California
 
Data courtesy of:
 

AQI Forecast - http://files.airnowtech.org/airnow/today/forecast_aqi_20150901_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
Tue
Sep 1
Wed
Sep 2
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
28 
Bishop Paiute Tribe
aqi not available
aqi not available
28 
Chester
aqi not available
aqi not available
 
Chico
Good
Good
47 
Death Valley National Park
50 
49 
 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
31 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
30 
Imperial Valley
50 
50 
51 
Joshua Tree National Park
aqi not available
aqi not available
 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
48 
47 
 
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
52 
Los Angeles Area
        Antelope Vly
53 
51 
61 
        Anza Vly
57 
55 
57 
        Banning
72 
84 
42 
        Barstow
50 
46 
38 
        Big Bear Lake
84 
84 
 
        C San Bernardino M
137 
84 
77 
        C San Bernardino-1
95 
84 
61 
        C San Bernardino-2
111 
84 
61 
        Capistrano Vly
59 
55 
31 
        Central Coastal
55 
50 
32 
        Central LA CO
68 
53 
64 
        Central Orange-1
57 
50 
49 
        Central Orange-2
59 
55 
49 
        Coachella Vly
76 
84 
45 
        E San Bernardino
111 
66 
42 
        E San Fernando Vly
59 
55 
64 
        E San Gabriel V-1
84 
68 
59 
        E San Gabriel V-2
84 
61 
59 
        East Riverside CO
55 
50 
33 
        Hemet/San Jacinto
63 
57 
57 
        Hesperia
55 
51 
71 
        Lake Elsinore
84 
84 
53 
        Metro Riverside CO
111 
84 
61 
        N Coastal Orange
55 
46 
44 
        NW Coastal LA
55 
46 
44 
        NW San Bernardino
84 
70 
61 
        Norco/Corona
70 
68 
61 
        North Orange CO
66 
59 
49 
        Perris Vly
66 
84 
30 
        Phelan
84 
50 
46 
        Pomona Walnut Vly
74 
63 
30 
        S Central LA CO
46 
38 
23 
        S San Gabriel Vly
51 
42 
19 
        SW Coastal LA
50 
50 
44 
        SW San Bernardino
72 
66 
61 
        Saddleback Vly
50 
50 
49 
        San Gabriel Mts
74 
63 
59 
        Santa Clarita Vly
84 
84 
48 
        South Coastal LA
55 
46 
44 
        Southeast LA CO
66 
57 
49 
        Temecula Vly
66 
61 
57 
        Trona
55 
50 
36 
        Twentynine Palms
51 
51 
38 
        Victorville
55 
50 
40 
        W San Bernardino M
84 
84 
77 
        W San Fernando Vly
57 
53 
64 
        W San Gabriel Vly
84 
59 
44 
Mammoth Lakes
aqi not available
aqi not available
31 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
35 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
44 
        Davenport
Good
Good
 
        Hollister
Good
Good
34 
        King City
Good
Good
54 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
 
        Salinas
Good
Good
54 
        San Lorenzo Valley
Good
Good
 
        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
52 
Paradise
Good
Good
58 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
 
Quincy
aqi not available
aqi not available
 
Red Bluff
aqi not available
aqi not available
 
Redding
60 
60 
59 
Sacramento Area
        Arden Arcade-Del Paso Manor
47 
43 
62 
        Auburn
51 
46 
 
        Colfax
51 
46 
38 
        Cool
51 
47 
 
        Davis
38 
36 
36 
        Elk Grove
47 
43 
77 
        Folsom
47 
43 
48 
        Lincoln
51 
46 
19 
        Natomas
47 
43 
33 
        North Highlands
47 
43 
37 
        Placerville
51 
47 
67 
        Rio Vista
38 
36 
32 
        Roseville-Rocklin
51 
46 
52 
        Sacramento
47 
43 
62 
        Sloughhouse
47 
43 
77 
        Vacaville
38 
36 
15 
        Woodland
38 
36 
23 
San Diego Area
        San Diego Coast
Good
Good
52 
        San Diego Foothills
Moderate
Good
45 
        San Diego Mesa and Inland Valley
Moderate
Moderate
 
San Francisco Area
        Concord
33 
31 
38 
        Fairfield
33 
31 
27 
        Fremont
29 
28 
21 
        Livermore
33 
31 
35 
        Napa
29 
28 
48 
        Oakland
29 
28 
46 
        Redwood City
29 
28 
19 
        San Francisco
29 
28 
41 
        San Jose
34 
31 
46 
        San Rafael
29 
28 
29 
        Santa Rosa
29 
28 
34 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
80 
80 
51 
        Fresno
72 
89 
 
        Hanford
59 
55 
 
        Madera
54 
64 
 
        Merced
46 
53 
 
        Modesto
44 
55 
48 
        Stockton
42 
53 
61 
        Visalia
64 
68 
48 
San Luis Obispo County
        Atascadero
36 
35 
30 
        Carrizo Plains
37 
36 
33 
        Morro Bay
30 
30 
24 
        Nipomo
44 
43 
25 
        Paso Robles
32 
32 
28 
        Red Hills
35 
35 
30 
        San Luis Obispo
27 
26 
21 
Santa Barbara County
        Carpinteria
Good
Good
27 
        Gaviota Coast
Good
Good
36 
        Goleta
Good
Good
55 
        Lompoc
Good
Good
38 
        Paradise Road
Good
Good
31 
        Santa Barbara
Good
Good
29 
        Santa Maria
Good
Good
33 
        Santa Ynez
Good
Good
26 
Sequoia/Kings Canyon National Parks
77 
58 
 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
60 
Truckee
aqi not available
aqi not available
 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
54 
Evansville
22 
Good
22 
Evansville
111 
22 
 
Evansville
Moderate
26 
22 
Evansville
111 
32 
22 
Evansville
111 
111 
22 
Evansville
111 
111 
22 
Evansville
111 
111 
22 
Evansville
111 
111 
22 
Evansville
111 
111 
22 
Evansville
111 
111 
22