| Amador County APCDIncludes all of Amador County
 | (209) 257-0112Air Pollution Complaints | Public Notices
 | 
| Antelope Valley AQMDIncludes northeast portion of Los Angeles County
 | (661) 723-8070Air Pollution Complaints | Public Notices
 | 
| Bay Area AQMDIncludes Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, and Santa Clara counties, and the western portion of Solano and southern portion of Sonoma counties
 | (415) 749-5000Air Pollution Complaints | Public Notices
 | 
| Butte County AQMDIncludes all of Butte County
 | (530) 332-9400Air Pollution Complaints | Public Notices
 | 
| Calaveras County APCDIncludes all of Calaveras County
 | (209) 754-6399Public Notices
 | 
| Colusa County APCDIncludes all of Colusa County
 | (530) 458-0590Air Pollution Complaints | Public Notices
 | 
| Eastern Kern APCDIncludes eastern portion of Kern County
 | (661) 862-5250Air Pollution Complaints | Public Notices
 | 
| El Dorado County AQMDIncludes all of El Dorado County
 | (530) 621-7501Air Pollution Complaints | Public Notices
 | 
| Feather River AQMDIncludes all of Sutter and Yuba counties
 | (530) 634-7659Air Pollution Complaints | Public Notices
 | 
| Glenn County APCDIncludes all of Glenn County
 | (530) 934-6500Air Pollution Complaint | Public Notices
 | 
| Great Basin Unified APCDIncludes all of Alpine, Inyo, and Mono counties
 | (760) 872-8211Air Pollution Complaints | Public Notices
 | 
| Imperial County APCDIncludes all of Imperial County
 | (442) 265-1800Air Pollution Complaints | Public Notices
 | 
| Lake County AQMDIncludes all of Lake County
 | (707) 263-7000Air Pollution Complaints | Public Notices
 | 
| Lassen County APCDIncludes all of Lassen County
 | (530) 252-4247Air Pollution Complaints | Public Notices
 | 
| Mariposa County APCDIncludes all of Mariposa County
 | (209) 966-2220Air Pollution Complaints | Public Notices
 | 
| Mendocino County AQMDIncludes all of Mendocino County
 | (707) 463-4354Air Pollution Complaints | Public Notices
 | 
| Modoc County APCDIncludes all of Modoc County
 | (530) 233-6401 Air Pollution Complaints | 
| Mojave Desert AQMDIncludes the northern portion of San Bernardino County, and the eastern portion of Riverside County
 | (760) 245-1661Air Pollution Complaints | Public Notices
 | 
| Monterey Bay Air Resources DistrictIncludes all of Monterey, San Benito, and Santa Cruz counties
 | (831) 647-9411Air Pollution Complaints | Public Notices
 | 
| North Coast Unified AQMDIncludes all of Del Norte, Humboldt, and Trinity counties
 | (707) 443-3093Air Pollution Complaints | Public Notices
 | 
| Northern Sierra AQMDIncludes all of Nevada, Plumas, and Sierra counties
 | (530) 274-9360Air Pollution Complaints | Public Notices
 | 
| Northern Sonoma County APCDIncludes the northern portion of Sonoma County
 | (707) 433-5911Air Pollution Complaints
 | 
| Placer County APCDIncludes all of Placer County
 | (530) 745-2330Air Pollution Complaints
 | 
| Sacramento Metro AQMDIncludes all of Sacramento County
 | (279) 207-1122Air Pollution Complaints | Public Notices
 | 
| San Diego County APCDIncludes all of San Diego County
 | (858) 586-2600Air Pollution Complaints
 | 
| San Joaquin Valley APCDIncludes all of Fresno, Kings, Madera, Merced, San Joaquin, Stanislaus, and Tulare counties, and portions of Kern County
 | (559) 230-6000Air Pollution Complaints | Public Notices
 | 
| San Luis Obispo County APCDIncludes all of San Luis Obispo County
 | (805) 781-5912Air Pollution Complaints | Public Notices
 | 
| Santa Barbara County APCDIncludes all of Santa Barbara County
 |  (805) 979-8050Air Pollution Complaints | Public Notices
 | 
| Shasta County AQMDIncludes all of Shasta County
 | (530) 225-5674Air Pollution Complaints | Public Notices
 | 
| Siskiyou County APCDIncludes all of Siskiyou County
 | (530) 841-4025Air Pollution Complaints | Public Notices
 | 
| South Coast AQMDIncludes Los Angeles County (except for areas covered by the Antelope Valley AQMD), Orange County, and the western portion of San Bernardino and Riverside counties
 | (909) 396-2000Air Pollution Complaints | Public Notices
 | 
| Tehama County APCDIncludes all of Tehama County
 | (530) 527-3717Air Pollution Complaints | Public Notices
 | 
| Tuolumne County APCDIncludes all of Tuolumne County
 | (209) 533-5693Air Pollution Complaints
 | 
| Ventura County APCDIncludes all of Ventura County
 | (805) 303-4005Air Pollution Complaints | Public Notices
 | 
| Yolo-Solano AQMDIncludes all of Yolo County and the eastern portion of Solano County
 | (530) 757-3650Air Pollution Complaints | Public Notices
 |