California
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20140417_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
Thu
Apr 17
Fri
Apr 18
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
86 
aqi not available
 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
20 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
52 
Imperial Valley
49 
42 
63 
Joshua Tree National Park
aqi not available
aqi not available
64 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
36 
aqi not available
34 
Lone Pine Paiute-Shoshone Reservation
aqi not available
aqi not available
26 
Los Angeles Area
        Antelope Vly
55 
46 
 
        Anza Vly
57 
57 
 
        Banning
57 
61 
52 
        Barstow
46 
42 
 
        Big Bear Lake
51 
51 
 
        C San Bernardino M
84 
84 
54 
        C San Bernardino-1
78 
80 
15 
        C San Bernardino-2
74 
72 
17 
        Capistrano Vly
50 
59 
31 
        Central Coastal
50 
55 
36 
        Central LA CO
68 
61 
99 
        Central Orange-1
59 
55 
74 
        Central Orange-2
59 
57 
74 
        Coachella Vly
51 
84 
42 
        E San Bernardino
59 
70 
18 
        E San Fernando Vly
57 
59 
88 
        E San Gabriel V-1
68 
72 
20 
        E San Gabriel V-2
70 
66 
52 
        East Riverside CO
46 
46 
 
        Hemet/San Jacinto
63 
57 
27 
        Hesperia
50 
51 
 
        Lake Elsinore
68 
84 
66 
        Metro Riverside CO
80 
93 
108 
        N Coastal Orange
55 
55 
36 
        NW Coastal LA
57 
53 
30 
        NW San Bernardino
72 
74 
119 
        Norco/Corona
68 
68 
98 
        North Orange CO
63 
61 
21 
        Perris Vly
70 
63 
27 
        Phelan
51 
51 
 
        Pomona Walnut Vly
70 
68 
19 
        S Central LA CO
50 
46 
26 
        S San Gabriel Vly
50 
46 
18 
        SW Coastal LA
53 
53 
29 
        SW San Bernardino
68 
70 
119 
        Saddleback Vly
50 
57 
31 
        San Gabriel Mts
66 
68 
96 
        Santa Clarita Vly
66 
57 
96 
        South Coastal LA
57 
53 
 
        Southeast LA CO
68 
61 
18 
        Temecula Vly
63 
63 
 
        Trona
50 
50 
 
        Twentynine Palms
51 
42 
 
        Victorville
46 
46 
 
        W San Bernardino M
51 
59 
119 
        W San Fernando Vly
59 
57 
84 
        W San Gabriel Vly
70 
63 
23 
Mammoth Lakes
aqi not available
aqi not available
 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
28 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
62 
        Davenport
Good
Good
 
        Hollister
Good
Good
39 
        King City
Good
Good
37 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
 
        Salinas
Good
Good
62 
        San Lorenzo Valley
Good
Good
47 
        Santa Cruz
Good
Good
51 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
26 
Paradise
Good
Good
 
Point Reyes
aqi not available
aqi not available
 
Red Bluff
aqi not available
aqi not available
Redding
50 
aqi not available
75 
Sacramento Area
        Auburn
42 
38 
53 
        Davis
63 
50 
101 
        Elk Grove
46 
38 
57 
        Folsom
46 
38 
57 
        Placerville
aqi not available
aqi not available
 
        Rio Vista
63 
50 
54 
        Roseville-Rocklin
42 
38 
53 
        Sacramento
46 
38 
57 
        Vacaville
63 
50 
101 
        Woodland
63 
50 
101 
San Diego Area
        San Diego Coast
Moderate
aqi not available
66 
        San Diego Foothills
Good
aqi not available
65 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
66 
San Francisco Area
        Concord
46 
38 
42 
        Fairfield
46 
38 
 
        Fremont
42 
32 
56 
        Livermore
46 
38 
56 
        Napa
55 
46 
56 
        Oakland
57 
46 
67 
        Redwood City
42 
32 
56 
        San Francisco
57 
46 
54 
        San Jose
46 
35 
61 
        San Rafael
55 
46 
62 
        Santa Rosa
55 
46 
 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
114 
Unhealthy for Sensitive Groups
59 
        Fresno
74 
Moderate
 
        Hanford
64 
Moderate
 
        Madera
61 
Moderate
 
        Merced
51 
Moderate
 
        Modesto
54 
Moderate
52 
        Stockton
55 
Moderate
66 
        Visalia
68 
Moderate
75 
San Luis Obispo County
        Atascadero
41 
35 
37 
        Carrizo Plains
54 
42 
38 
        Morro Bay
35 
33 
31 
        Nipomo
58 
63 
67 
        Paso Robles
42 
37 
37 
        Red Hills
52 
43 
33 
        San Luis Obispo
36 
32 
57 
Santa Barbara County
        Carpinteria
Good
aqi not available
31 
        Gaviota Coast
Good
aqi not available
31 
        Goleta
Good
aqi not available
75 
        Lompoc
Good
aqi not available
72 
        Paradise Road
Good
aqi not available
24 
        Santa Barbara
Good
aqi not available
61 
        Santa Maria
Good
aqi not available
51 
        Santa Ynez
Good
aqi not available
 
Sequoia/Kings Canyon National Parks
54 
aqi not available
62 
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
Moderate
Good
30 
        Oxnard
Moderate
Moderate
75 
        Piru
Moderate
Moderate
38 
        Simi Valley
Moderate
Moderate
111 
        Thousand Oaks
Moderate
Moderate
28 
Western Nevada County
55 
55 
36 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
43 
aqi not available
 
Yuba City/Marysville
Good
Good
 
Yucca Vly
46 
53