California
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20150419_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
Sun
Apr 19
Mon
Apr 20
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
31 
Bishop Paiute Tribe
aqi not available
aqi not available
19 
Chico
Good
Good
35 
Death Valley National Park
45 
58 
 
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
32 
Imperial Valley
104 
90 
58 
Joshua Tree National Park
aqi not available
aqi not available
74 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
42 
39 
38 
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
15 
Los Angeles Area
        Antelope Vly
34 
42 
90 
        Anza Vly
42 
42 
54 
        Banning
51 
51 
119 
        Barstow
42 
42 
61 
        Big Bear Lake
51 
84 
 
        C San Bernardino M
84 
84 
129 
        C San Bernardino-1
46 
51 
87 
        C San Bernardino-2
46 
51 
87 
        Capistrano Vly
42 
42 
49 
        Central Coastal
42 
46 
49 
        Central LA CO
50 
57 
63 
        Central Orange-1
46 
55 
73 
        Central Orange-2
50 
55 
73 
        Coachella Vly
51 
84 
87 
        E San Bernardino
51 
57 
114 
        E San Fernando Vly
50 
53 
57 
        E San Gabriel V-1
50 
59 
74 
        E San Gabriel V-2
50 
59 
74 
        East Riverside CO
42 
46 
54 
        Hemet/San Jacinto
42 
46 
77 
        Hesperia
42 
51 
101 
        Lake Elsinore
51 
55 
63 
        Metro Riverside CO
68 
66 
84 
        N Coastal Orange
46 
55 
66 
        NW Coastal LA
46 
46 
66 
        NW San Bernardino
68 
57 
78 
        Norco/Corona
53 
59 
84 
        North Orange CO
42 
53 
73 
        Perris Vly
51 
57 
77 
        Phelan
50 
51 
80 
        Pomona Walnut Vly
50 
53 
50 
        S Central LA CO
38 
42 
38 
        S San Gabriel Vly
51 
42 
38 
        SW Coastal LA
46 
50 
66 
        SW San Bernardino
50 
59 
78 
        Saddleback Vly
42 
46 
73 
        San Gabriel Mts
46 
51 
74 
        Santa Clarita Vly
51 
51 
58 
        South Coastal LA
46 
50 
66 
        Southeast LA CO
50 
46 
73 
        Temecula Vly
51 
34 
54 
        Trona
38 
42 
41 
        Twentynine Palms
42 
42 
61 
        Victorville
42 
46 
74 
        W San Bernardino M
50 
51 
129 
        W San Fernando Vly
46 
55 
57 
        W San Gabriel Vly
50 
57 
63 
Mammoth Lakes
aqi not available
aqi not available
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
23 
Mono Lake
aqi not available
aqi not available
27 
Monterey Bay Area
        Carmel Valley
Good
Good
30 
        Davenport
Good
Good
 
        Hollister
Good
Good
31 
        King City
Good
Good
33 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
40 
        Salinas
Good
Good
40 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
26 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
18 
Paradise
Good
Good
39 
Point Reyes
aqi not available
aqi not available
 
Red Bluff
aqi not available
aqi not available
 
Redding
60 
60 
55 
Sacramento Area
        Auburn
42 
42 
47 
        Davis
46 
46 
50 
        Elk Grove
53 
53 
58 
        Folsom
53 
53 
58 
        Placerville
aqi not available
aqi not available
50 
        Rio Vista
46 
46 
38 
        Roseville-Rocklin
42 
42 
47 
        Sacramento
53 
53 
58 
        Vacaville
46 
46 
50 
        Woodland
46 
46 
50 
San Diego Area
        San Diego Coast
Moderate
Moderate
62 
        San Diego Foothills
Moderate
Good
58 
        San Diego Mesa and Inland Valley
Good
Good
46 
San Francisco Area
        Concord
48 
46 
40 
        Fairfield
48 
46 
36 
        Fremont
46 
42 
31 
        Livermore
48 
46 
45 
        Napa
47 
45 
43 
        Oakland
44 
43 
48 
        Redwood City
46 
42 
27 
        San Francisco
44 
43 
29 
        San Jose
47 
46 
42 
        San Rafael
47 
45 
27 
        Santa Rosa
47 
45 
25 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
93 
93 
77 
        Fresno
104 
104 
 
        Hanford
97 
100 
 
        Madera
93 
90 
 
        Merced
64 
51 
 
        Modesto
93 
74 
47 
        Stockton
90 
64 
48 
        Visalia
93 
93 
71 
San Luis Obispo County
        Atascadero
45 
39 
33 
        Carrizo Plains
45 
40 
43 
        Morro Bay
39 
34 
31 
        Nipomo
54 
53 
52 
        Paso Robles
42 
40 
40 
        Red Hills
49 
40 
47 
        San Luis Obispo
40 
39 
33 
Santa Barbara County
        Carpinteria
Good
Good
34 
        Gaviota Coast
Good
Good
37 
        Goleta
Good
Good
59 
        Lompoc
Good
Good
36 
        Paradise Road
Good
Good
39 
        Santa Barbara
Good
Good
52 
        Santa Maria
Good
Good
38 
        Santa Ynez
Good
Good
34 
Sequoia/Kings Canyon National Parks
48 
50 
64 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
27 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
47 
Ventura County Area
        Ojai
Good
Good
58 
        Oxnard
Moderate
Moderate
62 
        Piru
Good
Moderate
46 
        Simi Valley
Good
Moderate
48 
        Thousand Oaks
Good
Moderate
42 
Western Nevada County
60 
65 
 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
43 
49 
 
Yuba City/Marysville
Good
Good
36 
Yucca Vly
42 
46