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

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Air Quality Index

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

Stations on the map

There are 134 stations on the map: San Rafael (42) - Sebastopol (25) - Oakland (11) - Oakland West (76) - San Francisco (76) - San Pablo (57) - Concord (53) - Livermore (59) - Redwood City (72) - Gilroy (50) - San Jose - Jackson St. (76) - Vallejo (53) - Los Angeles-North Main Street (42) - Reseda, Los Angeles (28) - Glendora-Laurel, Los Angeles (30) - Santa Clarita-Placerita, Los Angeles (12) - Rubidoux - Mission Blvd, Riverside (57) - Lake Elsinore-W Flint Street, Riverside (31) - Banning-Airport, Riverside (35) - Upland, San Bernardino (21) - Lake Gregory (Crestline), San Bernardino (58) - San Andreas-Gold Strike Road, Calaveras, California (18) - Yosemite Village - Visitor Center, Mariposa, California (9) - Grass Valley-Litton Building, Nevada, California (43) - Truckee - Fire Station, Nevada, California (46) - Colfax-City Hall, Placer, California (46) - Chester, Plumas, California (25) - Quincy-N Church Street, Plumas, California (63) - Mojave, Kern, California (19) - Carmel Valley-Ford Road, Monterey, California (30) - King City - Pearl, Monterey, California (42) - Santa Cruz - Soquel Avenue, Santa Cruz, California (53) - South Long Beach, Los Angeles, California (70) - Mira Loma-Van Buren, Riverside, California (65) - Temecula - Lake Skinner, Riverside, California (29) - CDF - Arroyo Grande, San Luis Obispo, California (39) - Nipomo-Guadalupe Road, San Luis Obispo, California (25) - San Luis Obispo-Higuera Street, San Luis Obispo, California (21) - Goleta-Fairview, Santa Barbara, California (38) - Lompoc-South H Street, Santa Barbara, California (34) - Santa Barbara-National Guard Armory, Santa Barbara, California (43) - Santa Maria - South Broadway, Santa Barbara, California (30) - El Rio-Rio Mesa School #2, Ventura, California (62) - Ojai - East Ojai Av, Ventura, California (91) - Piru - Pacific, Ventura, California (26) - Simi Valley - Cochran Street, Ventura, California (27) - Alpine-Victoria Drive, San Diego, California (36) - Camp Pendleton, San Diego, California (20) - El Cajon-Redwood Avenue, San Diego, California (31) - Clovis-N Villa Avenue, Fresno, California (82) - Fresno - Drummond Street, Fresno, California (56) - Fresno - Garland, Fresno, California (70) - Huron - 4th Street, Fresno, California (17) - Tranquility, Fresno, California (58) - Bakersfield-California Avenue, Kern, California (30) - Lebec, Kern, California (18) - Hanford-S Irwin Street, Kings, California (125) - Madera - Pump Yard, Madera, California (54) - Merced - Coffee Road, Merced, California (89) - Manteca AMS, San Joaquin, California (53) - Stockton-Hazelton, San Joaquin, California (70) - Tracy - Airport, San Joaquin, California (80) - Modesto-14th Street, Stanislaus, California (87) - Porterville, Tulare, California (54) - Visalia, Tulare, California (58) - Bombay Beach, Imperial, California (27) - Calexico-Ethel Street, Imperial, California (61) - Naval Test Base, Imperial, California (17) - Sonny Bono, Imperial, California (18) - Salton Sea Park, Riverside, California (12) - Torres - Martinez, Riverside, California (11) - Chico - East Avenue, Butte, California (75) - Gridley, Butte, California (50) - Colusa-Sunrise Blvd, Colusa, California (59) - Willows-Colusa, Glenn, California (45) - Roseville-N Sunrise Ave, Placer, California (30) - Elk Grove - Bruceville Road, Sacramento, California (72) - Folsom-Natoma Street, Sacramento, California (30) - Sacramento-Del Paso Manor, Sacramento, California (21) - Sacramento - 1309 T Street, Sacramento, California (53) - Anderson-North Street, Shasta, California (65) - Vacaville-Ulatis Drive, Solano, California (38) - Yuba City, Sutter, California (64) - Davis-UCD Campus, Yolo, California (61) - Woodland-Gibson Road, Yolo, California (63) - Turlock-S Minaret Street, Stanislaus, California (85) - Sequoia National Park-Ash Mountain, Tulare, California (54) - Anaheim-Loara School, Orange, California (61) - Paradise - Theater, Butte, California (75) - Thousand Oaks-Moorpark Road, Ventura, California (34) - Ukiah - Library, Mendocino, California (91) - Salton City, Imperial, California (-) - Hollister-Fairview Road, San Benito, California (53) - Niland-English Road, Imperial, California (20) - Sloughhouse, Sacramento, California (24) - Willits - Justice Center, Mendocino, California (61) - Salinas #3, Monterey, California (53) - Livermore - Rincon, Alameda, California (80) - Oakland - East, Alameda, California (12) - Oakland - West, Alameda, California (82) - Concord, Contra Costa, California (53) - San Pablo-Rumrill, Contra Costa, California (55) - San Rafael, Marin, California (42) - San Francisco-Arkansas Street, San Francisco, California (76) - Redwood City, San Mateo, California (93) - San Jose - Jackson St, Santa Clara, California (76) - Vallejo, Solano, California (53) - Gilroy-9th Street, Santa Clara, California (50) - Madera City, Madera, California (54) - Portola - Gulling Street, Plumas, California (74) - Tahoe City-221 Fairway Drive, Placer, California (30) - Auburn-11645 Atwood Road, Placer, California (28) - Lincoln-1445 1st Street, Placer, California (30) - Oakland-Laney College, Alameda, California (22) - Rio Vista-YS, Solano, California (61) - Sebastopol-103 Morris Street, Sonoma, California (21) - Otay Mesa - Donovan Correctional Facility, San Diego, California (28) - Corcoran-Patterson Avenue, Kings, California (86) - Keeler-Cerro Gordo Road, Inyo, California (4) - Tahoe City - 221 Fairway Drive, Placer, California (38) - San Lorenzo Valley Middle School, Santa Cruz, California (30) - Auburn - Atwood Rd, Placer, California (17) - Rio Vista-St Francis Way, Solano, California (50) - Atascadero-Lift Station #5, San Luis Obispo, California (25) - San Jose-Knox Avenue, Santa Clara, California (74) - Red Bluff - Walnut St, Tehama, California (17) - Bishop-Line, Inyo, California (23) - Long Beach-Route 710 Near Road, Los Angeles, California (52) - Ontario-Route 60 Near Road, San Bernardino, California (68) - Atascadero Lift Station #5, San Luis Obispo, California (34) - Berkeley-Aquatic Park, Alameda, California (38) - Sebastopol, Sonoma, California (25) - El Cajon-Lexington Elementary School, San Diego, California (31) - Mexicali-Cobach, Mexicali, California (42)


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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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