riverside-county-coachella-valley-ca-severe-15 · CALIFORNIA · Riverside County · 8-Hour Ozone (2015)

What is the pollutant / naaqs for riverside-county-coachella-valley-ca-severe-15 · CALIFORNIA · Riverside County · 8-Hour Ozone (2015)?

For riverside-county-coachella-valley-ca-severe-15 · CALIFORNIA · Riverside County · 8-Hour Ozone (2015), pollutant / naaqs is 8-Hour Ozone (2015); nonattainment area name is Riverside County (Coachella Valley), CA - (Severe 15); partial county is yes; county or area is Riverside County; state is CALIFORNIA; data current as of is August 31, 2026, recorded from its source on 2026-08-31.

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-2.5 (2006) | * | Los Angeles-South Coast Air Basin, CA - (Serious) | PM-2.5 (2012) | * | Los Angeles-South Coast Air Basin, CA - (Serious) | 8-Hour Ozone (2008) | * | Los Angeles-South Coast Air Basin, CA - (Extreme) | 8-Hour Ozone (2008) | * | Morongo Band of Mission Indians, CA - (Severe 15) | 8-Hour Ozone (2008) | * | Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA - (Moderate) | 8-Hour Ozone (2008) | * | Riverside County (Coachella Valley), CA - (Extreme) | 8-Hour Ozone (2015) | * | Los Angeles-South Coast Air Basin, CA - (Extreme) | 8-Hour Ozone (2015) | * | Morongo Band of Mission Indians, CA - (Serious) | 8-Hour Ozone (2015) | * | Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA - (Moderate) | 8-Hour Ozone (2015) | * | Riverside County (Coachella Valley), CA - (Severe 15)

— www3.epa.gov, retrieved 2026-08-31