderate · MICHIGAN · Wayne County · 8-Hour Ozone (2015)Wayne County | 8-Hour Ozone (2015) | | Detroit, MI - (Moderate)
• northern-wasatch-front-ut-serious · UTAH · Weber County · 8-Hour Ozone (2015)Weber County | 8-Hour Ozone (2015) | * | Northern Wasatch Front, UT - (Serious)
• denver-metro-north-front-range-co-serious · COLORADO · Weld County · 8-Hour Ozone (2015)Weld County | 8-Hour Ozone (2008) | * | Denver-Boulder-Greeley-Ft. Collins-Loveland, CO - (Severe 15) | 8-Hour Ozone (2015) | | Denver Metro/North Front Range, CO - (Serious)
• new-york-northern-new-jersey-long-island-ny-nj-ct-serious · NEW YORK · Westchester County · 8-Hour Ozone (2015)Westchester County | 8-Hour Ozone (2008) | | New York-N. New Jersey-Long Island, NY-NJ-CT - (Severe 15) | 8-Hour Ozone (2015) | | New York-Northern New Jersey-Long Island, NY-NJ-CT
• chicago-il-in-wi-serious · ILLINOIS · Will County · 8-Hour Ozone (2015)Will County | 8-Hour Ozone (2015) | | Chicago, IL-IN-WI - (Serious)
• greater-connecticut-ct-serious · CONNECTICUT · Windham County · 8-Hour Ozone (2015)Windham County | 8-Hour Ozone (2008) | | Greater Connecticut, CT - (Serious) | 8-Hour Ozone (2015) | | Greater Connecticut, CT - (Serious)
• dallas-fort-worth-tx-serious · TEXAS · Wise County · 8-Hour Ozone (2015)Wise County | 8-Hour Ozone (2008) | | Dallas-Fort Worth, TX - (Severe 15) | 8-Hour Ozone (2015) | | Dallas-Fort Worth, TX - (Serious)
• sacramento-metro-ca-serious · CALIFORNIA · Yolo County · 8-Hour Ozone (2015)Yolo County | PM-2.5 (2006) | * | Sacramento, CA - (Moderate) | 8-Hour Ozone (2008) | | Sacramento Metro, CA - (Severe 15) | 8-Hour Ozone (2015) | | Sacramento Metro, CA - (Serious
• jefferson-county-part-herculaneum-mo · MISSOURI · Jefferson County · Lead (1978)Jefferson County | Lead (1978) | * | Jefferson County (part); Herculaneum, MO
• arecibo-pr · PUERTO RICO · Arecibo Municipio · Lead (2008)Arecibo Municipio | Lead (2008) | * | Arecibo, PR
• lower-beaver-valley-pa · PENNSYLVANIA · Beaver County · Lead (2008)Beaver County | Lead (2008) | * | Lower Beaver Valley, PA
• lyons-pa · PENNSYLVANIA · Berks County · Lead (2008)Berks County | Lead (2008) | * | Lyons, PA
• north-reading-pa · PENNSYLVANIA · Berks County · Lead (2008)Berks County | Lead (2008) | * | Lyons, PA | Lead (2008) | * | North Reading, PA
• eagan-mn · MINNESOTA · Dakota County · Lead (2008)Dakota County | Lead (2008) | * | Eagan, MN
• iron-dent-and-reynolds-counties-mo · MISSOURI · Dent County · Lead (2008)Dent County | Lead (2008) | * | Iron, Dent, and Reynolds Counties, MO
• hayden-az · ARIZONA · Gila County · Lead (2008)Gila County | Lead (2008) | * | Hayden, AZ
• iron-dent-and-reynolds-counties-mo · MISSOURI · Iron County · Lead (2008)Iron County | Lead (2008) | * | Iron, Dent, and Reynolds Counties, MO
• jefferson-county-mo · MISSOURI · Jefferson County · Lead (2008)Jefferson County | Lead (1978) | * | Jefferson County (part); Herculaneum, MO | Lead (2008) | * | Jefferson County, MO
• los-angeles-county-south-coast-air-basin-ca · CALIFORNIA · Los Angeles County · Lead (2008)Los Angeles County | Lead (2008) | * | Los Angeles County-South Coast Air Basin, CA
• hayden-az · ARIZONA · Pinal County · Lead (2008)Pinal County | Lead (2008) | * | Hayden, AZ
• iron-dent-and-reynolds-counties-mo · MISSOURI · Reynolds County · Lead (2008)Reynolds County | Lead (2008) | * | Iron, Dent, and Reynolds Counties, MO
• san-joaquin-valley-ca-serious · CALIFORNIA · Fresno County · PM-2.5 (1997)Fresno County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious)
• san-joaquin-valley-ca-serious · CALIFORNIA · Kern County · PM-2.5 (1997)Kern County | PM-10 (1987) | * | East Kern County, CA - (Serious) | PM-2.5 (1997) | * | San Joaquin Valley, CA - (Serious)
• san-joaquin-valley-ca-serious · CALIFORNIA · Kings County · PM-2.5 (1997)Kings County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious)
• los-angeles-south-coast-air-basin-ca-moderate · CALIFORNIA · Los Angeles County · PM-2.5 (1997)Los Angeles County | Lead (2008) | * | Los Angeles County-South Coast Air Basin, CA | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate)
• san-joaquin-valley-ca-serious · CALIFORNIA · Madera County · PM-2.5 (1997)Madera County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious)
• san-joaquin-valley-ca-serious · CALIFORNIA · Merced County · PM-2.5 (1997)Merced County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious)
• los-angeles-south-coast-air-basin-ca-moderate · CALIFORNIA · Orange County · PM-2.5 (1997)Orange County | PM-2.5 (1997) | | Los Angeles-South Coast Air Basin, CA - (Moderate)
• los-angeles-south-coast-air-basin-ca-moderate · CALIFORNIA · Riverside County · PM-2.5 (1997)Riverside County | PM-10 (1987) | * | Riverside County; Coachella Valley planning area, CA - (Serious) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate)
• los-angeles-south-coast-air-basin-ca-moderate · CALIFORNIA · San Bernardino County · PM-2.5 (1997)San Bernardino County | PM-10 (1987) | * | San Bernardino County, CA - (Moderate) | PM-10 (1987) | * | Trona, CA - (Moderate) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basi
• san-joaquin-valley-ca-serious · CALIFORNIA · San Joaquin County · PM-2.5 (1997)San Joaquin County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious)
• san-joaquin-valley-ca-serious · CALIFORNIA · Stanislaus County · PM-2.5 (1997)Stanislaus County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious)
• san-joaquin-valley-ca-serious · CALIFORNIA · Tulare County · PM-2.5 (1997)Tulare County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious)
• san-francisco-bay-area-ca-moderate · CALIFORNIA · Alameda County · PM-2.5 (2006)Alameda County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate)
• san-francisco-bay-area-ca-moderate · CALIFORNIA · Contra Costa County · PM-2.5 (2006)Contra Costa County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate)
• sacramento-ca-moderate · CALIFORNIA · El Dorado County · PM-2.5 (2006)El Dorado County | PM-2.5 (2006) | * | Sacramento, CA - (Moderate)
• fairbanks-ak-serious · ALASKA · Fairbanks North Star Borough · PM-2.5 (2006)Fairbanks North Star Borough | PM-2.5 (2006) | * | Fairbanks, AK - (Serious)
• san-joaquin-valley-ca-serious · CALIFORNIA · Fresno County · PM-2.5 (2006)Fresno County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious)
• imperial-county-ca-moderate · CALIFORNIA · Imperial County · PM-2.5 (2006)Imperial County | PM-2.5 (2006) | * | Imperial County, CA - (Moderate)
• san-joaquin-valley-ca-serious · CALIFORNIA · Kern County · PM-2.5 (2006)Kern County | PM-10 (1987) | * | East Kern County, CA - (Serious) | PM-2.5 (1997) | * | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | * | San Joaquin Valley, CA - (Serious)
• san-joaquin-valley-ca-serious · CALIFORNIA · Kings County · PM-2.5 (2006)Kings County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious)
• klamath-falls-or-moderate · OREGON · Klamath County · PM-2.5 (2006)Klamath County | PM-2.5 (2006) | * | Klamath Falls, OR - (Moderate)
• los-angeles-south-coast-air-basin-ca-serious · CALIFORNIA · Los Angeles County · PM-2.5 (2006)Los Angeles County | Lead (2008) | * | Los Angeles County-South Coast Air Basin, CA | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM-2.5 (2006) | * | L
• san-joaquin-valley-ca-serious · CALIFORNIA · Madera County · PM-2.5 (2006)Madera County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious)
• san-francisco-bay-area-ca-moderate · CALIFORNIA · Marin County · PM-2.5 (2006)Marin County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate)
• san-joaquin-valley-ca-serious · CALIFORNIA · Merced County · PM-2.5 (2006)Merced County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious)
• san-francisco-bay-area-ca-moderate · CALIFORNIA · Napa County · PM-2.5 (2006)Napa County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate)
• los-angeles-south-coast-air-basin-ca-serious · CALIFORNIA · Orange County · PM-2.5 (2006)Orange County | PM-2.5 (1997) | | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM-2.5 (2006) | | Los Angeles-South Coast Air Basin, CA - (Serious)
• west-central-pinal-az-moderate · ARIZONA · Pinal County · PM-2.5 (2006)Pinal County | Lead (2008) | * | Hayden, AZ | PM-10 (1987) | * | Hayden, AZ - (Moderate) | PM-10 (1987) | * | Maricopa and Pinal Counties; Phoenix planning area, AZ - (Serious) | P
• sacramento-ca-moderate · CALIFORNIA · Placer County · PM-2.5 (2006)Placer County | PM-2.5 (2006) | * | Sacramento, CA - (Moderate)
• los-angeles-south-coast-air-basin-ca-serious · CALIFORNIA · Riverside County · PM-2.5 (2006)Riverside County | PM-10 (1987) | * | Riverside County; Coachella Valley planning area, CA - (Serious) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM
• sacramento-ca-moderate · CALIFORNIA · Sacramento County · PM-2.5 (2006)Sacramento County | PM-2.5 (2006) | | Sacramento, CA - (Moderate)
• los-angeles-south-coast-air-basin-ca-serious · CALIFORNIA · San Bernardino County · PM-2.5 (2006)San Bernardino County | PM-10 (1987) | * | San Bernardino County, CA - (Moderate) | PM-10 (1987) | * | Trona, CA - (Moderate) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basi
• san-francisco-bay-area-ca-moderate · CALIFORNIA · San Francisco County · PM-2.5 (2006)San Francisco County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate)
• san-joaquin-valley-ca-serious · CALIFORNIA · San Joaquin County · PM-2.5 (2006)San Joaquin County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious)
• san-francisco-bay-area-ca-moderate · CALIFORNIA · San Mateo County · PM-2.5 (2006)San Mateo County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate)
• san-francisco-bay-area-ca-moderate · CALIFORNIA · Santa Clara County · PM-2.5 (2006)Santa Clara County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate)
• sacramento-ca-moderate · CALIFORNIA · Solano County · PM-2.5 (2006)Solano County | PM-2.5 (2006) | * | Sacramento, CA - (Moderate)
• san-francisco-bay-area-ca-moderate · CALIFORNIA · Solano County · PM-2.5 (2006)Solano County | PM-2.5 (2006) | * | Sacramento, CA - (Moderate) | PM-2.5 (2006) | * | San Francisco Bay Area, CA - (Moderate)
• san-francisco-bay-area-ca-moderate · CALIFORNIA · Sonoma County · PM-2.5 (2006)Sonoma County | PM-2.5 (2006) | * | San Francisco Bay Area, CA - (Moderate)
• san-joaquin-valley-ca-serious · CALIFORNIA · Stanislaus County · PM-2.5 (2006)Stanislaus County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious)
• san-joaquin-valley-ca-serious · CALIFORNIA · Tulare County · PM-2.5 (2006)Tulare County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious)
• sacramento-ca-moderate · CALIFORNIA · Yolo County · PM-2.5 (2006)Yolo County | PM-2.5 (2006) | * | Sacramento, CA - (Moderate)
• san-joaquin-valley-ca-serious · CALIFORNIA · Fresno County · PM-2.5 (2012)Fresno County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serious)
• imperial-county-ca-moderate · CALIFORNIA · Imperial County · PM-2.5 (2012)Imperial County | PM-2.5 (2006) | * | Imperial County, CA - (Moderate) | PM-2.5 (2012) | * | Imperial County, CA - (Moderate)
• san-joaquin-valley-ca-serious · CALIFORNIA · Kern County · PM-2.5 (2012)Kern County | PM-10 (1987) | * | East Kern County, CA - (Serious) | PM-2.5 (1997) | * | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | * | San Joaquin Valley, CA - (Serious)
• san-joaquin-valley-ca-serious · CALIFORNIA · Kings County · PM-2.5 (2012)Kings County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serious)
• los-angeles-south-coast-air-basin-ca-serious · CALIFORNIA · Los Angeles County · PM-2.5 (2012)Los Angeles County | Lead (2008) | * | Los Angeles County-South Coast Air Basin, CA | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM-2.5 (2006) | * | L
• san-joaquin-valley-ca-serious · CALIFORNIA · Madera County · PM-2.5 (2012)Madera County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serious)
• san-joaquin-valley-ca-serious · CALIFORNIA · Merced County · PM-2.5 (2012)Merced County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serious)
• los-angeles-south-coast-air-basin-ca-serious · CALIFORNIA · Orange County · PM-2.5 (2012)Orange County | PM-2.5 (1997) | | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM-2.5 (2006) | | Los Angeles-South Coast Air Basin, CA - (Serious) | PM-2.5 (2012) | | Los A
• plumas-county-ca-serious · CALIFORNIA · Plumas County · PM-2.5 (2012)Plumas County | PM-2.5 (2012) | * | Plumas County, CA - (Serious)
• los-angeles-south-coast-air-basin-ca-serious · CALIFORNIA · Riverside County · PM-2.5 (2012)Riverside County | PM-10 (1987) | * | Riverside County; Coachella Valley planning area, CA - (Serious) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basin, CA - (Moderate) | PM
• los-angeles-south-coast-air-basin-ca-serious · CALIFORNIA · San Bernardino County · PM-2.5 (2012)San Bernardino County | PM-10 (1987) | * | San Bernardino County, CA - (Moderate) | PM-10 (1987) | * | Trona, CA - (Moderate) | PM-2.5 (1997) | * | Los Angeles-South Coast Air Basi
• san-joaquin-valley-ca-serious · CALIFORNIA · San Joaquin County · PM-2.5 (2012)San Joaquin County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serio
• san-joaquin-valley-ca-serious · CALIFORNIA · Stanislaus County · PM-2.5 (2012)Stanislaus County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Seriou
• san-joaquin-valley-ca-serious · CALIFORNIA · Tulare County · PM-2.5 (2012)Tulare County | PM-2.5 (1997) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2006) | | San Joaquin Valley, CA - (Serious) | PM-2.5 (2012) | | San Joaquin Valley, CA - (Serious)
• power-bannock-counties-fort-hall-indian-reservation-id-moderate · IDAHO · Bannock County · PM-10 (1987)Bannock County | PM-10 (1987) | * | Power-Bannock Counties; Fort Hall Indian Reservation, ID - (Moderate)
• cochise-county-paul-spur-douglas-planning-area-az-moderate · ARIZONA · Cochise County · PM-10 (1987)Cochise County | PM-10 (1987) | * | Cochise County; Paul Spur/Douglas planning area, AZ - (Moderate)

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