California
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20140424_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
Apr 24
Fri
Apr 25
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
19 
Bishop Paiute Tribe
aqi not available
aqi not available
19 
Chico
Good
Good
 
Death Valley National Park
43 
aqi not available
 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
22 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
Imperial Valley
87 
49 
60 
Joshua Tree National Park
aqi not available
aqi not available
47 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
37 
aqi not available
 
Lone Pine Paiute-Shoshone Reservation
aqi not available
aqi not available
28 
Los Angeles Area
        Antelope Vly
46 
42 
 
        Anza Vly
59 
50 
 
        Banning
55 
55 
47 
        Barstow
38 
45 
 
        Big Bear Lake
42 
51 
 
        C San Bernardino M
51 
51 
44 
        C San Bernardino-1
61 
57 
35 
        C San Bernardino-2
66 
51 
31 
        Capistrano Vly
50 
50 
40 
        Central Coastal
50 
50 
43 
        Central LA CO
68 
61 
68 
        Central Orange-1
61 
61 
65 
        Central Orange-2
59 
57 
65 
        Coachella Vly
55 
66 
46 
        E San Bernardino
66 
51 
28 
        E San Fernando Vly
53 
55 
55 
        E San Gabriel V-1
68 
70 
28 
        E San Gabriel V-2
63 
63 
33 
        East Riverside CO
50 
50 
 
        Hemet/San Jacinto
53 
51 
40 
        Hesperia
50 
50 
 
        Lake Elsinore
70 
56 
59 
        Metro Riverside CO
78 
78 
74 
        N Coastal Orange
50 
46 
43 
        NW Coastal LA
57 
50 
22 
        NW San Bernardino
68 
55 
54 
        Norco/Corona
68 
70 
65 
        North Orange CO
66 
63 
35 
        Perris Vly
61 
55 
40 
        Phelan
50 
52 
 
        Pomona Walnut Vly
66 
68 
37 
        S Central LA CO
50 
46 
33 
        S San Gabriel Vly
50 
50 
28 
        SW Coastal LA
53 
50 
 
        SW San Bernardino
68 
57 
54 
        Saddleback Vly
50 
50 
40 
        San Gabriel Mts
63 
66 
33 
        Santa Clarita Vly
57 
55 
14 
        South Coastal LA
55 
50 
 
        Southeast LA CO
68 
66 
28 
        Temecula Vly
63 
50 
 
        Trona
50 
49 
 
        Twentynine Palms
42 
45 
 
        Victorville
50 
50 
 
        W San Bernardino M
50 
51 
54 
        W San Fernando Vly
55 
53 
41 
        W San Gabriel Vly
66 
63 
32 
Mammoth Lakes
aqi not available
aqi not available
 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
38 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
33 
        Davenport
Good
Good
 
        Hollister
Good
Good
31 
        King City
Good
Good
30 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
35 
        Salinas
Good
Good
35 
        San Lorenzo Valley
Moderate
Good
        Santa Cruz
Good
Good
35 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
28 
Paradise
Good
Good
 
Point Reyes
aqi not available
aqi not available
 
Red Bluff
aqi not available
aqi not available
Redding
45 
aqi not available
64 
Sacramento Area
        Auburn
42 
29 
40 
        Davis
42 
29 
28 
        Elk Grove
46 
33 
39 
        Folsom
46 
33 
39 
        Placerville
aqi not available
aqi not available
 
        Rio Vista
42 
29 
 
        Roseville-Rocklin
42 
29 
40 
        Sacramento
46 
33 
39 
        Vacaville
42 
29 
28 
        Woodland
42 
29 
28 
San Diego Area
        San Diego Coast
Moderate
aqi not available
53 
        San Diego Foothills
Good
aqi not available
61 
        San Diego Mesa and Inland Valley
Good
aqi not available
62 
San Francisco Area
        Concord
36 
23 
31 
        Fairfield
36 
23 
31 
        Fremont
34 
20 
40 
        Livermore
36 
23 
39 
        Napa
33 
20 
56 
        Oakland
33 
24 
35 
        Redwood City
34 
20 
40 
        San Francisco
33 
24 
28 
        San Jose
36 
23 
33 
        San Rafael
33 
20 
56 
        Santa Rosa
33 
20 
 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
Good
Good
50 
        Fresno
Moderate
Moderate
35 
        Hanford
Good
Good
35 
        Madera
Good
Good
 
        Merced
Good
Good
 
        Modesto
Good
Good
39 
        Stockton
Good
Good
15 
        Visalia
Good
Good
36 
San Luis Obispo County
        Atascadero
42 
34 
37 
        Carrizo Plains
46 
35 
38 
        Morro Bay
39 
31 
32 
        Nipomo
85 
63 
77 
        Paso Robles
42 
35 
37 
        Red Hills
46 
35 
36 
        San Luis Obispo
37 
32 
33 
Santa Barbara County
        Carpinteria
Good
aqi not available
36 
        Gaviota Coast
Good
aqi not available
41 
        Goleta
Good
aqi not available
42 
        Lompoc
Good
aqi not available
40 
        Paradise Road
Good
aqi not available
36 
        Santa Barbara
Good
aqi not available
52 
        Santa Maria
Good
aqi not available
14 
        Santa Ynez
Good
aqi not available
36 
Sequoia/Kings Canyon National Parks
45 
aqi not available
38 
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
 
Ventura County Area
        Ojai
Good
Good
42 
        Oxnard
Good
Good
39 
        Piru
Good
Good
42 
        Simi Valley
Good
Good
42 
        Thousand Oaks
Good
Good
40 
Western Nevada County
aqi not available
aqi not available
35 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
41 
aqi not available
35 
Yuba City/Marysville
Good
Good
21 
Yucca Vly
50 
50