There are 35 local air quality agencies in California. They are listed below. Click on an air district to find the mailing address, telephone and fax number, name of the Air Pollution Control Officer and a map showing the air district. E-mail addresses and web page addresses are provided where applicable.
For a map of all the Air Districts, click here.
| District | Address | City | Zip Code | Telephone | Fax | APCO | |
| Amador County APCD | 810 Court Street | Jackson | 95642 | (209) 257-0112 | (209) 251-0116 | Herminia Perry | hperry@amadorgov.org |
| Antelope Valley AQMD | 43301 Division Street, Suite 206 | Lancaster | 93535 | (661) 723-8070 | (661) 723-3450 | Bret Banks | bbanks@avaqmd.ca.gov |
| Bay Area AQMD | 375 Beale Street, Suite 600 | San Francisco | 94105 | (415) 749-5000 | (415) 928-8560 | Jack P. Broadbent | jbroadbent@baaqmd.gov |
| Butte County AQMD | 629 Entler Avenue, Suite 15 | Chio | 95928 | (530) 332-9400 | (530) 332-9416 | Steve Ertle | sertle@bcaqmd.org |
| Calaveras County APCD | 891 Mountain Ranch Road | San Andreas | 95249 | (209) 754-6744 | (209) 754-6722 | Lisa Medina | lmedina@co.calaveras.ca.us |
| Colusa County APCD | 100 Sunrise Boulevard #F | Colusa | 95932 | (530) 458-0580 | (530) 458-5000 | Ana Allen | mallen@countyofcolusa.ca |
| Eastern Kern APCD | 2700 M Street, Suite 302 | Bakersfield | 93301 | (661) 862-8642 | (661) 862-5251 | Glen Stephens | glens@co.kern.ca.us |
| El Dorado County AQMD | 330 Fair Lane | Placerville | 95667 | (530) 621-7501 | (530) 279-2774 | Dave Johnston | dave.johnston@edcgov.us |
| Feather River AQMD | 541 Washington Ave | Yuba City | 95991 | (530) 634-7659 | (530) 634-7660 | Christopher D. Brown | apco@fraqmd.org |
| Glenn County APCD | P.O. Box 351 (720 N. Colusa Street) | Willos | 95988 | (530) 934-6500 | (530) 934-6503 | Marcie Skelton | mskelton@countyofglenn.net |
| Great Basin Unified APCD | 157 Short Street | Bishop | 93514 | (760) 872-8211 | (760) 872-6109 | Phill Kiddoo | pkiddoo@gbuapcd.org |
| Imperial County APCD | 150 South 9th Street | El Centro | 92243 | (442) 265-1800 | (442) 265-1799 | Matt Dessert | mattdessert@co.imperial.ca.us |
| Lake County AQMD | 2617 South Main Street | Lakeport | 95453 | (707) 263-7000 | (707) 263-0421 | Doug Gearhart | dougg@lcaqmd.net |
| Lassen County APCD | 720 South Street | Susanville | 96130 | (530) 257-1045 | (530) 257-1057 | Erik Edholm | eedholm@cityofsusanville.org |
| Mariposa County APCD | P.O. Box 5 (5101 Jones Street) | Mariposa | 95338 | (209) 966-2220 | (209) 742-5024 | Eric Sergienko, MD, MPH | esergienko@mariposacounty.org |
| Mendocino County AQMD | 306 E. Gobbi Street | Ukiah | 95482 | (707) 463-4354 | (707) 463-5707 | Barbara A. Moed | moedb@co.mendocino.ca.us |
| Modoc County APCD | 202 West 4th Street | Alturas | 96101 | (530) 233-6401 | (530) 233-5542 | Gary Fensler | garyfensler@co.modoc.ca.us |
| Mojave Desert AQMD | 14306 Park Ave | Victorville | 92392 | (760) 245-1661 | (760) 245-2699 | Brad Poiriez | bradp@mdaqmd.ca.gov |
| Monterey Bay ARD | 24580 Silver Cloud Ct | Monterey | 93940 | (831) 647-9411 | (831) 647-8501 | Richard Stedman | rsteadman@mbard.org |
| North Coast Unified AQMD | 707 L Street | Eureka | 95501 | (707) 443-3093 | (707) 443-3099 | Brian Wilson | bwilson@ncuaqmd.org |
| Northern Sierra AQMD | 200 Litton Drive, Suite 320 | Grass Valley | 95945 | (530) 274-9360 ext. 102 | (530) 274-7546 | Gretchen Bennitt | gretchenb@myairdistrict.com |
| Northern Sonoma County APCD | 150 Matheson Street | Healdsburg | 95448 | (707) 433-5911 | (707) 433-4823 | Robert Bamford | robert.bamford@sonoma-county.org |
| Placer County APCD | 110 Maple Street | Auburn | 95603 | (530) 745-2330 | (530) 745-2373 | Erik C. White | ecwhite@placer.ca.gov |
| Sacramento Metropolitan AQMD | 7770 12th Street, 3rd Floor | Sacramento | 95814 | (916) 874-4800 | (916) 874-4899 | Alberto Ayala | aayala@airquality.org |
| San Diego County APCD | 10124 Old Grove Road | San Diego | 92131 | (858) 586-2705 | (858) 586-2701 | Robert Reider | robert.reider@sdcounty.ca.gov |
| San Joaquin Valley APCD | 1990 E. Gettysburg Ave. | Fresno | 93726 | (599) 230-6000 | (559) 230-6061 | Samir Sheikh | samir.sheikh@valleyair.org |
| San Luis Obispo County APCD | 3433 Roberto Court | San Luis Obispo | 93401 | (805) 781-5912 | (805) 781-1002 | Gary Willey | gwilley@co.slo.ca.us |
| Santa Barbara County APCD | 260 N. San Antonio Rd, Suite A | Santa Barbara | 93110 | (805) 961-8800 | (805) 961-8801 | Aeron Arlin Genet | ArlinGenetA@sbcapcd.org |
| Shasta County AQMD | 1855 Placer Street, Suite 200 | Redding | 96001 | (530) 225-5674 | (530) 225-5237 | Paul Hellman | phellman@co.shasta.ca.us |
| Siskiyou County APCD | 525 South Foothill Drive | Yreka | 96097 | (530) 841-4025 | (530) 842-6690 | Jim E. Smith | jsmith@co.siskiyou.ca.us |
| South Coast AQMD | 21865 Copley Drive | Diamond Bar | 91765 | (909) 396-2100 | (909) 396-3340 | Wayne Nastri | wnastri@aqmd.gov |
| Tehama County APCD | P.O. Box 1169 (1834 Walnut Street) | Red Bluff | 96080 | (530) 527-3717 | (530) 527-0959 | Joe Tona | jtona@tehcoapcd.net |
| Tuolumne County APCD | 2 South Green Street | Sonora | 95370 | (209) 533-5693 | (209) 533-5520 | Kelle Schroeder | kschroeder@co.tuolumne.ca.us |
| Ventura County APCD | 669 County Square Drive, 2nd Floor | Ventura | 93003 | (805) 645-1440 | (805) 645-1444 | Dr. Laki Tisopulos, P.E. | laki@vcapcd.org |
| Yolo-Solano AQMD | 1947 Galileo Ct., Suite 103 | Davis | 95618 | (530) 757-3650 | (530) 757-3670 | Mat Ehrhardt | mehrhardt@ysaqmd.org |