Butte County, CALIFORNIA — 8-Hour Ozone (2008) nonattainment — Chico (Butte County), CA - (Marginal)
What is the pollutant / naaqs for Butte County, CALIFORNIA — 8-Hour Ozone (2008) nonattainment — Chico (Butte County), CA - (Marginal)?
For Butte County, CALIFORNIA, pollutant / naaqs is 8-Hour Ozone (2008); nonattainment area name is Chico (Butte County), CA - (Marginal); data current as of is September 30, 2026, verified against its source on 2026-10-05.
Butte County | 8-Hour Ozone (2008) | | Chico (Butte County), CA - (Marginal)
— www3.epa.gov, retrieved 2026-10-05
- Row ID
- chico-butte-county-ca-marginal our reading
- State
- CALIFORNIA our reading
- County or area
- Butte County verified
- Pollutant / NAAQS
- 8-Hour Ozone (2008) verified
- Nonattainment area name
- Chico (Butte County), CA - (Marginal) verified
- Data current as of
- September 30, 2026
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
Source
- www3.epa.govhttps://www3.epa.gov/airquality/greenbook/ancl.html