Quality Assurance

Air Monitoring Site Information

This page updated February 24, 2003

Quality Assurance Sitelist The following are those sites that are currently operating throughout California and parts of Nevada and are audited by the Quality Assurance Section. You can get the specifics for each of these sites by clicking on the name or highlighted area. ARB Site Number Site Name County Agency 80128 Alpine-Victoria Drive San Diego San Diego County APCD 30178 Anaheim-Loara School Orange South Coast AQMD 17720 Anderson Springs Lake Lake County AQMD 45567 Anderson-North Street Shasta Shasta County AQMD 15247 Arvin-Bear Mountain Blvd Kern California Air Resources Board 40847 Atascadero-Lewis Avenue San Luis Obispo San Luis Obispo County APCD 31813 Auburn Placer Placer County APCD 70060 Azusa Los Angeles South Coast AQMD 15258 Bakersfield - Airport Kern California Air Resources Board 15255 Bakersfield-California Avenue Kern California Air Resources Board 15256 Bakersfield-Golden Kern San Joaquin Valley Unified APCD 33164 Banning-Airport Riverside South Coast AQMD 36155 Barstow San Bernardino Mojave Desert AQMD 07442 Bethel Island Road Contra Costa Bay Area AQMD 36001 Big Bear San Bernardino South Coast AQMD 33201 Blythe-Murphy Street Riverside California Air Resources Board 13701 Brawley-Main Street #2 Imperial Imperial County APCD 70069 Burbank Los Angeles South Coast AQMD 13700 Calexico-East Imperial California Air Resources Board 13698 Calexico-Ethel Street Imperial California Air Resources Board 13695 Calexico-Grant Street Imperial Imperial County APCD 80198 Camp Pendleton San Diego San Diego County APCD 27550 Carmel Valley-Ford Road Monterey Monterey Bay Unified APCD 42402 Carpinteria-Gobernador Road Santa Barbara Santa Barbara County APCD 40990 Carrizo Plains San Luis Obispo San Luis Obispo County APCD 32823 Chester Plumas Northern Sierra AQMD 04628 Chico-Manzanita Butte California Air Resources Board 80114 Chula Vista San Diego San Diego County APCD 49886 Cloverdale Sonoma Northern Sonoma County APCD 10248 Clovis-N Villa Avenue Fresno San Joaquin Valley Unified APCD 31818 Colfax-City Hall Placer Placer County APCD 06646 Colusa-Sunrise Blvd Colusa California Air Resources Board 70112 Compton Los Angeles South Coast AQMD 07448 Concord Contra Costa Bay Area AQMD 09693 Cool (seasonal) El Dorado California Air Resources Board 16719 Corcoran-Patterson Avenue Kings San Joaquin Valley Unified APCD 14720 Coso Junction - Blast Inyo Great Basin Unified APCD 14724 Coso Junction - Gate Inyo Great Basin Unified APCD 14696 Coso Junction - Hwy. 395 Inyo Great Basin Unified APCD 14718 Coso Junction - Navy 1 Inyo Great Basin Unified APCD 30195 Costa Mesa-Mesa Verde Drive Orange South Coast AQMD 08657 Crescent City - Northcrest Del Norte North Coast Unified AQMD 07437 Crockett-Kendall Avenue Contra Costa Bay Area AQMD 44851 Davenport Santa Cruz Monterey Bay Unified APCD 57577 Davis-UCD Campus Yolo California Air Resources Board 14151 Death Valley Natl Monument Inyo National Park Service (NPS) 80133 Del Mar - Winston School San Diego San Diego County APCD 14022 Dirty Socks Inyo Great Basin Unified APCD 09695 Echo Summit (seasonal) El Dorado California Air Resources Board 15242 Edison Kern California Air Resources Board 80131 El Cajon-Redwood Avenue San Diego San Diego County APCD 42370 El Capitan Beach Santa Barbara Santa Barbara County APCD 13694 El Centro-9th Street Imperial Imperial County APCD 56436 El Rio-Rio Mesa School #2 Ventura Ventura County APCD 34310 Elk Grove - Bruceville Road Sacramento Sacramento Metropolitan AQMD 80115 Escondido-E Valley Parkway San Diego San Diego County APCD 12503 Eureka - 6th & I Humboldt North Coast Unified AQMD 12505 Eureka-Jacobs Ave. Humboldt California Air Resources Board 48880 Fairfield-Chadbourne Solano Bay Area AQMD 14024 Flat Rock Inyo Great Basin Unified APCD 34311 Folsom-Natoma Street Sacramento Sacramento Metropolitan AQMD 36197 Fontana-Arrow Highway San Bernardino South Coast AQMD 23756 Fort Bragg-N Franklin Street Mendocino Mendocino County AQMD 21454 Fort Cronkhite Marin Bay Area AQMD 60336 Fremont-Chapel Way Alameda Bay Area AQMD 10244 Fresno - Drummond Street Fresno San Joaquin Valley Unified APCD 10246 Fresno - First Street Fresno California Air Resources Board 10025 Fresno - Pacific Fresno San Joaquin Valley Unified APCD 10245 Fresno - Skypark Fresno San Joaquin Valley Unified APCD 42399 Gaviota - Nojoqui Santa Barbara Santa Barbara County APCD 43389 Gilroy-9th Street Santa Clara Bay Area AQMD 17728 Glenbrook Lake Lake County AQMD 70591 Glendora-Laurel Los Angeles South Coast AQMD 42404 Goleta-Fairview Santa Barbara Santa Barbara County APCD 29800 Grass Valley-Litton Building Nevada Northern Sierra AQMD 04636 Gridley Butte California Air Resources Board 40844 Grover City-Lesage Drive San Luis Obispo San Luis Obispo County APCD 49895 Guerneville-Church and 1st Sonoma Northern Sonoma County APCD 16716 Hanford-S Irwin Street Kings San Joaquin Valley Unified APCD 60337 Hayward Alameda Bay Area AQMD 49999 Healdsburg - Limmerick Ln Sonoma Northern Sonoma County APCD 49898 Healdsburg - Matheson Sonoma Northern Sonoma County APCD 49899 Healdsburg-Municipal Airport Sonoma Northern Sonoma County APCD 36201 Hesperia-Olive Street San Bernardino Mojave Desert AQMD 17725 Hobergs-Pine Summit Lake Lake County AQMD 35823 Hollister-Fairview Road San Benito Monterey Bay Unified APCD 33157 Indio-Jackson Street Riverside South Coast AQMD 03614 Jackson-Clinton Road Amador California Air Resources Board 22744 Jerseydale Mariposa California Air Resources Board 36152 Joshua Tree National Park San Bernardino National Park Service (NPS) 14728 Keeler-Cerro Gordo Road Inyo Great Basin Unified APCD 27551 King City Monterey Monterey Bay Unified APCD 27555 King City-Pearl Monterey Enviromental Monitoring Company (EMC) 30177 La Habra Orange South Coast AQMD 33158 Lake Elsinore-W Flint Street Riverside South Coast AQMD 36181 Lake Gregory (Crestline) San Bernardino South Coast AQMD 17713 Lakeport-Lakeport Blvd Lake Lake County AQMD 70301 Lancaster-Division Street Los Angeles Antelope Valley APCD 42101 Las Flores Canyon #1 Santa Barbara Santa Barbara County APCD 42037 Las Flores Canyon-Odor site Santa Barbara Santa Barbara County APCD 45566 Lassen Volcanic National Park Shasta National Park Service (NPS) 47872 Lava Beds Siskiyou Siskiyou County APCD 14732 Laws Mobile Monitor - White Mountain Research Center Inyo Great Basin Unified APCD 15990 Lebec-Peace Valley Rd. Los Angeles California Air Resources Board 26779 Lee Vining-SMS Mono Great Basin Unified APCD 31816 Lincoln Placer Placer County APCD 60344 Livermore - Rincon Alameda Bay Area AQMD 14733 Lizard Tail Inyo Great Basin Unified APCD 39901 Lodi Diesel-East San Joaquin 39900 Lodi Diesel-West San Joaquin 42394 Lompoc-HS&P Santa Barbara Santa Barbara County APCD 42098 Lompoc-Odor Santa Barbara Santa Barbara County APCD 42381 Lompoc-South H Street Santa Barbara Santa Barbara County APCD 14700 Lone Pine - Met Site Inyo Great Basin Unified APCD 14699 Lone Pine-E Locust Street Inyo Great Basin Unified APCD 70111 Los Angeles - LAX Los Angeles South Coast AQMD 70091 Los Angeles - VA Hospital Los Angeles South Coast AQMD 70087 Los Angeles-North Main Street Los Angeles South Coast AQMD 43380 Los Gatos Santa Clara Bay Area AQMD 42395 Los Padres National Forrest Santa Barbara Santa Barbara County APCD 46854 Loyalton-W 3rd Street Sierra Northern Sierra AQMD 36208 Lucerne Valley - Middle School San Bernardino Mojave Desert AQMD 70084 Lynwood Los Angeles South Coast AQMD 20211 Madera - Pump Yard Madera San Joaquin Valley Unified APCD 26785 Mammoth Lakes-Gateway HC Mono Great Basin Unified APCD 15246 Maricopa Kern San Joaquin Valley Unified APCD 07434 Martinez-Jones Street Contra Costa Bay Area AQMD 24528 Merced - Coffee Road Merced San Joaquin Valley Unified APCD 24510 Merced M Street Merced San Joaquin Valley Unified APCD 33165 Mira Loma-Van Buren Riverside South Coast AQMD 30002 Mission Viejo Orange South Coast AQMD 50568 Modesto-14th Street Stanislaus California Air Resources Board 15252 Mojave Kern California Air Resources Board 26011 Mono Lake - North Shore Mono Great Basin Unified APCD 26782 Mono Lake-Simis Residence Mono Great Basin Unified APCD 40833 Morro Bay San Luis Obispo San Luis Obispo County APCD 47871 Mt. Shasta - Old Stage Road Siskiyou Siskiyou County APCD 70061 Mt. Wilson Los Angeles California Air Resources Board 28783 Napa-Jefferson Avenue Napa Bay Area AQMD 13997 Niland-English Road Imperial Imperial County APCD 40852 Nipomo - Regional Park San Luis Obispo San Luis Obispo County APCD 40849 Nipomo-Guadalupe Road San Luis Obispo San Luis Obispo County APCD 40991 Nipomo-Hillview San Luis Obispo San Luis Obispo County APCD 33155 Norco Riverside South Coast AQMD 34294 North Highlands-Blackfoot Way Sacramento Sacramento Metropolitan AQMD 70072 North Long Beach (Long Beach) Los Angeles South Coast AQMD 60345 Oakland-Filbert Street Alameda Bay Area AQMD 60347 Oakland-International Alameda Bay Area AQMD 15243 Oildale Kern California Air Resources Board 56172 Ojai - East Ojai Av Ventura Ventura County APCD 14729 Olancha-Walker Creek Inyo Great Basin Unified APCD 36025 Ontario-Fire Station San Bernardino South Coast AQMD 80139 Otay Mesa San Diego San Diego County APCD 14730 Owens Lake - Ash Point Inyo Great Basin Unified APCD 33137 Palm Springs-Fire Station Riverside South Coast AQMD 04638 Paradise - Airport Butte California Air Resources Board 04631 Paradise - Birch Butte Butte County APCD 10230 Parlier Fresno San Joaquin Valley Unified APCD 10231 Parlier-Tuolumne Fresno California Air Resources Board 70088 Pasadena Los Angeles South Coast AQMD 40850 Paso Robles San Luis Obispo California Air Resources Board 33149 Perris Riverside South Coast AQMD 36207 Phelan-Beekley Road & Phelan R San Bernardino Mojave Desert AQMD 70185 Pico Rivera #2 Los Angeles South Coast AQMD 35824 Pinnacles National Monument San Benito National Park Service (NPS) 56450 Piru-Pacific Ventura Ventura County APCD 07430 Pittsburg-10th Street Contra Costa Bay Area AQMD 09690 Placerville-Gold Nugget Way El Dorado California Air Resources Board 21453 Point Reyes Marin California Air Resources Board 70075 Pomona Los Angeles South Coast AQMD 32825 Portola - Nevada Street Plumas Northern Sierra AQMD 32821 Quincy-N Church Street Plumas Northern Sierra AQMD 52901 Red Bluff-Messer Drive Tehama Tehama County APCD 52911 Red Bluff-Oak Street Tehama Tehama County APCD 40999 Red Hills San Luis Obispo San Luis Obispo County APCD 45555 Redding - Health Department Shasta Shasta County AQMD 36204 Redlands San Bernardino South Coast AQMD 41541 Redwood City San Mateo Bay Area AQMD 70074 Reseda Los Angeles South Coast AQMD 07441 Richmond-7th Street Contra Costa Bay Area AQMD 07432 Richmond-Point Richmond Contra Costa Bay Area AQMD 15300 Ridgecrest - California Av Kern Kern County APCD 33146 Riverside-Magnolia Riverside South Coast AQMD 33144 Riverside-Rubidoux Riverside South Coast AQMD 07446 Rodeo-Third St Contra Costa Bay Area AQMD 98902 Roseville Railyard-Church Placer Placer County APCD 98900 Roseville Railyard-Denio Placer Placer County APCD 98901 Roseville Railyard-Pool Placer Placer County APCD 98903 Roseville Railyard-Vernon Placer Placer County APCD 31822 Roseville-N Sunrise Blvd Placer California Air Resources Board 34305 Sacramento - 1309 T Street Sacramento California Air Resources Board 34314 Sacramento - Airport Road Sacramento Sacramento Metropolitan AQMD 34284 Sacramento-Branch Center #2 Sacramento Sacramento Metropolitan AQMD 34295 Sacramento-Del Paso Manor Sacramento Sacramento Metropolitan AQMD 34289 Sacramento-El Camino Sacramento Sacramento Metropolitan AQMD 34315 Sacramento-Goldenland Sacramento Sacramento Metropolitan AQMD 34277 Sacramento-Health Dept Sacramento Sacramento Metropolitan AQMD 27554 Salinas #3 Monterey Monterey Bay Unified APCD 05633 San Andreas-Gold Strike Road Calaveras California Air Resources Board 36203 San Bernardino San Bernardino South Coast AQMD 80142 San Diego - Beardsley San Diego San Diego County APCD 80123 San Diego - Overland San Diego San Diego County APCD 80130 San Diego - Union San Diego San Diego County APCD 90306 San Francisco-Arkansas Street San Francisco Bay Area AQMD 43383 San Jose - Jackson St Santa Clara Bay Area AQMD 43391 San Jose - Tully Road Santa Clara Bay Area AQMD 60343 San Leandro Alameda Bay Area AQMD 40836 San Luis Obispo-Higuera Street San Luis Obispo California Air Resources Board 43393 San Martin Santa Clara Bay Area AQMD 07447 San Pablo-Rumrill Contra Costa Bay Area AQMD 21451 San Rafael Marin Bay Area AQMD 42401 Santa Barbara - UCSB Campus Santa Barbara Santa Barbara County APCD 42409 Santa Barbara-National Guard Armory Santa Barbara California Air Resources Board 70090 Santa Clarita-Placerita Los Angeles South Coast AQMD 44200 Santa Cruz - Soquel Avenue Santa Cruz Monterey Bay Unified APCD 42408 Santa Maria - South Broadway Santa Barbara California Air Resources Board 49893 Santa Rosa Sonoma Bay Area AQMD 42369 Santa Ynez Santa Barbara Santa Barbara County APCD 44854 Scotts Valley #4 - Scotts Valley Drive Santa Cruz Monterey Bay Unified APCD 54009 Sequoia National Park-Ash Mountain Tulare National Park Service (NPS) 54036 Sequoia National Park-Lower Kaweah Tulare National Park Service (NPS) 15248 Shafter Kern California Air Resources Board 47873 Shasta Lake-La Mesa Shasta Shasta County AQMD 14025 Shell Cut Inyo Great Basin Unified APCD 56434 Simi Valley - Cochran Street Ventura Ventura County APCD 56437 Simi Valley - Upper Air Ventura Ventura County APCD 34312 Sloughhouse Sacramento Sacramento Metropolitan AQMD 55930 Sonora - Barretta Street Tuolumne California Air Resources Board 09670 South Lake Tahoe-Airport (seasonal) El Dorado California Air Resources Board 09691 South Lake Tahoe-Sandy Way El Dorado California Air Resources Board 70110 South Long Beach Los Angeles South Coast AQMD 39252 Stockton-Hazelton San Joaquin California Air Resources Board 39288 Stockton-Wagner-Holt School San Joaquin San Joaquin Valley Unified APCD 43394 Sunnyvale-Ticonderoga Santa Clara Bay Area AQMD 51899 Sutter Buttes (seasonal) Sutter California Air Resources Board 15250 Taft - College Kern San Joaquin Valley Unified APCD 56435 Thousand Oaks-Moorpark Road Ventura Ventura County APCD 39271 Tracy-Airport San Joaquin San Joaquin Valley Unified APCD 36220 Trona-Athol/Telescope San Bernardino Mojave Desert AQMD 29794 Truckee - Fire Station Nevada Northern Sierra AQMD 50573 Turlock-S Minaret Street Stanislaus San Joaquin Valley Unified APCD 52910 Tuscan Butte (seasonal) Tehama California Air Resources Board 23769 Ukiah - Gobbi Street Mendocino Mendocino County AQMD 23764 Ukiah - Library Mendocino Mendocino County AQMD 36175 Upland San Bernardino South Coast AQMD 48881 Vacaville-Merchant Street Solano Yolo-Solano AQMD 48884 Vacaville-Ulatis Drive Solano Yolo-Solano AQMD 48879 Vallejo Solano Bay Area AQMD 42390 Vandenberg Air Force Base-STS Santa Barbara Santa Barbara County APCD 56433 Ventura-Emma Wood State Beach Ventura Ventura County APCD 36306 Victorville - Park Avenue San Bernardino Mojave Desert AQMD 54568 Visalia Tulare California Air Resources Board 54000 Visalia-Airport Tulare San Joaquin Valley Unified APCD 44852 Watsonville-Airport Boulevard Santa Cruz Monterey Bay Unified APCD 53915 Weaverville Trinity North Coast Unified AQMD 57570 West Sacramento-15th Street Yolo Yolo-Solano AQMD 13697 Westmoreland Imperial Imperial County APCD 29802 White Cloud (seasonal) Nevada California Air Resources Board 23753 Willits-Firehouse Mendocino Mendocino County AQMD 23770 Willits-Main Street Mendocino Mendocino County AQMD 11676 Willows-Colusa Glenn California Air Resources Board 70113 Wilmington - MATES Los Angeles South Coast AQMD 57582 Woodland-Gibson Road Yolo Yolo-Solano AQMD 22746 Yosemite Natl Park-Turtleback Mariposa National Park Service (NPS) 22742 Yosemite Village - Visitor Center Mariposa California Air Resources Board 47861 Yreka Siskiyou Siskiyou County APCD 51898 Yuba City Sutter California Air Resources Board Site Information Menu Top Page Quality Assurance Programs Search QA Site Information Database For real-time air quality data visit: Air Quality and Meteorological Information System (AQMIS)

For further information contact:

Merrin Wright, Manager Quality Assurance Section

A department of the California Environmental Protection Agency