California
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20140821_ca_nv.jpg
 
Legend: National Parks/Monuments National Parks/Monuments     Legend: Tribal Boundaries Tribal Boundaries
The tribal boundaries shown here are provided by the Bureau of Indian Affairs and are intended to be used as a general spatial reference only. They are not a formal determination of tribal boundaries by the EPA.
 - http://www.epa.gov/airnow/today/cur_aqi_ca_nv.jpg
 
Legend: National Parks/Monuments National Parks/Monuments     Legend: Tribal Boundaries Tribal Boundaries
The tribal boundaries shown here are provided by the Bureau of Indian Affairs and are intended to be used as a general spatial reference only. They are not a formal determination of tribal boundaries by the EPA.
AQI Animation - http://www.epa.gov/airnow/today/anim_aqi_ca_nv.gif
 
Legend: National Parks/Monuments National Parks/Monuments     Legend: Tribal Boundaries Tribal Boundaries
The tribal boundaries shown here are provided by the Bureau of Indian Affairs and are intended to be used as a general spatial reference only. They are not a formal determination of tribal boundaries by the EPA.
 
AQI: Good (0 - 50) AQI: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500) Action DayAction Day
 
State Air Quality Resources
Amador County Air Pollution Control District
American Lung Association (ALA) of California
Antelope Valley Air Quality Management District
BAAQMD Spare the Air 2002
Bay Area Air Quality Management District (BAAQMD)
Butte County Air Pollution Control District
California Air Resources Board (CARB)
California Environmental Protection Agency
California Environmental Protection Agency - Contact Us
Colusa County Air Pollution Control District
El Dorado County Air Quality Management District
Feather River Air Quality Management District
Glenn County Air Pollution Control District
Kern County Air Pollution Control District
Mendocino County Air Quality Management District
Mojave Desert Air Quality Management District
Monterey Bay Unified Air Pollution Control District
North Coast Unified Air Quality Management District
Northern Sierra Air Quality Management District
Placer County Air Pollution Control District
Sacramento Metro Air Quality Management District
Sacramento Metropolitan Air Quality Management District
San Diego County Air Pollution Control District
San Joaquin Valley Air Pollution Control District
San Luis Obispo County Air Pollution Control District
Santa Barbara County Air Pollution Control District
Shasta County Air Quality Management District
South Coast Air Quality Management District
Ventura County Air Pollution Control District
Yolo-Solano Air Quality Management District
Click on the city name for more detailed information.

printable summary
FORECAST CURRENT
AQI
Thu
Aug 21
Fri
Aug 22
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
20 
Bishop Paiute Tribe
aqi not available
aqi not available
20 
Chico
Good
Good
 
Death Valley National Park
38 
46 
34 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
14 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
31 
Imperial Valley
46 
51 
42 
Joshua Tree National Park
aqi not available
aqi not available
41 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
39 
41 
37 
Laytonville
Moderate
aqi not available
 
Leggett
Moderate
Moderate
 
Lone Pine Paiute-Shoshone Reservation
aqi not available
aqi not available
14 
Los Angeles Area
        Antelope Vly
42 
42 
36 
        Anza Vly
46 
50 
 
        Banning
55 
57 
61 
        Barstow
42 
42 
42 
        Big Bear Lake
51 
42 
 
        C San Bernardino M
84 
84 
30 
        C San Bernardino-1
59 
68 
64 
        C San Bernardino-2
61 
63 
64 
        Capistrano Vly
46 
50 
38 
        Central Coastal
42 
42 
38 
        Central LA CO
46 
42 
56 
        Central Orange-1
42 
46 
64 
        Central Orange-2
50 
50 
64 
        Coachella Vly
51 
84 
36 
        E San Bernardino
63 
84 
28 
        E San Fernando Vly
50 
42 
66 
        E San Gabriel V-1
59 
66 
48 
        E San Gabriel V-2
53 
59 
48 
        East Riverside CO
42 
46 
33 
        Hemet/San Jacinto
53 
57 
31 
        Hesperia
42 
46 
 
        Lake Elsinore
61 
66 
56 
        Metro Riverside CO
72 
74 
72 
        N Coastal Orange
42 
38 
31 
        NW Coastal LA
42 
42 
32 
        NW San Bernardino
59 
66 
64 
        Norco/Corona
63 
66 
72 
        North Orange CO
50 
55 
64 
        Perris Vly
57 
61 
71 
        Phelan
51 
50 
36 
        Pomona Walnut Vly
55 
61 
36 
        S Central LA CO
50 
46 
34 
        S San Gabriel Vly
38 
38 
37 
        SW Coastal LA
38 
46 
31 
        SW San Bernardino
51 
63 
64 
        Saddleback Vly
42 
46 
64 
        San Gabriel Mts
57 
61 
53 
        Santa Clarita Vly
51 
84 
53 
        South Coastal LA
38 
34 
31 
        Southeast LA CO
53 
53 
64 
        Temecula Vly
55 
57 
 
        Trona
42 
42 
34 
        Twentynine Palms
51 
42 
42 
        Victorville
42 
46 
 
        W San Bernardino M
51 
50 
64 
        W San Fernando Vly
42 
42 
66 
        W San Gabriel Vly
51 
53 
66 
Mammoth Lakes
aqi not available
aqi not available
 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Moderate
Moderate
43 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
26 
        Davenport
Good
Good
 
        Hollister
Good
Good
31 
        King City
Good
Good
33 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
37 
        Salinas
Good
Good
37 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
20 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
14 
Paradise
Good
Good
41 
Point Reyes
aqi not available
aqi not available
 
Red Bluff
aqi not available
aqi not available
Redding
60 
aqi not available
55 
Sacramento Area
        Auburn
54 
49 
40 
        Davis
39 
39 
39 
        Elk Grove
51 
49 
38 
        Folsom
51 
49 
38 
        Placerville
54 
49 
39 
        Rio Vista
39 
39 
29 
        Roseville-Rocklin
54 
49 
40 
        Sacramento
51 
49 
38 
        Vacaville
39 
39 
39 
        Woodland
39 
39 
39 
San Diego Area
        San Diego Coast
Good
Good
36 
        San Diego Foothills
Good
Moderate
37 
        San Diego Mesa and Inland Valley
Good
Good
44 
San Francisco Area
        Concord
33 
34 
 
        Fairfield
33 
34 
 
        Fremont
26 
28 
 
        Livermore
33 
34 
 
        Napa
33 
38 
 
        Oakland
38 
33 
 
        Redwood City
26 
28 
 
        San Francisco
38 
33 
 
        San Jose
34 
30 
 
        San Rafael
33 
38 
 
        Santa Rosa
33 
38 
 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
55 
104 
52 
        Fresno
64 
100 
54 
        Hanford
55 
61 
42 
        Madera
68 
67 
42 
        Merced
47 
58 
39 
        Modesto
64 
58 
37 
        Stockton
43 
50 
33 
        Visalia
64 
67 
58 
San Luis Obispo County
        Atascadero
38 
40 
40 
        Carrizo Plains
45 
48 
39 
        Morro Bay
30 
33 
23 
        Nipomo
38 
40 
33 
        Paso Robles
37 
40 
40 
        Red Hills
43 
46 
36 
        San Luis Obispo
33 
36 
24 
Santa Barbara County
        Carpinteria
Good
Good
31 
        Gaviota Coast
Good
Good
33 
        Goleta
Good
Good
29 
        Lompoc
Good
Good
28 
        Paradise Road
Good
Good
36 
        Santa Barbara
Good
Good
41 
        Santa Maria
Good
Good
25 
        Santa Ynez
Good
Good
36 
Sequoia/Kings Canyon National Parks
48 
48 
51 
South Lake Tahoe
aqi not available
aqi not available
 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
39 
Ventura County Area
        Ojai
Good
Good
42 
        Oxnard
Good
Good
30 
        Piru
Good
Moderate
45 
        Simi Valley
Good
Moderate
47 
        Thousand Oaks
Good
Good
36 
Western Nevada County
70 
70 
47 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
43 
45 
 
Yuba City/Marysville
Moderate
Moderate
35 
Yucca Vly
42 
46