California
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20140419_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
Sat
Apr 19
Sun
Apr 20
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
16 
Bishop Paiute Tribe
aqi not available
aqi not available
16 
Chico
Good
Good
 
Death Valley National Park
48 
45 
 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
37 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
52 
Imperial Valley
51 
67 
55 
Joshua Tree National Park
aqi not available
aqi not available
49 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
38 
38 
39 
Lone Pine Paiute-Shoshone Reservation
aqi not available
aqi not available
40 
Los Angeles Area
        Antelope Vly
42 
46 
 
        Anza Vly
53 
50 
 
        Banning
51 
51 
60 
        Barstow
42 
42 
 
        Big Bear Lake
51 
51 
 
        C San Bernardino M
84 
51 
41 
        C San Bernardino-1
72 
74 
36 
        C San Bernardino-2
66 
76 
35 
        Capistrano Vly
50 
46 
36 
        Central Coastal
46 
46 
36 
        Central LA CO
70 
63 
79 
        Central Orange-1
50 
57 
66 
        Central Orange-2
55 
59 
66 
        Coachella Vly
84 
84 
49 
        E San Bernardino
84 
72 
32 
        E San Fernando Vly
53 
57 
75 
        E San Gabriel V-1
59 
61 
29 
        E San Gabriel V-2
55 
61 
36 
        East Riverside CO
42 
50 
 
        Hemet/San Jacinto
53 
46 
42 
        Hesperia
42 
50 
 
        Lake Elsinore
66 
74 
59 
        Metro Riverside CO
76 
80 
74 
        N Coastal Orange
46 
55 
36 
        NW Coastal LA
53 
46 
38 
        NW San Bernardino
63 
76 
66 
        Norco/Corona
66 
72 
66 
        North Orange CO
55 
59 
30 
        Perris Vly
63 
84 
42 
        Phelan
51 
50 
 
        Pomona Walnut Vly
57 
57 
34 
        S Central LA CO
42 
46 
36 
        S San Gabriel Vly
46 
53 
28 
        SW Coastal LA
55 
50 
42 
        SW San Bernardino
55 
72 
66 
        Saddleback Vly
50 
50 
36 
        San Gabriel Mts
55 
68 
61 
        Santa Clarita Vly
53 
57 
61 
        South Coastal LA
55 
46 
 
        Southeast LA CO
57 
42 
28 
        Temecula Vly
57 
50 
 
        Trona
42 
50 
 
        Twentynine Palms
51 
42 
 
        Victorville
42 
50 
 
        W San Bernardino M
53 
50 
66 
        W San Fernando Vly
50 
55 
61 
        W San Gabriel Vly
55 
57 
34 
Mammoth Lakes
aqi not available
aqi not available
 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
28 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
36 
        Davenport
Good
Good
 
        Hollister
Good
Good
36 
        King City
Good
Good
38 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
40 
        Salinas
Good
Good
40 
        San Lorenzo Valley
Good
Good
29 
        Santa Cruz
Good
Good
33 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
40 
Paradise
Good
Good
 
Point Reyes
aqi not available
aqi not available
 
Red Bluff
aqi not available
aqi not available
 
Redding
45 
45 
77 
Sacramento Area
        Auburn
50 
42 
50 
        Davis
46 
33 
40 
        Elk Grove
53 
46 
39 
        Folsom
53 
46 
39 
        Placerville
aqi not available
aqi not available
 
        Rio Vista
46 
33 
30 
        Roseville-Rocklin
50 
42 
50 
        Sacramento
53 
46 
39 
        Vacaville
46 
33 
40 
        Woodland
46 
33 
40 
San Diego Area
        San Diego Coast
Moderate
Moderate
58 
        San Diego Foothills
Good
Good
45 
        San Diego Mesa and Inland Valley
Good
Moderate
40 
San Francisco Area
        Concord
41 
42 
 
        Fairfield
41 
42 
 
        Fremont
39 
40 
 
        Livermore
41 
42 
 
        Napa
38 
46 
 
        Oakland
42 
53 
 
        Redwood City
39 
40 
 
        San Francisco
42 
53 
 
        San Jose
40 
42 
 
        San Rafael
38 
46 
 
        Santa Rosa
38 
46 
 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
97 
97 
45 
        Fresno
54 
64 
 
        Hanford
49 
45 
 
        Madera
49 
49 
 
        Merced
48 
49 
 
        Modesto
64 
50 
34 
        Stockton
47 
47 
63 
        Visalia
42 
45 
56 
San Luis Obispo County
        Atascadero
36 
39 
56 
        Carrizo Plains
44 
49 
33 
        Morro Bay
34 
35 
36 
        Nipomo
73 
63 
55 
        Paso Robles
39 
45 
56 
        Red Hills
44 
48 
31 
        San Luis Obispo
34 
36 
37 
Santa Barbara County
        Carpinteria
Good
Good
34 
        Gaviota Coast
Good
Good
32 
        Goleta
Good
Good
57 
        Lompoc
Good
Good
36 
        Paradise Road
Good
Good
31 
        Santa Barbara
Good
Good
41 
        Santa Maria
Good
Good
36 
        Santa Ynez
Good
Good
27 
Sequoia/Kings Canyon National Parks
46 
46 
52 
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
39 
        Oxnard
Moderate
Good
52 
        Piru
Moderate
Moderate
39 
        Simi Valley
Moderate
Moderate
57 
        Thousand Oaks
Moderate
Good
40 
Western Nevada County
52 
52 
43 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
44 
41 
 
Yuba City/Marysville
Good
Good
53 
Yucca Vly
42 
50