California
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20141217_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
Wed
Dec 17
Thu
Dec 18
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
10 
Bishop Paiute Tribe
aqi not available
aqi not available
Chico
Good
Good
19 
Death Valley National Park
38 
36 
 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
10 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
27 
Imperial Valley
aqi not available
aqi not available
59 
Joshua Tree National Park
aqi not available
aqi not available
36 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
37 
36 
30 
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
15 
Los Angeles Area
        Antelope Vly
42 
29 
30 
        Anza Vly
42 
33 
33 
        Banning
46 
33 
31 
        Barstow
34 
30 
22 
        Big Bear Lake
42 
25 
 
        C San Bernardino M
46 
29 
54 
        C San Bernardino-1
63 
72 
28 
        C San Bernardino-2
59 
57 
28 
        Capistrano Vly
42 
29 
29 
        Central Coastal
46 
33 
29 
        Central LA CO
57 
53 
23 
        Central Orange-1
57 
46 
38 
        Central Orange-2
55 
50 
38 
        Coachella Vly
50 
50 
24 
        E San Bernardino
42 
29 
10 
        E San Fernando Vly
46 
46 
40 
        E San Gabriel V-1
46 
55 
35 
        E San Gabriel V-2
46 
53 
35 
        East Riverside CO
29 
33 
 
        Hemet/San Jacinto
33 
38 
33 
        Hesperia
29 
33 
25 
        Lake Elsinore
57 
50 
28 
        Metro Riverside CO
63 
76 
42 
        N Coastal Orange
55 
42 
29 
        NW Coastal LA
50 
46 
25 
        NW San Bernardino
57 
57 
28 
        Norco/Corona
53 
57 
38 
        North Orange CO
50 
38 
38 
        Perris Vly
50 
53 
42 
        Phelan
38 
42 
29 
        Pomona Walnut Vly
50 
57 
16 
        S Central LA CO
42 
42 
12 
        S San Gabriel Vly
42 
38 
15 
        SW Coastal LA
59 
50 
25 
        SW San Bernardino
42 
59 
28 
        Saddleback Vly
33 
25 
38 
        San Gabriel Mts
46 
50 
35 
        Santa Clarita Vly
29 
38 
21 
        South Coastal LA
59 
50 
19 
        Southeast LA CO
53 
55 
38 
        Temecula Vly
50 
38 
33 
        Trona
29 
33 
19 
        Twentynine Palms
34 
25 
22 
        Victorville
29 
33 
25 
        W San Bernardino M
42 
50 
54 
        W San Fernando Vly
46 
46 
40 
        W San Gabriel Vly
50 
50 
40 
Mammoth Lakes
aqi not available
aqi not available
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
64 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
31 
        Davenport
Good
Good
 
        Hollister
Good
Good
25 
        King City
Good
Good
14 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
 
        Salinas
Good
Good
31 
        San Lorenzo Valley
Good
Moderate
 
        Santa Cruz
Good
Good
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
15 
Paradise
Good
Good
30 
Point Reyes
aqi not available
aqi not available
 
Red Bluff
aqi not available
aqi not available
Redding
65 
70 
53 
Sacramento Area
        Auburn
29 
63 
32 
        Davis
42 
74 
33 
        Elk Grove
42 
76 
28 
        Folsom
42 
76 
28 
        Placerville
aqi not available
aqi not available
27 
        Rio Vista
42 
74 
26 
        Roseville-Rocklin
29 
63 
26 
        Sacramento
42 
76 
28 
        Vacaville
42 
74 
33 
        Woodland
42 
74 
33 
San Diego Area
        San Diego Coast
Good
50 
36 
        San Diego Foothills
Good
50 
31 
        San Diego Mesa and Inland Valley
Good
50 
28 
San Francisco Area
        Concord
29 
38 
33 
        Fairfield
29 
38 
23 
        Fremont
25 
42 
31 
        Livermore
29 
38 
34 
        Napa
63 
68 
57 
        Oakland
38 
57 
40 
        Redwood City
25 
42 
31 
        San Francisco
38 
57 
25 
        San Jose
33 
42 
35 
        San Rafael
63 
68 
44 
        Santa Rosa
63 
68 
 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
33 
59 
24 
        Fresno
33 
55 
 
        Hanford
38 
55 
 
        Madera
21 
42 
 
        Merced
33 
46 
 
        Modesto
38 
46 
15 
        Stockton
38 
33 
22 
        Visalia
33 
57 
43 
San Luis Obispo County
        Atascadero
25 
20 
22 
        Carrizo Plains
29 
28 
23 
        Morro Bay
20 
21 
15 
        Nipomo
29 
25 
36 
        Paso Robles
29 
21 
22 
        Red Hills
34 
30 
29 
        San Luis Obispo
26 
27 
33 
Santa Barbara County
        Carpinteria
Good
Good
13 
        Gaviota Coast
Good
Good
31 
        Goleta
Good
Good
25 
        Lompoc
Good
Good
30 
        Paradise Road
Good
Good
24 
        Santa Barbara
Good
Good
25 
        Santa Maria
Good
Good
38 
        Santa Ynez
Good
Good
23 
Sequoia/Kings Canyon National Parks
38 
37 
23 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
22 
Ventura County Area
        Ojai
Good
Good
14 
        Oxnard
Good
Good
26 
        Piru
Good
Good
17 
        Simi Valley
Good
Good
21 
        Thousand Oaks
Good
Good
24 
Western Nevada County
30 
30 
33 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
37 
36 
 
Yuba City/Marysville
Good
Good
19 
Yucca Vly
29 
33