California
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20140420_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
Sun
Apr 20
Mon
Apr 21
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
31 
Bishop Paiute Tribe
aqi not available
aqi not available
31 
Chico
Good
Good
 
Death Valley National Park
45 
47 
 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
32 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
Imperial Valley
67 
84 
56 
Joshua Tree National Park
aqi not available
aqi not available
67 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
38 
37 
41 
Lone Pine Paiute-Shoshone Reservation
aqi not available
aqi not available
35 
Los Angeles Area
        Antelope Vly
46 
46 
 
        Anza Vly
50 
53 
 
        Banning
51 
70 
71 
        Barstow
42 
46 
 
        Big Bear Lake
51 
46 
 
        C San Bernardino M
51 
111 
74 
        C San Bernardino-1
74 
61 
54 
        C San Bernardino-2
76 
59 
49 
        Capistrano Vly
46 
53 
41 
        Central Coastal
46 
55 
38 
        Central LA CO
63 
68 
77 
        Central Orange-1
57 
61 
64 
        Central Orange-2
59 
57 
64 
        Coachella Vly
84 
51 
54 
        E San Bernardino
72 
84 
61 
        E San Fernando Vly
57 
68 
74 
        E San Gabriel V-1
61 
59 
50 
        E San Gabriel V-2
61 
59 
80 
        East Riverside CO
50 
46 
 
        Hemet/San Jacinto
46 
57 
49 
        Hesperia
50 
50 
 
        Lake Elsinore
74 
55 
60 
        Metro Riverside CO
80 
72 
71 
        N Coastal Orange
55 
55 
38 
        NW Coastal LA
46 
57 
38 
        NW San Bernardino
76 
66 
71 
        Norco/Corona
72 
63 
64 
        North Orange CO
59 
59 
40 
        Perris Vly
84 
84 
49 
        Phelan
50 
51 
 
        Pomona Walnut Vly
57 
61 
64 
        S Central LA CO
46 
61 
42 
        S San Gabriel Vly
53 
59 
38 
        SW Coastal LA
50 
55 
36 
        SW San Bernardino
72 
63 
71 
        Saddleback Vly
50 
57 
41 
        San Gabriel Mts
68 
50 
80 
        Santa Clarita Vly
57 
55 
58 
        South Coastal LA
46 
59 
 
        Southeast LA CO
42 
59 
38 
        Temecula Vly
50 
53 
 
        Trona
50 
46 
 
        Twentynine Palms
42 
42 
 
        Victorville
50 
46 
 
        W San Bernardino M
50 
51 
74 
        W San Fernando Vly
55 
59 
68 
        W San Gabriel Vly
57 
59 
49 
Mammoth Lakes
aqi not available
aqi not available
 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
33 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
45 
        Davenport
Good
Good
 
        Hollister
Good
Good
40 
        King City
Good
Good
38 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
44 
        Salinas
Good
Good
60 
        San Lorenzo Valley
Good
Good
20 
        Santa Cruz
Good
Good
60 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
35 
Paradise
Good
Good
 
Point Reyes
aqi not available
aqi not available
 
Red Bluff
aqi not available
aqi not available
 
Redding
45 
50 
45 
Sacramento Area
        Auburn
42 
38 
46 
        Davis
33 
29 
36 
        Elk Grove
46 
42 
42 
        Folsom
46 
42 
42 
        Placerville
aqi not available
aqi not available
 
        Rio Vista
33 
29 
        Roseville-Rocklin
42 
38 
46 
        Sacramento
46 
42 
42 
        Vacaville
33 
29 
36 
        Woodland
33 
29 
36 
San Diego Area
        San Diego Coast
Moderate
Moderate
50 
        San Diego Foothills
Good
Moderate
64 
        San Diego Mesa and Inland Valley
Moderate
Moderate
53 
San Francisco Area
        Concord
42 
39 
17 
        Fairfield
42 
39 
 
        Fremont
40 
38 
23 
        Livermore
42 
39 
18 
        Napa
46 
42 
48 
        Oakland
53 
46 
55 
        Redwood City
40 
38 
23 
        San Francisco
53 
46 
25 
        San Jose
42 
40 
18 
        San Rafael
46 
42 
61 
        Santa Rosa
46 
42 
 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
97 
97 
42 
        Fresno
64 
84 
 
        Hanford
45 
42 
 
        Madera
49 
42 
 
        Merced
49 
36 
 
        Modesto
50 
43 
22 
        Stockton
47 
41 
 
        Visalia
45 
45 
39 
San Luis Obispo County
        Atascadero
39 
37 
39 
        Carrizo Plains
49 
45 
43 
        Morro Bay
35 
34 
31 
        Nipomo
63 
62 
46 
        Paso Robles
45 
40 
39 
        Red Hills
48 
45 
39 
        San Luis Obispo
36 
34 
27 
Santa Barbara County
        Carpinteria
Good
Good
39 
        Gaviota Coast
Good
Good
36 
        Goleta
Good
Good
63 
        Lompoc
Good
Good
40 
        Paradise Road
Good
Good
39 
        Santa Barbara
Good
Good
58 
        Santa Maria
Good
Good
25 
        Santa Ynez
Good
Good
36 
Sequoia/Kings Canyon National Parks
46 
47 
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
46 
        Oxnard
Good
Good
66 
        Piru
Moderate
Moderate
45 
        Simi Valley
Moderate
Moderate
45 
        Thousand Oaks
Good
Moderate
42 
Western Nevada County
52 
48 
46 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
41 
44 
 
Yuba City/Marysville
Good
Good
71 
Yucca Vly
50 
46