California Air Resources Board California map with district boundaries
California District and PM10 Monitoring Site Directory

The State is divided into Air Pollution Control Districts (APCD) and Air Quality Management Districts (AQMD), which are also called air districts.  These agencies are county or regional governing authorities that have primary responsibility for controlling air pollution from stationary sources.  The following is an alphabetical listing of districts and monitoring sites within each district.

  Alphabetical Listing of "California Districts and Monitoring Sites"  
|A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Select the specific letter of the alphabet corresponding to the district of interest.  Or scroll down the screen to find the desired district or monitoring site.  To view summary data for a district, or monitoring site within a district, click on the corresponding name.
 
Districts   Monitoring Sites
     
 
Amador County APCD Buena Vista-5730 Buena Vista Road
  Jackson-Buena Vista Road
 
Antelope Valley APCD Lancaster-W Pondera Street
 
Bay Area AQMD Bethel Island Road
  Concord-2975 Treat Blvd
  Fremont-Chapel Way
  Livermore-Old 1st Street
  Napa-Jefferson Avenue
  Redwood City
  Richmond-13th Street
  San Francisco-Arkansas Street
  San Jose-4th Street
  San Jose-935 Piedmont Road
  San Jose-Moorpark Avenue
  San Jose-Tully Road
  San Jose-W San Carlos Street
  San Leandro-County Hospital
  San Pablo-El Portal
  San Rafael
  Santa Rosa-5th Street
  Vallejo-304 Tuolumne Street
 
Butte County AQMD Chico-Manzanita Avenue
 
Calaveras County APCD San Andreas-Gold Strike Road
 
Colusa County APCD Colusa-Sunrise Blvd
 
El Dorado County APCD Placerville-Gold Nugget Way
  South Lake Tahoe-Sandy Way
 
Feather River AQMD Yuba City-Almond Street
 
Glenn County APCD Willows-E Laurel Street
  Willows-N Villa Avenue
 
Great Basin Unified APCD Bishop-351 N Main Street
  Coso Junction-10 miles E
  Coso Junction-Highway 395 Rest Area
  Keeler
  Keeler-Cerro Gordo Road
  Lee Vining-SMS
  Lone Pine-E Locust Street
  Mammoth Lakes-Gateway HC
  Mono Lake-Simis Residence
  Olancha-E Fall Road
  Olancha-Walker Creek Road
  Pearsonville-Pearson Road
 
Imperial County APCD Brawley-Main Street
  Calexico-East
  Calexico-Ethel Street
  Calexico-Grant Street
  El Centro-9th Street
  Niland-English Road
  Westmorland-W 1st Street
  Winterhaven-2nd Avenue
 
Kern County APCD China Lake-Powerline Road
  Inyokern-Airport
  Mojave-923 Poole Street
  Mojave-Airport
  Ridgecrest-Las Flores Avenue
 
Lake County AQMD Lakeport-Lakeport Blvd
 
Lassen County APCD Susanville-Russel
 
Mariposa County APCD Yosemite Village-Visitor Center
 
Mendocino County AQMD Fort Bragg-N Franklin Street
  Ukiah-County Library
  Willits-Firehouse
 
Modoc County APCD Alturas-W 4th Street
 
Mojave Desert AQMD Barstow
  Hesperia-Olive Street
  Lucerne Valley-Middle School
  Trona-Athol
  Trona-Athol and Telegraph
  Trona-Market Street
  Twentynine Palms-Adobe Road
  Twentynine Palms-Adobe Road #2
  Victorville-Armagosa Road
 
Monterey Bay Unified APCD Carmel Valley-Ford Road
  Davenport
  Hollister-Fairview Road
  King City-750 Metz Road
  Monterey-Silver Cloud Court
  Moss Landing - Sandholt Road
  Salinas-Natividad Road #2
  Santa Cruz-2544 Soquel Avenue
  Santa Cruz-Bostwick Lane
  Scotts Valley-Vine Hill
  Watsonville-Airport Boulevard
 
North Coast Unified AQMD Blue Lake-Greenwood Avenue
  Crescent City-9th and H Street
  Eureka-Health Dept 6th and I Street
  Weaverville-Courthouse
 
Northern Sierra AQMD Chester-222 1st Avenue
  Grass Valley-Annie
  Grass Valley-Henderson Street
  Loyalton-W 3rd Street
  Nevada City-Willow Valley
  Quincy-N Church Street
  Truckee-Fire Station
  Truckee-Glenshire Fire Station
 
Northern Sonoma County APCD Cloverdale
  Guerneville-Church and 1st
  Healdsburg-133 Matheson Street
 
Placer County APCD Auburn-Dewitt-C Avenue
  Colfax-City Hall
  Lincoln-L Street
  Olympic Valley-Squaw Valley
  Rocklin-Rocklin Road
  Roseville-N Sunrise Blvd
 
Sacramento Metro AQMD Citrus Heights-Sunrise Blvd
  North Highlands-Blackfoot Way
  Sacramento-Branch Center Road
  Sacramento-Del Paso Manor
  Sacramento-Earhart Drive
  Sacramento-Health Dept Stockton Blvd
  Sacramento-T Street
 
San Diego County APCD Chula Vista
  El Cajon-Redwood Avenue
  Escondido-E Valley Parkway
  Oceanside-Mission Avenue
  Otay Mesa-Paseo International
  San Diego-12th Avenue
  San Diego-Overland Avenue
 
San Joaquin Valley Unified APCD Bakersfield-5558 California Avenue
  Bakersfield-Chester Street
  Bakersfield-Golden State Highway
  Clovis-N Villa Avenue
  Corcoran-Patterson Avenue
  Corcoran-Van Dorsten Avenue
  Five Points
  Fresno-1st Street
  Fresno-Drummond Street
  Hanford
  Hanford-S Irwin Street
  Kern Refuge
  Kettleman City-CalTrans
  Los Banos-5th Street
  Madera-Library
  Merced-Health Dept
  Modesto-14th Street
  Modesto-I Street
  Oildale-3311 Manor Street
  Stockton-Hazelton Street
  Stockton-Wagner-Holt School
  Taft College
  Turlock-S Minaret Street
  Visalia-N Church Street
 
San Luis Obispo County APCD Arroyo Grande-Ralcoa Way
  Atascadero-Lewis Avenue
  Morro Bay
  Nipomo-Guadalupe Road
  Nipomo-South Wilson Street
  Paso Robles-Santa Fe Avenue
  San Luis Obispo-Marsh Street
 
Santa Barbara County APCD El Capitan Beach
  Exxon Site 10-UCSB West Campus
  Gaviota-East
  Gaviota-GTC Site A
  Gaviota-GTC Site C
  Gaviota-West
  Jalama Beach
  Las Flores Canyon #1
  Las Flores Canyon #2
  Las Flores Canyon #3
  Lompoc-S H Street
  Point Conception-Lighthouse
  Santa Barbara-W Carillo Street
  Santa Maria-Library
  Vandenberg Air Force Base-STS Power
  Vandenberg Air Force Base-Watt Road
 
Shasta County AQMD Anderson-North Street
  Burney-Siskiyou
  Redding-Health Dept Roof
 
Siskiyou County APCD Lava Beds Natl Monument
  Mt Shasta-Alma
  Mt Shasta-N Old Stage Road
  Yreka-Foothill Drive
 
South Coast AQMD Anaheim-Harbor Blvd
  Azusa
  Banning-Allesandro
  Burbank-W Palm Avenue
  El Toro
  Fontana-Arrow Highway
  Hawthorne
  Indio-Jackson Street
  Lake Gregory
  Los Angeles-North Main Street
  Newport Beach-University
  Norco-Norconian
  North Long Beach
  Ontario-Airport
  Palm Springs-Fire Station
  Perris
  Redlands-Dearborn
  Riverside-Rubidoux
  San Bernardino-4th Street
  Santa Clarita-County Fire Station
  Temecula-Rancho California Road
 
Tehama County APCD Red Bluff-Riverside Drive
 
Ventura County APCD El Rio-Rio Mesa School #2
  Ojai-1768 Maricopa Highway
  Ojai-Ojai Avenue
  Piru-2 miles SW
  Simi Valley-Cochran Street
  Thousand Oaks-Moorpark Road
  Ventura-E Main Street
 
Yolo-Solano AQMD Vacaville-Merchant Street
  West Sacramento-15th Street
  Woodland-Sutter Street

 
Please send questions or comments to:
a qdweb@arb.ca.gov
 
This page last revised on March 1, 1999
 

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