California
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20140918_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
Sep 18
Fri
Sep 19
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
22 
Chico
Good
Good
 
Death Valley National Park
40 
39 
27 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
17 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
26 
Imperial Valley
41 
44 
34 
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
40 
39 
26 
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
11 
Los Angeles Area
        Antelope Vly
51 
42 
36 
        Anza Vly
57 
42 
63 
        Banning
59 
57 
64 
        Barstow
46 
46 
27 
        Big Bear Lake
42 
42 
 
        C San Bernardino M
84 
51 
53 
        C San Bernardino-1
84 
74 
66 
        C San Bernardino-2
76 
66 
66 
        Capistrano Vly
50 
34 
25 
        Central Coastal
50 
42 
25 
        Central LA CO
59 
50 
52 
        Central Orange-1
53 
50 
24 
        Central Orange-2
57 
50 
24 
        Coachella Vly
51 
51 
42 
        E San Bernardino
66 
66 
32 
        E San Fernando Vly
57 
53 
70 
        E San Gabriel V-1
84 
63 
31 
        E San Gabriel V-2
84 
55 
31 
        East Riverside CO
50 
46 
42 
        Hemet/San Jacinto
57 
50 
63 
        Hesperia
50 
46 
33 
        Lake Elsinore
74 
57 
53 
        Metro Riverside CO
78 
74 
53 
        N Coastal Orange
55 
46 
19 
        NW Coastal LA
50 
46 
24 
        NW San Bernardino
84 
66 
66 
        Norco/Corona
70 
57 
53 
        North Orange CO
63 
42 
24 
        Perris Vly
66 
57 
40 
        Phelan
51 
51 
39 
        Pomona Walnut Vly
72 
55 
28 
        S Central LA CO
42 
50 
16 
        S San Gabriel Vly
51 
46 
19 
        SW Coastal LA
53 
46 
24 
        SW San Bernardino
72 
63 
66 
        Saddleback Vly
50 
42 
25 
        San Gabriel Mts
74 
59 
52 
        Santa Clarita Vly
84 
51 
52 
        South Coastal LA
55 
46 
14 
        Southeast LA CO
59 
46 
24 
        Temecula Vly
63 
46 
63 
        Trona
50 
42 
19 
        Twentynine Palms
46 
46 
27 
        Victorville
50 
46 
33 
        W San Bernardino M
53 
51 
66 
        W San Fernando Vly
53 
46 
70 
        W San Gabriel Vly
84 
53 
70 
Mammoth Lakes
aqi not available
aqi not available
 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
47 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
20 
        Davenport
Good
Good
 
        Hollister
Good
Good
23 
        King City
Good
Good
25 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
28 
        Salinas
Good
Good
28 
        San Lorenzo Valley
Good
Moderate
 
        Santa Cruz
Good
Good
17 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
17 
Paradise
Good
Good
 
Point Reyes
aqi not available
aqi not available
 
Red Bluff
aqi not available
aqi not available
Redding
55 
50 
54 
Sacramento Area
        Auburn
41 
51 
33 
        Davis
32 
44 
23 
        Elk Grove
39 
51 
31 
        Folsom
39 
51 
31 
        Placerville
41 
51 
33 
        Rio Vista
32 
44 
 
        Roseville-Rocklin
41 
51 
33 
        Sacramento
39 
51 
31 
        Vacaville
32 
44 
23 
        Woodland
32 
44 
23 
San Diego Area
        San Diego Coast
Moderate
Good
22 
        San Diego Foothills
Moderate
Good
41 
        San Diego Mesa and Inland Valley
Moderate
Good
35 
San Francisco Area
        Concord
32 
40 
        Fairfield
32 
40 
 
        Fremont
30 
38 
25 
        Livermore
32 
40 
22 
        Napa
31 
46 
11 
        Oakland
30 
42 
18 
        Redwood City
30 
38 
25 
        San Francisco
30 
42 
17 
        San Jose
31 
39 
10 
        San Rafael
31 
46 
43 
        Santa Rosa
31 
46 
 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
49 
45 
15 
        Fresno
58 
85 
 
        Hanford
67 
52 
 
        Madera
46 
91 
 
        Merced
34 
93 
 
        Modesto
36 
95 
15 
        Stockton
36 
97 
        Visalia
46 
48 
12 
San Luis Obispo County
        Atascadero
28 
28 
19 
        Carrizo Plains
37 
36 
23 
        Morro Bay
26 
25 
19 
        Nipomo
40 
38 
19 
        Paso Robles
32 
31 
19 
        Red Hills
36 
36 
24 
        San Luis Obispo
29 
24 
15 
Santa Barbara County
        Carpinteria
Good
Good
22 
Great Basin National Park
Good
Good
24 
Great Basin National Park
aqi not available
aqi not available
32 
Great Basin National Park
aqi not available
aqi not available
32 
Great Basin National Park
32 
aqi not available
32 
Great Basin National Park
aqi not available
aqi not available
32 
Great Basin National Park
aqi not available
32 
32 
Great Basin National Park
Unhealthy
Unhealthy
32 
Great Basin National Park
aqi not available
aqi not available
32 
Great Basin National Park
aqi not available
32 
32 
Great Basin National Park
aqi not available
aqi not available
32 
Great Basin National Park
aqi not available
aqi not available
32 
Great Basin National Park
aqi not available
aqi not available
32 
Great Basin National Park
aqi not available
aqi not available
32 
Great Basin National Park
aqi not available
aqi not available
32 
Great Basin National Park
aqi not available
aqi not available
32 
Great Basin National Park
aqi not available
aqi not available
32 
Great Basin National Park
aqi not available
aqi not available
32 
Great Basin National Park
aqi not available
aqi not available
32 
Great Basin National Park
aqi not available
aqi not available
32 
Great Basin National Park
aqi not available
aqi not available
32 
Great Basin National Park
aqi not available
aqi not available
32