Nonattainment Area Plans
- California State Implementation Plans
- Nonattainment Area Plans
- Butte County Air Quality Plans
- Eastern Kern Air Quality Plans
- Great Basin Unified APCD Air Quality Plans
- Imperial County Air Quality Plans
- Mariposa County APCD Air Quality Plans
- Northern Sierra AQMD Air Quality Plans
- Sacramento Region Air Quality Plans
- San Diego County Air Quality Plans
- San Francisco Bay Area Air Quality Plans
- San Joaquin Valley Air Quality Plans
- Santa Barbara County Air Quality Plans
- South Coast Air Quality Plans
- Ventura County Air Quality Plans
- Western Mojave Desert Air Quality Plans
- Statewide Efforts
- Nonattainment Area Plans
Contact
Areas of the State that are designated as Nonattainment for one or more National Ambient Air Quality Standards are required under the federal Clean Air Act to develop plans meeting specific requirements depending on the severity of the pollution problem. Attainment plans and and corresponding documents are available on CARB's website for the following areas:
- Butte County
- Coachella Valley
- Eastern Kern County
- Great Basin (includes Owens Valley, Coso Junction, Mono Basin, and Mammoth Lakes nonattainment areas)
- Imperial County
- Mariposa County
- Northern Sierra
- Sacramento Region (El Dorado AQMD, Feather River AQMD, Placer County APCD, Sacramento Metropolitan AQMD, and Yolo-Solano AQMD)
- San Diego County
- San Francisco Bay Area
- San Joaquin Valley
- Santa Barbara
- South Coast
- Ventura County
- Western Mojave Desert (Antelope Valley AQMD and Mojave Desert AQMD)
Certain areas do not have plans available electronically. For information on plans for other areas, contact CARB staff.
If you do not know which of California's 35 local air districts applies to your situation, please go here.