California Local Air District Directory
| Amador County – APCD | Website | |
| Antelope Valley – AQMD | Website | |
| Bay Area – AQMD | Website | |
| Butte County – AQMD | Website | |
| Calaveras County – APCD | Website | |
| Colusa County – APCD | Website | |
| Eastern Kern – APCD | Website | |
| El Dorado County – AQMD | Website | |
| Feather River – AQMD | Website | |
| Glenn County – APCD | Website | |
| Great Basin Unified – APCD | Website | |
| Imperial County – APCD | Website | |
| Lake County – AQMD | Website | |
| Lassen County – APCD | Website | |
| Mariposa County – APCD | Website | |
| Mendocino County – AQMD | Website | |
| Modoc County – APCD | Website | |
| Mohave Desert – AQMD | Website | |
| Monterey Bay Unified – APCD | Website | |
| North Coast Unified – AQMD | Website | |
| Northern Sierra – AQMD | Website | |
| Northern Sonoma County – APCD | Website | |
| Placer County – APCD | Website | |
| Sacramento Metro – AQMD | Website | |
| San Diego County – APCD | Website | |
| San Joaquin Valley – APCD | Website | |
| San Luis Obispo County – APCD | Website | |
| Santa Barbara County – APCD | Website | |
| Shasta County – AQMD | Website | |
| Siskiyou County – APCD | Website | |
| South Coast – AQMD | Website | |
| Tehama County – APCD | Website | |
| Tuolumne County – APCD | Website | |
| Ventura County – APCD | Website | |
| Yolo-Solano – AQMD | Website |
