California
 
Data courtesy of:
 

AQI Forecast - http://files.airnowtech.org/airnow/today/forecast_aqi_20150904_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://files.airnowtech.org/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://files.airnowtech.org/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
Fri
Sep 4
Sat
Sep 5
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
65 
Bishop Paiute Tribe
aqi not available
aqi not available
65 
Chester
aqi not available
aqi not available
36 
Chico
Good
Good
31 
Death Valley National Park
41 
aqi not available
41 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
68 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
41 
Imperial Valley
59 
56 
33 
Joshua Tree National Park
aqi not available
aqi not available
30 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
36 
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
51 
Los Angeles Area
        Antelope Vly
51 
aqi not available
29 
        Anza Vly
53 
aqi not available
38 
        Banning
55 
aqi not available
60 
        Barstow
42 
aqi not available
23 
        Big Bear Lake
51 
aqi not available
 
        C San Bernardino M
84 
aqi not available
28 
        C San Bernardino-1
68 
aqi not available
50 
        C San Bernardino-2
68 
aqi not available
50 
        Capistrano Vly
50 
aqi not available
29 
        Central Coastal
46 
aqi not available
33 
        Central LA CO
55 
aqi not available
55 
        Central Orange-1
46 
aqi not available
38 
        Central Orange-2
55 
aqi not available
38 
        Coachella Vly
84 
aqi not available
30 
        E San Bernardino
66 
aqi not available
17 
        E San Fernando Vly
50 
aqi not available
55 
        E San Gabriel V-1
57 
aqi not available
51 
        E San Gabriel V-2
59 
aqi not available
51 
        East Riverside CO
50 
aqi not available
 
        Hemet/San Jacinto
59 
aqi not available
38 
        Hesperia
51 
aqi not available
31 
        Lake Elsinore
84 
aqi not available
40 
        Metro Riverside CO
84 
aqi not available
61 
        N Coastal Orange
46 
aqi not available
36 
        NW Coastal LA
46 
aqi not available
36 
        NW San Bernardino
61 
aqi not available
50 
        Norco/Corona
59 
aqi not available
53 
        North Orange CO
57 
aqi not available
38 
        Perris Vly
66 
aqi not available
24 
        Phelan
51 
aqi not available
31 
        Pomona Walnut Vly
61 
aqi not available
17 
        S Central LA CO
42 
aqi not available
25 
        S San Gabriel Vly
42 
aqi not available
19 
        SW Coastal LA
50 
aqi not available
36 
        SW San Bernardino
57 
aqi not available
50 
        Saddleback Vly
50 
aqi not available
38 
        San Gabriel Mts
61 
aqi not available
51 
        Santa Clarita Vly
84 
aqi not available
43 
        South Coastal LA
50 
aqi not available
36 
        Southeast LA CO
55 
aqi not available
38 
        Temecula Vly
59 
aqi not available
38 
        Trona
46 
aqi not available
31 
        Twentynine Palms
51 
aqi not available
23 
        Victorville
50 
aqi not available
19 
        W San Bernardino M
50 
aqi not available
50 
        W San Fernando Vly
50 
aqi not available
55 
        W San Gabriel Vly
57 
aqi not available
38 
Mammoth Lakes
aqi not available
aqi not available
68 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
34 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
19 
        Davenport
Good
Good
 
        Hollister
Good
Good
25 
        King City
Good
Good
44 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
14 
        Salinas
Good
Good
44 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
24 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
51 
Paradise
Good
Good
31 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
40 
Quincy
aqi not available
aqi not available
 
Red Bluff
aqi not available
aqi not available
 
Redding
60 
aqi not available
70 
Sacramento Area
        Arden Arcade-Del Paso Manor
45 
47 
43 
        Auburn
44 
47 
28 
        Colfax
44 
47 
38 
        Cool
46 
49 
 
        Davis
36 
38 
51 
        Elk Grove
45 
47 
38 
        Folsom
45 
47 
25 
        Lincoln
44 
47 
30 
        Natomas
45 
47 
14 
        North Highlands
45 
47 
15 
        Placerville
46 
49 
31 
        Rio Vista
36 
38 
40 
        Roseville-Rocklin
44 
47 
41 
        Sacramento
45 
47 
43 
        Sloughhouse
45 
47 
38 
        Vacaville
36 
38 
        Woodland
36 
38 
24 
San Diego Area
        San Diego Coast
Good
aqi not available
49 
        San Diego Foothills
Good
aqi not available
42 
        San Diego Mesa and Inland Valley
Good
aqi not available
37 
San Francisco Area
        Concord
30 
Good
18 
        Fairfield
30 
Good
19 
        Fremont
28 
Good
15 
        Livermore
30 
Good
37 
        Napa
27 
Good
28 
        Oakland
27 
Good
38 
        Redwood City
28 
Good
15 
        San Francisco
27 
Good
31 
        San Jose
29 
Good
28 
        San Rafael
27 
Good
31 
        Santa Rosa
27 
Good
30 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
63 
53 
45 
        Fresno
55 
53 
 
        Hanford
68 
53 
 
        Madera
54 
41 
 
        Merced
49 
36 
 
        Modesto
50 
51 
29 
        Stockton
49 
36 
48 
        Visalia
60 
47 
38 
San Luis Obispo County
        Atascadero
33 
34 
24 
        Carrizo Plains
41 
43 
19 
        Morro Bay
29 
30 
20 
        Nipomo
76 
53 
36 
        Paso Robles
35 
36 
19 
        Red Hills
40 
43 
19 
        San Luis Obispo
30 
32 
32 
Santa Barbara County
        Carpinteria
Good
aqi not available
21 
        Gaviota Coast
Good
aqi not available
29 
        Goleta
Good
aqi not available
45 
        Lompoc
Good
aqi not available
39 
        Paradise Road
Good
aqi not available
17 
        Santa Barbara
Good
aqi not available
25 
        Santa Maria
Good
aqi not available
44 
        Santa Ynez
Good
aqi not available
20 
Sequoia/Kings Canyon National Parks
42 
aqi not available
45 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
39 
Truckee
aqi not available
aqi not available
49 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
22 
Ventura County Area
        Ojai
Good
Good
19 
        Oxnard
Moderate
Moderate
45 
        Piru
Moderate
Moderate
14 
        Simi Valley
Moderate
Moderate
33 
        Thousand Oaks
Moderate
Moderate
27 
Western Nevada County
aqi not available
aqi not available
20 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
41 
aqi not available
37 
Yuba City/Marysville
aqi not available
aqi not available
35 
Yucca Vly
50 
aqi not available