List of California air districts
In 1947, the State of California enacted the Air Pollution Control Act that authorized the creation of Air Pollution Control Districts or Air Quality Management Districts in every county of the State. California has 22 APCDs, 12 AQMDs and 1 Air Resources District for a total of 35 districts:
- Amador County APCD
- Antelope Valley AQMD
- Bay Area AQMD
- Butte County AQMD
- Calaveras County APCD
- Colusa County APCD
- Eastern Kern APCD
- El Dorado County AQMD
- Feather River AQMD
- Glenn County APCD
- Great Basin Unified APCD
- Imperial County APCD
- Lake County AQMD
- Lassen County APCD
- Mariposa County APCD
- Mendocino County AQMD
- Modoc County APCD
- Mojave Desert AQMD
- Monterey Bay Air Resources District
- North Coast Unified AQMD
- Northern Sierra AQMD
- Northern Sonoma County APCD
- Placer County APCD
- Sacramento Metropolitan AQMD
- San Diego County APCD
- San Joaquin Valley APCD
- San Luis Obispo County APCD
- Santa Barbara County APCD
- Shasta County AQMD
- Siskiyou County APCD
- South Coast AQMD
- Tehama County APCD
- Tuolumne County APCD
- Ventura County APCD
- Yolo-Solano AQMD
History
The California Air Pollution Control District Act of 1947 allowed 1 or more counties to form air pollution districts. The California Bay Area Pollution Control Act of 1955 created the Bay Area Air Pollution Control District. The California Mulford-Carrell Air Resources Act of 1967 resulted in the creation of 11 air basins.
