California
 
Data courtesy of:
 

AQI Forecast - http://files.airnowtech.org/airnow/today/forecast_aqi_20150903_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
Thu
Sep 3
Fri
Sep 4
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
34 
Bishop Paiute Tribe
aqi not available
aqi not available
31 
Chester
aqi not available
aqi not available
28 
Chico
Good
Good
36 
Death Valley National Park
45 
41 
39 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
34 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
45 
Imperial Valley
50 
56 
38 
Joshua Tree National Park
aqi not available
aqi not available
34 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
37 
36 
36 
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
54 
Los Angeles Area
        Antelope Vly
51 
51 
64 
        Anza Vly
57 
53 
53 
        Banning
57 
55 
38 
        Barstow
46 
42 
25 
        Big Bear Lake
51 
51 
 
        C San Bernardino M
84 
84 
71 
        C San Bernardino-1
68 
68 
51 
        C San Bernardino-2
70 
68 
51 
        Capistrano Vly
50 
50 
31 
        Central Coastal
50 
46 
34 
        Central LA CO
57 
55 
63 
        Central Orange-1
53 
46 
46 
        Central Orange-2
57 
55 
46 
        Coachella Vly
55 
84 
42 
        E San Bernardino
63 
66 
51 
        E San Fernando Vly
55 
50 
63 
        E San Gabriel V-1
63 
57 
51 
        E San Gabriel V-2
63 
59 
51 
        East Riverside CO
50 
50 
 
        Hemet/San Jacinto
61 
59 
53 
        Hesperia
51 
51 
61 
        Lake Elsinore
84 
84 
47 
        Metro Riverside CO
72 
84 
64 
        N Coastal Orange
55 
46 
38 
        NW Coastal LA
53 
46 
38 
        NW San Bernardino
72 
61 
51 
        Norco/Corona
68 
59 
59 
        North Orange CO
55 
57 
46 
        Perris Vly
84 
66 
32 
        Phelan
50 
51 
47 
        Pomona Walnut Vly
66 
61 
35 
        S Central LA CO
42 
42 
29 
        S San Gabriel Vly
46 
42 
25 
        SW Coastal LA
53 
50 
38 
        SW San Bernardino
68 
57 
51 
        Saddleback Vly
50 
50 
46 
        San Gabriel Mts
66 
61 
51 
        Santa Clarita Vly
55 
84 
43 
        South Coastal LA
55 
50 
38 
        Southeast LA CO
59 
55 
46 
        Temecula Vly
61 
59 
53 
        Trona
46 
46 
45 
        Twentynine Palms
51 
51 
25 
        Victorville
50 
50 
44 
        W San Bernardino M
55 
50 
71 
        W San Fernando Vly
53 
50 
63 
        W San Gabriel Vly
61 
57 
39 
Mammoth Lakes
aqi not available
aqi not available
26 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
36 
        Davenport
Good
Good
 
        Hollister
Good
Good
27 
        King City
Moderate
Good
63 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
28 
        Salinas
Good
Good
63 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
23 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
54 
Paradise
Good
Good
42 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
11 
Quincy
aqi not available
aqi not available
40 
Red Bluff
aqi not available
aqi not available
 
Redding
60 
60 
48 
Sacramento Area
        Arden Arcade-Del Paso Manor
40 
45 
52 
        Auburn
42 
44 
19 
        Colfax
42 
44 
14 
        Cool
44 
46 
 
        Davis
34 
36 
39 
        Elk Grove
40 
45 
42 
        Folsom
40 
45 
38 
        Lincoln
42 
44 
 
        Natomas
40 
45 
41 
        North Highlands
40 
45 
36 
        Placerville
44 
46 
42 
        Rio Vista
34 
36 
30 
        Roseville-Rocklin
42 
44 
42 
        Sacramento
40 
45 
52 
        Sloughhouse
40 
45 
42 
        Vacaville
34 
36 
        Woodland
34 
36 
28 
San Diego Area
        San Diego Coast
Good
Good
41 
        San Diego Foothills
Good
Good
55 
        San Diego Mesa and Inland Valley
Moderate
Good
38 
San Francisco Area
        Concord
32 
30 
25 
        Fairfield
32 
30 
 
        Fremont
31 
28 
20 
        Livermore
32 
30 
26 
        Napa
29 
27 
18 
        Oakland
30 
27 
31 
        Redwood City
31 
28 
20 
        San Francisco
30 
27 
20 
        San Jose
31 
29 
24 
        San Rafael
29 
27 
        Santa Rosa
29 
27 
20 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
64 
63 
43 
        Fresno
61 
55 
 
        Hanford
62 
68 
 
        Madera
52 
54 
 
        Merced
46 
49 
 
        Modesto
50 
50 
36 
        Stockton
42 
49 
29 
        Visalia
59 
60 
42 
San Luis Obispo County
        Atascadero
34 
33 
24 
        Carrizo Plains
40 
41 
35 
        Morro Bay
27 
29 
24 
        Nipomo
50 
76 
96 
        Paso Robles
34 
35 
27 
        Red Hills
39 
40 
32 
        San Luis Obispo
28 
30 
27 
Santa Barbara County
        Carpinteria
Good
Good
34 
        Gaviota Coast
Good
Good
38 
        Goleta
Good
Good
39 
        Lompoc
Good
Good
29 
        Paradise Road
Good
Good
31 
        Santa Barbara
Good
Good
36 
        Santa Maria
Good
Good
48 
        Santa Ynez
Good
Good
27 
Sequoia/Kings Canyon National Parks
48 
42 
51 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
50 
Truckee
aqi not available
aqi not available
53 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
36 
Ventura County Area
        Ojai
Good
Good
39 
        Oxnard
Moderate
Moderate
48 
        Piru
Moderate
Moderate
40 
        Simi Valley
Moderate
Moderate
40 
        Thousand Oaks
Moderate
Moderate
37 
Western Nevada County
aqi not available
aqi not available
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
40 
41 
42 
Yuba City/Marysville
Good
aqi not available
45 
Yucca Vly
50 
50