California
 
Data courtesy of:
 

AQI Forecast - http://files.airnowtech.org/airnow/today/forecast_aqi_20150829_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
Sat
Aug 29
Sun
Aug 30
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
177 
Bishop Paiute Tribe
aqi not available
aqi not available
177 
Chester
aqi not available
aqi not available
23 
Chico
Good
Good
24 
Death Valley National Park
44 
44 
 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
171 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
21 
Imperial Valley
51 
51 
43 
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
44 
42 
 
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
24 
Los Angeles Area
        Antelope Vly
51 
42 
24 
        Anza Vly
55 
53 
35 
        Banning
84 
111 
37 
        Barstow
50 
51 
30 
        Big Bear Lake
53 
51 
 
        C San Bernardino M
137 
137 
51 
        C San Bernardino-1
111 
84 
59 
        C San Bernardino-2
111 
84 
59 
        Capistrano Vly
42 
50 
34 
        Central Coastal
46 
46 
34 
        Central LA CO
57 
55 
36 
        Central Orange-1
46 
50 
43 
        Central Orange-2
57 
57 
43 
        Coachella Vly
84 
50 
39 
        E San Bernardino
137 
111 
38 
        E San Fernando Vly
84 
84 
36 
        E San Gabriel V-1
84 
84 
48 
        E San Gabriel V-2
111 
84 
48 
        East Riverside CO
50 
50 
38 
        Hemet/San Jacinto
84 
84 
35 
        Hesperia
51 
50 
51 
        Lake Elsinore
74 
70 
28 
        Metro Riverside CO
84 
76 
63 
        N Coastal Orange
55 
46 
29 
        NW Coastal LA
51 
46 
29 
        NW San Bernardino
111 
84 
59 
        Norco/Corona
111 
68 
56 
        North Orange CO
61 
59 
43 
        Perris Vly
84 
111 
24 
        Phelan
51 
50 
61 
        Pomona Walnut Vly
84 
66 
20 
        S Central LA CO
42 
42 
14 
        S San Gabriel Vly
84 
51 
12 
        SW Coastal LA
50 
46 
29 
        SW San Bernardino
111 
70 
59 
        Saddleback Vly
51 
42 
43 
        San Gabriel Mts
84 
61 
48 
        Santa Clarita Vly
84 
51 
25 
        South Coastal LA
55 
55 
29 
        Southeast LA CO
57 
57 
43 
        Temecula Vly
84 
59 
35 
        Trona
50 
46 
57 
        Twentynine Palms
51 
84 
30 
        Victorville
50 
50 
46 
        W San Bernardino M
59 
53 
59 
        W San Fernando Vly
53 
51 
36 
        W San Gabriel Vly
84 
57 
29 
Mammoth Lakes
aqi not available
aqi not available
18 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
23 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
21 
        Davenport
Good
Good
 
        Hollister
Good
Good
18 
        King City
Moderate
Good
39 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
 
        Salinas
Good
Good
39 
        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
111 
Paradise
Good
Good
30 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
Quincy
aqi not available
aqi not available
14 
Red Bluff
aqi not available
aqi not available
 
Redding
60 
60 
31 
Sacramento Area
        Arden Arcade-Del Paso Manor
34 
38 
28 
        Auburn
38 
39 
        Colfax
38 
39 
        Cool
38 
39 
 
        Davis
32 
34 
21 
        Elk Grove
34 
38 
28 
        Folsom
34 
38 
27 
        Lincoln
38 
39 
13 
        Natomas
34 
38 
23 
        North Highlands
34 
38 
25 
        Placerville
38 
39 
 
        Rio Vista
32 
34 
        Roseville-Rocklin
38 
39 
26 
        Sacramento
34 
38 
28 
        Sloughhouse
34 
38 
28 
        Vacaville
32 
34 
        Woodland
32 
34 
16 
San Diego Area
        San Diego Coast
Moderate
Moderate
45 
        San Diego Foothills
Unhealthy for Sensitive Groups
Moderate
26 
        San Diego Mesa and Inland Valley
Moderate
Moderate
48 
San Francisco Area
        Concord
37 
38 
19 
        Fairfield
37 
38 
22 
        Fremont
33 
38 
21 
        Livermore
37 
38 
22 
        Napa
33 
38 
23 
        Oakland
33 
38 
17 
        Redwood City
33 
38 
20 
        San Francisco
33 
38 
18 
        San Jose
37 
38 
23 
        San Rafael
33 
38 
15 
        Santa Rosa
33 
38 
19 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
64 
43 
48 
        Fresno
58 
62 
 
        Hanford
68 
46 
 
        Madera
58 
38 
 
        Merced
33 
36 
 
        Modesto
38 
29 
23 
        Stockton
53 
25 
22 
        Visalia
67 
37 
25 
San Luis Obispo County
        Atascadero
38 
37 
        Carrizo Plains
39 
39 
18 
        Morro Bay
33 
33 
13 
        Nipomo
51 
47 
71 
        Paso Robles
39 
39 
15 
        Red Hills
42 
40 
14 
        San Luis Obispo
36 
34 
12 
Santa Barbara County
        Carpinteria
Good
Good
16 
        Gaviota Coast
Good
Good
18 
        Goleta
Good
Good
31 
        Lompoc
Good
Good
14 
        Paradise Road
Good
Good
14 
        Santa Barbara
Good
Good
50 
        Santa Maria
Good
Good
24 
        Santa Ynez
Good
Good
13 
Sequoia/Kings Canyon National Parks
50 
45 
 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
34 
Truckee
aqi not available
aqi not available
27 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
25 
Ventura County Area
        Ojai
Moderate
Moderate
27 
        Oxnard
Moderate
Moderate
33 
        Piru
Moderate
Moderate
20 
        Simi Valley
Moderate
Moderate
20 
        Thousand Oaks
Moderate
Good
18 
Western Nevada County
50 
50 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
47 
44 
 
Yuba City/Marysville
Good
Good
24 
Yucca Vly
51 
51