California
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20140922_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
Mon
Sep 22
Tue
Sep 23
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
25 
Bishop Paiute Tribe
aqi not available
aqi not available
25 
Chico
Moderate
Moderate
 
Death Valley National Park
43 
49 
 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
24 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Moderate
Moderate
123 
Imperial Valley
54 
61 
44 
Joshua Tree National Park
aqi not available
aqi not available
47 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
43 
41 
40 
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
22 
Los Angeles Area
        Antelope Vly
46 
46 
49 
        Anza Vly
51 
53 
45 
        Banning
84 
66 
42 
        Barstow
46 
46 
50 
        Big Bear Lake
46 
46 
 
        C San Bernardino M
84 
111 
80 
        C San Bernardino-1
68 
84 
70 
        C San Bernardino-2
63 
84 
70 
        Capistrano Vly
50 
53 
37 
        Central Coastal
53 
53 
37 
        Central LA CO
63 
59 
51 
        Central Orange-1
53 
55 
43 
        Central Orange-2
53 
53 
43 
        Coachella Vly
84 
53 
43 
        E San Bernardino
84 
84 
61 
        E San Fernando Vly
66 
55 
64 
        E San Gabriel V-1
55 
57 
36 
        E San Gabriel V-2
53 
84 
36 
        East Riverside CO
46 
50 
38 
        Hemet/San Jacinto
53 
55 
67 
        Hesperia
46 
50 
54 
        Lake Elsinore
53 
55 
51 
        Metro Riverside CO
66 
84 
68 
        N Coastal Orange
53 
53 
31 
        NW Coastal LA
55 
53 
31 
        NW San Bernardino
72 
84 
70 
        Norco/Corona
59 
61 
58 
        North Orange CO
55 
55 
43 
        Perris Vly
59 
63 
67 
        Phelan
46 
46 
43 
        Pomona Walnut Vly
57 
59 
39 
        S Central LA CO
55 
53 
24 
        S San Gabriel Vly
55 
53 
27 
        SW Coastal LA
53 
53 
31 
        SW San Bernardino
63 
66 
70 
        Saddleback Vly
53 
53 
43 
        San Gabriel Mts
53 
51 
41 
        Santa Clarita Vly
51 
51 
41 
        South Coastal LA
55 
53 
19 
        Southeast LA CO
57 
55 
43 
        Temecula Vly
50 
53 
45 
        Trona
42 
46 
42 
        Twentynine Palms
46 
46 
50 
        Victorville
46 
50 
42 
        W San Bernardino M
53 
53 
80 
        W San Fernando Vly
68 
55 
64 
        W San Gabriel Vly
57 
55 
64 
Mammoth Lakes
aqi not available
aqi not available
 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
38 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
32 
        Davenport
Good
Good
 
        Hollister
Good
Good
30 
        King City
Good
Good
28 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
42 
        Salinas
Good
Good
42 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
30 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
24 
Paradise
Unhealthy for Sensitive Groups
Unhealthy for Sensitive Groups
47 
Point Reyes
aqi not available
aqi not available
 
Red Bluff
aqi not available
aqi not available
38 
Redding
55 
75 
58 
Sacramento Area
        Auburn
45 
51 
213 
        Davis
41 
44 
62 
        Elk Grove
49 
51 
80 
        Folsom
49 
51 
80 
        Placerville
47 
49 
54 
        Rio Vista
41 
44 
23 
        Roseville-Rocklin
45 
51 
213 
        Sacramento
49 
51 
80 
        Vacaville
41 
44 
62 
        Woodland
41 
44 
62 
San Diego Area
        San Diego Coast
Moderate
Good
32 
        San Diego Foothills
Moderate
Moderate
50 
        San Diego Mesa and Inland Valley
Moderate
Moderate
39 
San Francisco Area
        Concord
38 
35 
26 
        Fairfield
38 
35 
30 
        Fremont
38 
29 
25 
        Livermore
38 
35 
35 
        Napa
42 
33 
37 
        Oakland
38 
38 
40 
        Redwood City
38 
29 
25 
        San Francisco
38 
38 
25 
        San Jose
35 
38 
36 
        San Rafael
42 
33 
25 
        Santa Rosa
42 
33 
 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
97 
90 
58 
        Fresno
71 
64 
50 
        Hanford
54 
54 
44 
        Madera
54 
50 
48 
        Merced
43 
47 
45 
        Modesto
47 
47 
43 
        Stockton
42 
46 
35 
        Visalia
58 
55 
44 
San Luis Obispo County
        Atascadero
39 
38 
26 
        Carrizo Plains
44 
42 
39 
        Morro Bay
31 
30 
26 
        Nipomo
39 
38 
37 
        Paso Robles
39 
39 
28 
        Red Hills
43 
42 
40 
        San Luis Obispo
28 
26 
28 
Santa Barbara County
        Carpinteria
Good
Good
30 
        Gaviota Coast
Good
Good
36 
        Goleta
Good
Good
27 
        Lompoc
Good
Good
25 
        Paradise Road
Good
Good
33 
        Santa Barbara
Good
Good
36 
        Santa Maria
Good
Good
31 
        Santa Ynez
Good
Good
24 
Sequoia/Kings Canyon National Parks
61 
85 
74 
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
47 
Ventura County Area
        Ojai
Moderate
Moderate
38 
        Oxnard
Good
Moderate
35 
        Piru
Good
Moderate
36 
        Simi Valley
Moderate
Moderate
39 
        Thousand Oaks
Good
Good
34 
Western Nevada County
155 
155 
181 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
40 
44 
51 
Yuba City/Marysville
Moderate
Moderate
160 
Yucca Vly
46 
50