California
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20140723_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://www.epa.gov/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://www.epa.gov/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
Jul 23
Thu
Jul 24
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
 
Bishop Paiute Tribe
aqi not available
aqi not available
 
Chico
Good
Good
 
Death Valley National Park
43 
42 
 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
10 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
25 
Imperial Valley
64 
77 
42 
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
39 
34 
29 
Lone Pine Paiute-Shoshone Reservation
aqi not available
aqi not available
11 
Los Angeles Area
        Antelope Vly
46 
50 
40 
        Anza Vly
53 
55 
 
        Banning
84 
111 
87 
        Barstow
46 
51 
32 
        Big Bear Lake
51 
111 
 
        C San Bernardino M
84 
137 
111 
        C San Bernardino-1
84 
84 
58 
        C San Bernardino-2
68 
84 
101 
        Capistrano Vly
50 
50 
42 
        Central Coastal
46 
50 
27 
        Central LA CO
61 
72 
24 
        Central Orange-1
46 
55 
48 
        Central Orange-2
50 
59 
48 
        Coachella Vly
84 
111 
61 
        E San Bernardino
84 
111 
114 
        E San Fernando Vly
55 
61 
 
        E San Gabriel V-1
66 
72 
28 
        E San Gabriel V-2
61 
72 
30 
        East Riverside CO
50 
50 
 
        Hemet/San Jacinto
63 
84 
48 
        Hesperia
51 
50 
61 
        Lake Elsinore
68 
74 
64 
        Metro Riverside CO
76 
74 
62 
        N Coastal Orange
42 
55 
27 
        NW Coastal LA
53 
59 
25 
        NW San Bernardino
72 
63 
72 
        Norco/Corona
66 
70 
62 
        North Orange CO
50 
63 
27 
        Perris Vly
63 
70 
48 
        Phelan
50 
51 
61 
        Pomona Walnut Vly
57 
72 
35 
        S Central LA CO
42 
53 
21 
        S San Gabriel Vly
46 
53 
22 
        SW Coastal LA
50 
55 
23 
        SW San Bernardino
68 
84 
72 
        Saddleback Vly
46 
50 
42 
        San Gabriel Mts
68 
74 
38 
        Santa Clarita Vly
59 
61 
38 
        South Coastal LA
53 
61 
 
        Southeast LA CO
59 
66 
22 
        Temecula Vly
59 
63 
 
        Trona
50 
50 
39 
        Twentynine Palms
51 
51 
 
        Victorville
50 
50 
 
        W San Bernardino M
55 
111 
111 
        W San Fernando Vly
55 
59 
53 
        W San Gabriel Vly
66 
74 
30 
Mammoth Lakes
aqi not available
aqi not available
 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
15 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
13 
        Davenport
Good
Good
 
        Hollister
Good
Good
21 
        King City
Good
Good
15 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
31 
        Salinas
Good
Good
31 
        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
11 
Paradise
Good
Good
 
Point Reyes
aqi not available
aqi not available
 
Red Bluff
aqi not available
aqi not available
Redding
55 
55 
47 
Sacramento Area
        Auburn
54 
64 
47 
        Davis
49 
51 
29 
        Elk Grove
58 
80 
44 
        Folsom
58 
80 
44 
        Placerville
58 
67 
42 
        Rio Vista
49 
51 
        Roseville-Rocklin
54 
64 
47 
        Sacramento
58 
80 
44 
        Vacaville
49 
51 
29 
        Woodland
49 
51 
29 
San Diego Area
        San Diego Coast
Moderate
Moderate
38 
        San Diego Foothills
Moderate
Unhealthy for Sensitive Groups
37 
        San Diego Mesa and Inland Valley
Moderate
Moderate
36 
San Francisco Area
        Concord
29 
49 
        Fairfield
29 
49 
 
        Fremont
23 
40 
        Livermore
29 
49 
 
        Napa
25 
46 
17 
        Oakland
25 
50 
15 
        Redwood City
23 
40 
        San Francisco
25 
50 
        San Jose
31 
58 
56 
        San Rafael
25 
46 
13 
        Santa Rosa
25 
46 
 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
67 
61 
64 
        Fresno
61 
64 
 
        Hanford
54 
54 
 
        Madera
54 
54 
 
        Merced
47 
50 
 
        Modesto
50 
54 
24 
        Stockton
41 
37 
44 
        Visalia
50 
47 
31 
San Luis Obispo County
        Atascadero
23 
24 
19 
        Carrizo Plains
28 
29 
 
        Morro Bay
21 
22 
14 
        Nipomo
66 
59 
182 
        Paso Robles
22 
23 
19 
        Red Hills
27 
28 
33 
        San Luis Obispo
21 
22 
Santa Barbara County
        Carpinteria
Good
Good
27 
        Gaviota Coast
Good
Good
26 
        Goleta
Good
Good
23 
        Lompoc
Good
Good
19 
        Paradise Road
Good
Good
23 
        Santa Barbara
Good
Good
18 
        Santa Maria
Good
Good
34 
        Santa Ynez
Good
Good
17 
Sequoia/Kings Canyon National Parks
58 
62 
71 
South Lake Tahoe
aqi not available
aqi not available
 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
 
Ventura County Area
        Ojai
Good
Moderate
42 
        Oxnard
Good
Good
32 
        Piru
Good
Moderate
38 
        Simi Valley
Good
Moderate
38 
        Thousand Oaks
Good
Good
31 
Western Nevada County
70 
80 
42 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
41 
41 
37 
Yuba City/Marysville
Moderate
Moderate
18 
Yucca Vly
51 
51