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
35 
Bishop Paiute Tribe
aqi not available
aqi not available
31 
Chester
aqi not available
aqi not available
25 
Chico
Good
Good
36 
Death Valley National Park
49 
45 
 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
67 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
31 
Imperial Valley
50 
53 
35 
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
47 
37 
 
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
66 
Los Angeles Area
        Antelope Vly
51 
51 
80 
        Anza Vly
55 
57 
62 
        Banning
84 
57 
42 
        Barstow
46 
46 
38 
        Big Bear Lake
84 
51 
 
        C San Bernardino M
84 
84 
84 
        C San Bernardino-1
84 
68 
66 
        C San Bernardino-2
84 
70 
66 
        Capistrano Vly
55 
50 
34 
        Central Coastal
50 
50 
34 
        Central LA CO
53 
57 
61 
        Central Orange-1
50 
53 
48 
        Central Orange-2
55 
57 
48 
        Coachella Vly
84 
55 
40 
        E San Bernardino
66 
63 
47 
        E San Fernando Vly
55 
55 
61 
        E San Gabriel V-1
68 
63 
66 
        E San Gabriel V-2
61 
63 
66 
        East Riverside CO
50 
50 
 
        Hemet/San Jacinto
57 
61 
62 
        Hesperia
51 
51 
93 
        Lake Elsinore
84 
84 
44 
        Metro Riverside CO
84 
72 
63 
        N Coastal Orange
46 
55 
36 
        NW Coastal LA
46 
53 
36 
        NW San Bernardino
70 
72 
66 
        Norco/Corona
68 
68 
63 
        North Orange CO
59 
55 
48 
        Perris Vly
84 
84 
36 
        Phelan
50 
50 
50 
        Pomona Walnut Vly
63 
66 
35 
        S Central LA CO
38 
42 
25 
        S San Gabriel Vly
42 
46 
24 
        SW Coastal LA
50 
53 
36 
        SW San Bernardino
66 
68 
66 
        Saddleback Vly
50 
50 
48 
        San Gabriel Mts
63 
66 
66 
        Santa Clarita Vly
84 
55 
48 
        South Coastal LA
46 
55 
36 
        Southeast LA CO
57 
59 
48 
        Temecula Vly
61 
61 
62 
        Trona
50 
46 
39 
        Twentynine Palms
51 
51 
38 
        Victorville
50 
50 
64 
        W San Bernardino M
84 
55 
84 
        W San Fernando Vly
53 
53 
61 
        W San Gabriel Vly
59 
61 
34 
Mammoth Lakes
aqi not available
aqi not available
55 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
22 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
27 
        Davenport
Good
Good
 
        Hollister
Good
Good
20 
        King City
Good
Good
52 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
 
        Salinas
Good
Good
52 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
19 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
67 
Paradise
Moderate
Good
 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
15 
Quincy
aqi not available
aqi not available
32 
Red Bluff
aqi not available
aqi not available
 
Redding
60 
60 
54 
Sacramento Area
        Arden Arcade-Del Paso Manor
43 
40 
45 
        Auburn
46 
42 
12 
        Colfax
46 
42 
28 
        Cool
47 
42 
 
        Davis
38 
39 
38 
        Elk Grove
43 
40 
52 
        Folsom
43 
40 
28 
        Lincoln
46 
42 
31 
        Natomas
43 
40 
20 
        North Highlands
43 
40 
22 
        Placerville
47 
42 
 
        Rio Vista
38 
39 
21 
        Roseville-Rocklin
46 
42 
45 
        Sacramento
43 
40 
45 
        Sloughhouse
43 
40 
52 
        Vacaville
38 
39 
        Woodland
38 
39 
15 
San Diego Area
        San Diego Coast
Good
Good
45 
        San Diego Foothills
Good
Good
48 
        San Diego Mesa and Inland Valley
Moderate
Moderate
39 
San Francisco Area
        Concord
31 
32 
17 
        Fairfield
31 
32 
 
        Fremont
28 
31 
        Livermore
31 
32 
14 
        Napa
28 
29 
        Oakland
28 
30 
16 
        Redwood City
28 
31 
        San Francisco
28 
30 
        San Jose
31 
31 
23 
        San Rafael
28 
29 
        Santa Rosa
28 
29 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
80 
64 
42 
        Fresno
89 
61 
 
        Hanford
55 
62 
 
        Madera
64 
52 
 
        Merced
53 
46 
 
        Modesto
55 
50 
32 
        Stockton
53 
42 
27 
        Visalia
68 
59 
35 
San Luis Obispo County
        Atascadero
35 
34 
27 
        Carrizo Plains
36 
36 
31 
        Morro Bay
30 
29 
22 
        Nipomo
43 
59 
23 
        Paso Robles
32 
31 
26 
        Red Hills
35 
34 
30 
        San Luis Obispo
26 
26 
15 
Santa Barbara County
        Carpinteria
Good
Good
26 
        Gaviota Coast
Good
Good
34 
        Goleta
Good
Good
42 
        Lompoc
Good
Good
26 
        Paradise Road
Good
Good
30 
        Santa Barbara
Good
Good
 
        Santa Maria
Good
Good
30 
        Santa Ynez
Good
Good
25 
Sequoia/Kings Canyon National Parks
58 
48 
 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
55 
Truckee
aqi not available
aqi not available
52 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
 
Ventura County Area
        Ojai
Good
Good
34 
        Oxnard
Moderate
Moderate
40 
        Piru
Moderate
Moderate
32 
        Simi Valley
Moderate
Moderate
53 
        Thousand Oaks
Good
Moderate
31 
Western Nevada County
aqi not available
aqi not available
11 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
49 
40 
 
Yuba City/Marysville
Good
Good
46 
Yucca Vly
51 
50