California
 
Data courtesy of:
 

AQI Forecast - http://files.airnowtech.org/airnow/today/forecast_aqi_20150902_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
Wed
Sep 2
Thu
Sep 3
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
92 
Bishop Paiute Tribe
aqi not available
aqi not available
92 
Chester
aqi not available
aqi not available
44 
Chico
Good
aqi not available
21 
Death Valley National Park
49 
aqi not available
34 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
44 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
23 
Imperial Valley
50 
53 
30 
Joshua Tree National Park
aqi not available
aqi not available
37 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
47 
aqi not available
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
13 
Los Angeles Area
        Antelope Vly
51 
aqi not available
27 
        Anza Vly
55 
aqi not available
43 
        Banning
84 
aqi not available
69 
        Barstow
46 
aqi not available
28 
        Big Bear Lake
84 
aqi not available
 
        C San Bernardino M
84 
aqi not available
47 
        C San Bernardino-1
84 
aqi not available
79 
        C San Bernardino-2
84 
aqi not available
79 
        Capistrano Vly
55 
aqi not available
23 
        Central Coastal
50 
aqi not available
32 
        Central LA CO
53 
aqi not available
60 
        Central Orange-1
50 
aqi not available
26 
        Central Orange-2
55 
aqi not available
32 
        Coachella Vly
84 
aqi not available
27 
        E San Bernardino
66 
aqi not available
        E San Fernando Vly
55 
aqi not available
60 
        E San Gabriel V-1
68 
aqi not available
60 
        E San Gabriel V-2
61 
aqi not available
60 
        East Riverside CO
50 
aqi not available
25 
        Hemet/San Jacinto
57 
aqi not available
43 
        Hesperia
51 
aqi not available
49 
        Lake Elsinore
84 
aqi not available
58 
        Metro Riverside CO
84 
aqi not available
78 
        N Coastal Orange
46 
aqi not available
35 
        NW Coastal LA
46 
aqi not available
35 
        NW San Bernardino
70 
aqi not available
79 
        Norco/Corona
68 
aqi not available
65 
        North Orange CO
59 
aqi not available
26 
        Perris Vly
84 
aqi not available
19 
        Phelan
50 
aqi not available
31 
        Pomona Walnut Vly
63 
aqi not available
18 
        S Central LA CO
38 
aqi not available
25 
        S San Gabriel Vly
42 
aqi not available
18 
        SW Coastal LA
50 
aqi not available
35 
        SW San Bernardino
66 
aqi not available
79 
        Saddleback Vly
50 
aqi not available
26 
        San Gabriel Mts
63 
aqi not available
60 
        Santa Clarita Vly
84 
aqi not available
44 
        South Coastal LA
46 
aqi not available
35 
        Southeast LA CO
57 
aqi not available
26 
        Temecula Vly
61 
aqi not available
43 
        Trona
50 
aqi not available
31 
        Twentynine Palms
51 
aqi not available
28 
        Victorville
50 
aqi not available
36 
        W San Bernardino M
84 
aqi not available
79 
        W San Fernando Vly
53 
aqi not available
60 
        W San Gabriel Vly
59 
aqi not available
58 
Mammoth Lakes
aqi not available
aqi not available
35 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
20 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
33 
        Davenport
Good
Good
 
        Hollister
Good
Good
23 
        King City
Good
Good
26 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
        Salinas
Good
Good
33 
        San Lorenzo Valley
Good
Good
 
        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
44 
Paradise
Good
aqi not available
34 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
33 
Quincy
aqi not available
aqi not available
33 
Red Bluff
aqi not available
aqi not available
 
Redding
60 
aqi not available
43 
Sacramento Area
        Arden Arcade-Del Paso Manor
43 
42 
56 
        Auburn
46 
42 
46 
        Colfax
46 
42 
32 
        Cool
47 
42 
 
        Davis
36 
36 
35 
        Elk Grove
43 
42 
36 
        Folsom
43 
42 
34 
        Lincoln
46 
42 
24 
        Natomas
43 
42 
14 
        North Highlands
43 
42 
18 
        Placerville
47 
42 
43 
        Rio Vista
36 
36 
26 
        Roseville-Rocklin
46 
42 
40 
        Sacramento
43 
42 
56 
        Sloughhouse
43 
42 
36 
        Vacaville
36 
36 
19 
        Woodland
36 
36 
33 
San Diego Area
        San Diego Coast
Good
aqi not available
45 
        San Diego Foothills
Good
aqi not available
32 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
 
San Francisco Area
        Concord
31 
Good
20 
        Fairfield
31 
Good
18 
        Fremont
28 
Good
21 
        Livermore
31 
Good
28 
        Napa
28 
Good
35 
        Oakland
28 
Good
24 
        Redwood City
28 
Good
        San Francisco
28 
Good
19 
        San Jose
31 
Good
32 
        San Rafael
28 
Good
11 
        Santa Rosa
28 
Good
17 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
80 
Moderate
40 
        Fresno
89 
Moderate
 
        Hanford
55 
Moderate
 
        Madera
64 
Good
 
        Merced
53 
Good
 
        Modesto
55 
Good
19 
        Stockton
53 
Good
28 
        Visalia
68 
Moderate
36 
San Luis Obispo County
        Atascadero
35 
34 
11 
        Carrizo Plains
36 
36 
        Morro Bay
30 
29 
16 
        Nipomo
43 
59 
31 
        Paso Robles
32 
31 
17 
        Red Hills
35 
34 
18 
        San Luis Obispo
26 
26 
18 
Santa Barbara County
        Carpinteria
Good
aqi not available
16 
        Gaviota Coast
Good
aqi not available
22 
        Goleta
Good
aqi not available
33 
        Lompoc
Good
aqi not available
29 
        Paradise Road
Good
aqi not available
        Santa Barbara
Good
aqi not available
18 
        Santa Maria
Good
aqi not available
35 
        Santa Ynez
Good
aqi not available
14 
Sequoia/Kings Canyon National Parks
58 
aqi not available
40 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
62 
Truckee
aqi not available
aqi not available
69 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
26 
Ventura County Area
        Ojai
Good
aqi not available
14 
        Oxnard
Moderate
aqi not available
59 
        Piru
Good
aqi not available
        Simi Valley
Good
aqi not available
56 
        Thousand Oaks
Good
aqi not available
19 
Western Nevada County
aqi not available
aqi not available
36 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
49 
aqi not available
46 
Yuba City/Marysville
Good
aqi not available
19 
Yucca Vly
51 
aqi not available