California Air Districts

California's 35 local Air Districts are responsible for regional air quality planning, monitoring, and stationary source and facility permitting. The districts administer air quality improvement grant programs and are CARB's primary partners in efforts to ensure that all Californians breathe clean air.

Amador County APCD

Includes all of Amador County

(209) 257-0112

Complaint Webpage | Public Notice Webpage

Antelope Valley AQMD

Includes northeast portion of Los Angeles County

(661) 723-8070

Complaint Webpage | Public Notice Webpage

Bay Area AQMD

Includes 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) 749-5000

Complaint Webpage | Public Notice Webpage

Butte County AQMD

Includes all of Butte County

(530)332-9400

Complaint Webpage | Public Notice Webpage

Calaveras County APCD

Includes all of Calaveras County

(209) 754-6399

Public Notice Webpage

Colusa County APCD

Includes all of Colusa County

(530) 458-0590

Complaint Webpage | Public Notice Webpage

Eastern Kern APCD

Includes eastern portion of Kern County

(661) 862-5250

Complaint Webpage | Public Notice Webpage

El Dorado County AQMD

Includes all of El Dorado County

(530) 621-7501

Complaint Webpage | Public Notice Webpage

Feather River AQMD

Includes all of Sutter and Yuba counties

(530) 634-7659

Complaint Webpage | Public Notice Webpage

Glenn County APCD

Includes all of Glenn County

(530) 934-6500

Complaint Webpage | Public Notice Webpage

Great Basin Unified APCD

Includes all of Alpine, Inyo, and Mono counties

(760) 872-8211

Complaint Webpage | Public Notice Webpage

Imperial County APCD

Includes all of Imperial County

(442) 265-1800

Complaint Webpage | Public Notice Webpage

Lake County AQMD

Includes all of Lake County

(707) 263-7000

Complaint Webpage | Public Notice Webpage

Lassen County APCD

Includes all of Lassen County

(530)-252-4247

Complaint Webpage | Public Notice Webpage

Mariposa County APCD

Includes all of Mariposa County

(209) 966-3689

Complaint Webpage | Public Notice Webpage

Mendocino County AQMD

Includes all of Mendocino County

(707) 463-4354

Complaint Webpage | Public Notice Webpage

Modoc County APCD

Includes all of Modoc County

(530) 233-6401

Complaint Webpage

Mojave Desert AQMD 

Includes the Northern portion of San Bernardino County, and the eastern
portion of Riverside County

(760) 245-1661

Complaint Webpage | Public Notice Webpage

Monterey Bay Air Resources District

Includes all of Monterey, San Benito, and Santa Cruz counties

(831) 647-9411

Complaint Webpage | Public Notice Webpage

North Coast Unified AQMD

Includes all of Del Norte, Humboldt, and Trinity counties

(707) 443-3093

Complaint Webpage | Public Notice Webpage

Northern Sierra AQMD

Includes all of Nevada, Plumas, and Sierra counties

(530) 274-9360

Complaint Webpage | Public Notice Webpage

Northern Sonoma County APCD

Includes Northern portion of Sonoma County

(707) 433-5911

Complaint Webpage

Placer County APCD

Includes all of Placer County

(530) 745-2330

Complaint Webpage

Sacramento Metro AQMD

Includes all of Sacramento County

(916) 874-4800

Complaint Webpage | Public Notice Webpage

San Diego County APCD

Includes all of San Diego County

(858) 586-2600

Complaint Webpage

San Joaquin Valley APCD

Includes all of Fresno, Kings, Madera, Merced, San Joaquin, Stanislaus, 
Tulare, and Valley air basin portions of Kern counties

(559) 230-6000

Complaint Webpage | Public Notice Webpage

San Luis Obispo County APCD

Includes all of San Luis Obispo County

(805) 781-5912

Complaint Webpage | Public Notice Webpage

Santa Barbara County APCD

Includes all of Santa Barbara County

(805) 961-8800

Complaint Webpage | Public Notice Webpage

Shasta County AQMD

Includes all of Shasta County

(530) 225-5674

Complaint Webpage | Public Notice Webpage

Siskiyou County APCD

Includes all of Siskiyou County

(530) 841-4025

Complaint Webpage | Public Notice Webpage

South Coast AQMD

Includes 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) 396-2000

Complaint Webpage | Public Notice Webpage

Tehama County APCD 

Includes all of Tehama County

(530)527-3717

Complaint Webpage | Public Notice Webpage

Tuolumne County APCD

Includes all of Tuolumne County

(209) 533-5693

Complaint Webpage

Ventura County APCD

Includes all of Ventura County

(805) 645-1400

Complaint Webpage | Public Notice Webpage

Yolo-Solano AQMD

Includes all of Yolo and the eastern portion of Solano counties

(530) 757-3650

Complaint Webpage | Public Notice Webpage