Air Pollution in California: Real-time Air Quality Index Visual Map

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Stations on the map

There are 136 stations on the map: CDF - Arroyo Grande, San Luis Obispo, California (189) - Nipomo-Guadalupe Road, San Luis Obispo, California (110) - Kernville-Forest Service, Kern, California (88) - Calexico-Ethel Street, Imperial, California (79) - Torres - Martinez, Riverside, California (73) - Santa Maria - South Broadway, Santa Barbara, California (66) - Mira Loma-Van Buren, Riverside, California (64) - Glendora-Laurel, Los Angeles (63) - Willows-Colusa, Glenn, California (63) - Lake Elsinore-W Flint Street, Riverside (60) - Rubidoux - Mission Blvd, Riverside (60) - Portola - Gulling Street, Plumas, California (59) - Pinehurst-Forest Service, Fresno, California (58) - Springville-Forest Service, Tulare, California (58) - Sequoia National Park-Ash Mountain, Tulare, California (58) - Santa Cruz - Soquel Avenue, Santa Cruz, California (57) - Mojave, Kern, California (55) - Alpine-Victoria Drive, San Diego, California (53) - Banning-Airport, Riverside (53) - Temecula - Lake Skinner, Riverside, California (51) - San Jose-Knox Avenue, Santa Clara, California (50) - Porterville, Tulare, California (50) - Visalia, Tulare, California (50) - El Cajon-Lexington Elementary School, San Diego, California (47) - El Cajon-Redwood Avenue, San Diego, California (47) - Reseda, Los Angeles (47) - Lake Gregory (Crestline), San Bernardino (47) - South Long Beach, Los Angeles, California (46) - Camp Pendleton, San Diego, California (44) - Gridley, Butte, California (42) - Merced - Coffee Road, Merced, California (42) - Auburn - Atwood Rd, Placer, California (42) - Long Beach-Route 710 Near Road, Los Angeles, California (42) - Ojai - East Ojai Av, Ventura, California (42) - Auburn-11645 Atwood Road, Placer, California (42) - Otay Mesa - Donovan Correctional Facility, San Diego, California (41) - Simi Valley - Cochran Street, Ventura, California (41) - Piru - Pacific, Ventura, California (40) - Santa Clarita-Placerita, Los Angeles (40) - Los Angeles-North Main Street (39) - Thousand Oaks-Moorpark Road, Ventura, California (38) - El Rio-Rio Mesa School #2, Ventura, California (38) - Bakersfield-California Avenue, Kern, California (38) - Corcoran-Patterson Avenue, Kings, California (38) - San Luis Obispo-Higuera Street, San Luis Obispo, California (38) - Truckee - Fire Station, Nevada, California (38) - Goleta-Fairview, Santa Barbara, California (37) - Hanford-S Irwin Street, Kings, California (37) - Huron - 4th Street, Fresno, California (37) - Santa Barbara-National Guard Armory, Santa Barbara, California (36) - Clovis-N Villa Avenue, Fresno, California (35) - Hollister-Fairview Road, San Benito, California (35) - Madera City, Madera, California (35) - Red Bluff - Walnut St, Tehama, California (34) - Colusa-Sunrise Blvd, Colusa, California (34) - Madera - Pump Yard, Madera, California (34) - Bishop-Line, Inyo, California (34) - Niland-English Road, Imperial, California (34) - Sebastopol-103 Morris Street, Sonoma, California (34) - Modesto-14th Street, Stanislaus, California (34) - Anderson-North Street, Shasta, California (34) - Concord, Contra Costa, California (34) - King City - Pearl, Monterey, California (33) - San Andreas-Gold Strike Road, Calaveras, California (33) - Upland, San Bernardino (32) - Turlock-S Minaret Street, Stanislaus, California (32) - Atascadero-Lift Station #5, San Luis Obispo, California (32) - Anaheim-Loara School, Orange, California (32) - Lincoln-1445 1st Street, Placer, California (32) - Sloughhouse, Sacramento, California (31) - Roseville-N Sunrise Ave, Placer, California (30) - Sacramento - 1309 T Street, Sacramento, California (30) - Colfax-City Hall, Placer, California (30) - Davis-UCD Campus, Yolo, California (30) - Salinas #3, Monterey, California (30) - Fresno - Drummond Street, Fresno, California (30) - Tranquility, Fresno, California (30) - Lompoc-South H Street, Santa Barbara, California (30) - Oakland-Laney College, Alameda, California (30) - Tracy - Airport, San Joaquin, California (30) - Yuba City, Sutter, California (30) - Vacaville-Ulatis Drive, Solano, California (29) - Elk Grove - Bruceville Road, Sacramento, California (29) - Woodland-Gibson Road, Yolo, California (29) - Grass Valley-Litton Building, Nevada, California (29) - Fresno - Garland, Fresno, California (29) - Carmel Valley-Ford Road, Monterey, California (29) - San Lorenzo Valley Middle School, Santa Cruz, California (29) - Manteca AMS, San Joaquin, California (27) - Stockton-Hazelton, San Joaquin, California (27) - Ontario-Route 60 Near Road, San Bernardino, California (27) - Sonny Bono, Imperial, California (27) - Tahoe City - 221 Fairway Drive, Placer, California (25) - Tahoe City-221 Fairway Drive, Placer, California (25) - Salton Sea Park, Riverside, California (25) - Chico - East Avenue, Butte, California (24) - Paradise - Theater, Butte, California (24) - Rio Vista-St Francis Way, Solano, California (21) - Rio Vista-YS, Solano, California (21) - Keeler-Cerro Gordo Road, Inyo, California (19) - Lebec, Kern, California (18) - Gilroy-9th Street, Santa Clara, California (18) - Sacramento-Del Paso Manor, Sacramento, California (17) - Atascadero Lift Station #5, San Luis Obispo, California (17) - Bombay Beach, Imperial, California (15) - Yosemite Village - Visitor Center, Mariposa, California (13) - Livermore - Rincon, Alameda, California (13) - Ukiah - Library, Mendocino, California (5) - Willits - Justice Center, Mendocino, California (5) - Quincy-N Church Street, Plumas, California (5) - Chester, Plumas, California (5) - Redwood City, San Mateo, California (no data) - Portola - Nevada Street, Plumas, California (no data) - Lincoln - 1445 1st St., Placer, California (no data) - San Francisco-Arkansas Street, San Francisco, California (no data) - Atascadero-Lewis Avenue, San Luis Obispo, California (no data) - Folsom-Natoma Street, Sacramento, California (no data) - Napa-Jefferson Avenue, Napa, California (no data) - Mexicali-UABC, Mexicali, California (no data) - Oakland - West, Alameda, California (no data) - San Rafael, Marin, California (no data) - Sebastopol, Sonoma, California (no data) - Mexicali-Cobach, Mexicali, California (no data) - Vallejo, Solano, California (no data) - North Long Beach (Long Beach), Los Angeles (no data) - Salton City, Imperial, California (no data) - Escondido-E Valley Parkway, San Diego, California (no data) - San Diego - Beardsley, San Diego, California (no data) - San Jose - Jackson St, Santa Clara, California (no data) - Naval Test Base, Imperial, California (no data) - Riverside-Magnolia, Riverside (no data) - San Pablo-Rumrill, Contra Costa, California (no data) - Burbank, Los Angeles (no data) - Point Reyes, Marin, California (no data) - Oakland - East, Alameda, California (no data) - Berkeley-Aquatic Park, Alameda, California (no data)


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Air Quality Rankings

About the Air Quality and Pollution Measurement:

About the Air Quality Levels

AQIAir Pollution LevelHealth ImplicationsCautionary Statement (for PM2.5)
0 - 50GoodAir quality is considered satisfactory, and air pollution poses little or no riskNone
51 -100ModerateAir quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
101-150Unhealthy for Sensitive GroupsMembers of sensitive groups may experience health effects. The general public is not likely to be affected.Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
151-200UnhealthyEveryone may begin to experience health effects; members of sensitive groups may experience more serious health effectsActive children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion
201-300Very UnhealthyHealth warnings of emergency conditions. The entire population is more likely to be affected.Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion.
300+HazardousHealth alert: everyone may experience more serious health effectsEveryone should avoid all outdoor exertion

To know more about Air Quality and Pollution, check the wikipedia Air Quality topic or the airnow guide to Air Quality and Your Health.

For very useful health advices of Beijing Doctor Richard Saint Cyr MD, check www.myhealthbeijing.com blog.


Usage Notice: All the Air Quality data are unvalidated at the time of publication, and due to quality assurance these data may be amended, without notice, at any time. The World Air Quality Index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the World Air Quality Index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data.



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