California
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20150421_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
Tue
Apr 21
Wed
Apr 22
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
22 
Bishop Paiute Tribe
aqi not available
aqi not available
15 
Chico
Good
aqi not available
43 
Death Valley National Park
58 
aqi not available
 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
29 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
44 
Imperial Valley
71 
51 
43 
Joshua Tree National Park
aqi not available
aqi not available
64 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
41 
aqi not available
34 
Laytonville
aqi not available
aqi not available
 
Leggett
aqi not available
aqi not available
 
Lone Pine Paiute-Shoshone Reservation
aqi not available
aqi not available
33 
Los Angeles Area
        Antelope Vly
42 
42 
43 
        Anza Vly
51 
51 
38 
        Banning
61 
51 
41 
        Barstow
42 
42 
24 
        Big Bear Lake
51 
84 
 
        C San Bernardino M
84 
84 
45 
        C San Bernardino-1
78 
63 
55 
        C San Bernardino-2
66 
66 
55 
        Capistrano Vly
50 
50 
37 
        Central Coastal
55 
46 
37 
        Central LA CO
61 
59 
66 
        Central Orange-1
57 
55 
55 
        Central Orange-2
53 
53 
55 
        Coachella Vly
84 
84 
42 
        E San Bernardino
76 
84 
23 
        E San Fernando Vly
55 
57 
57 
        E San Gabriel V-1
63 
61 
55 
        E San Gabriel V-2
57 
55 
55 
        East Riverside CO
42 
42 
45 
        Hemet/San Jacinto
59 
51 
38 
        Hesperia
51 
51 
36 
        Lake Elsinore
61 
63 
33 
        Metro Riverside CO
84 
84 
60 
        N Coastal Orange
55 
46 
51 
        NW Coastal LA
46 
53 
51 
        NW San Bernardino
74 
78 
55 
        Norco/Corona
89 
78 
55 
        North Orange CO
53 
55 
55 
        Perris Vly
70 
59 
29 
        Phelan
51 
51 
45 
        Pomona Walnut Vly
57 
57 
25 
        S Central LA CO
42 
42 
31 
        S San Gabriel Vly
42 
42 
30 
        SW Coastal LA
46 
59 
51 
        SW San Bernardino
63 
61 
55 
        Saddleback Vly
50 
42 
55 
        San Gabriel Mts
59 
57 
58 
        Santa Clarita Vly
84 
84 
58 
        South Coastal LA
59 
42 
51 
        Southeast LA CO
55 
55 
55 
        Temecula Vly
55 
57 
38 
        Trona
42 
42 
40 
        Twentynine Palms
42 
51 
24 
        Victorville
42 
42 
31 
        W San Bernardino M
51 
51 
55 
        W San Fernando Vly
55 
42 
57 
        W San Gabriel Vly
55 
59 
66 
Mammoth Lakes
aqi not available
aqi not available
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
18 
Mono Lake
aqi not available
aqi not available
13 
Monterey Bay Area
        Carmel Valley
Good
Good
50 
        Davenport
Good
Good
 
        Hollister
Good
Good
29 
        King City
Good
Good
35 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
25 
        Salinas
Good
Good
50 
        San Lorenzo Valley
Good
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
33 
Paradise
Good
aqi not available
42 
Point Reyes
aqi not available
aqi not available
 
Red Bluff
aqi not available
aqi not available
 
Redding
60 
aqi not available
66 
Sacramento Area
        Auburn
42 
33 
55 
        Davis
42 
29 
57 
        Elk Grove
46 
38 
58 
        Folsom
46 
38 
58 
        Placerville
aqi not available
aqi not available
22 
        Rio Vista
42 
29 
57 
        Roseville-Rocklin
42 
33 
29 
        Sacramento
46 
38 
58 
        Vacaville
42 
29 
49 
        Woodland
42 
29 
57 
San Diego Area
        San Diego Coast
Good
aqi not available
40 
        San Diego Foothills
Moderate
aqi not available
39 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
36 
San Francisco Area
        Concord
38 
Good
43 
        Fairfield
38 
Good
27 
        Fremont
36 
Good
30 
        Livermore
38 
Good
28 
        Napa
42 
Good
35 
        Oakland
46 
Good
38 
        Redwood City
36 
Good
21 
        San Francisco
46 
Good
28 
        San Jose
38 
Good
42 
        San Rafael
42 
Good
25 
        Santa Rosa
42 
Good
26 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
80 
Moderate
27 
        Fresno
93 
Moderate
 
        Hanford
50 
Good
 
        Madera
46 
Good
 
        Merced
42 
Good
 
        Modesto
54 
Moderate
26 
        Stockton
47 
Good
43 
        Visalia
50 
Good
45 
San Luis Obispo County
        Atascadero
36 
37 
15 
        Carrizo Plains
36 
37 
19 
        Morro Bay
32 
33 
33 
        Nipomo
34 
39 
43 
        Paso Robles
36 
37 
30 
        Red Hills
38 
39 
25 
        San Luis Obispo
35 
36 
31 
Santa Barbara County
        Carpinteria
Good
aqi not available
14 
        Gaviota Coast
Good
aqi not available
29 
        Goleta
Good
aqi not available
37 
        Lompoc
Good
aqi not available
32 
        Paradise Road
Good
aqi not available
 
        Santa Barbara
Good
aqi not available
34 
        Santa Maria
Good
aqi not available
33 
        Santa Ynez
Good
aqi not available
30 
Sequoia/Kings Canyon National Parks
50 
aqi not available
36 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
55 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
23 
Ventura County Area
        Ojai
Good
Good
12 
        Oxnard
Good
Good
33 
        Piru
Good
Good
18 
        Simi Valley
Moderate
Good
53 
        Thousand Oaks
Good
Good
24 
Western Nevada County
55 
50 
60 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
47 
aqi not available
 
Yuba City/Marysville
Good
aqi not available
33 
Yucca Vly
42 
42