California
 
Data courtesy of:
 

AQI Forecast - http://files.airnowtech.org/airnow/today/forecast_aqi_20160212_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
Fri
Feb 12
Sat
Feb 13
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
24 
Bishop Paiute Tribe
aqi not available
aqi not available
24 
Chester
aqi not available
aqi not available
54 
Chico
Good
Good
48 
Death Valley National Park
43 
43 
30 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
43 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
52 
Imperial Valley
57 
59 
52 
Joshua Tree National Park
aqi not available
aqi not available
45 
La Grange
aqi not available
aqi not available
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
41 
37 
32 
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
Los Angeles Area
        Antelope Vly
37 
33 
28 
        Anza Vly
57 
61 
        Banning
46 
46 
43 
        Barstow
37 
37 
33 
        Big Bear Lake
37 
46 
 
        C San Bernardino M
46 
46 
44 
        C San Bernardino-1
76 
84 
60 
        C San Bernardino-2
63 
68 
60 
        Capistrano Vly
59 
63 
54 
        Central Coastal
55 
55 
54 
        Central LA CO
46 
59 
117 
        Central Orange-1
57 
66 
78 
        Central Orange-2
59 
63 
78 
        Coachella Vly
50 
50 
46 
        E San Bernardino
50 
50 
42 
        E San Fernando Vly
50 
57 
52 
        E San Gabriel V-1
63 
61 
36 
        E San Gabriel V-2
57 
59 
36 
        East Riverside CO
38 
42 
35 
        Hemet/San Jacinto
46 
53 
39 
        Hesperia
38 
42 
38 
        Lake Elsinore
70 
74 
48 
        Metro Riverside CO
76 
87 
59 
        N Coastal Orange
55 
55 
117 
        NW Coastal LA
46 
59 
117 
        NW San Bernardino
63 
68 
60 
        Norco/Corona
70 
72 
78 
        North Orange CO
66 
61 
78 
        Perris Vly
59 
68 
39 
        Phelan
46 
50 
39 
        Pomona Walnut Vly
59 
68 
29 
        S Central LA CO
42 
50 
40 
        S San Gabriel Vly
46 
53 
21 
        SW Coastal LA
55 
63 
117 
        SW San Bernardino
66 
87 
60 
        Saddleback Vly
50 
53 
78 
        San Gabriel Mts
59 
38 
37 
        Santa Clarita Vly
46 
46 
37 
        South Coastal LA
53 
66 
117 
        Southeast LA CO
57 
66 
78 
        Temecula Vly
63 
68 
        Trona
38 
38 
24 
        Twentynine Palms
33 
46 
33 
        Victorville
38 
42 
30 
        W San Bernardino M
46 
46 
60 
        W San Fernando Vly
46 
55 
52 
        W San Gabriel Vly
53 
57 
43 
Mammoth Lakes
aqi not available
aqi not available
43 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
28 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
        Davenport
Good
Good
 
        Hollister
Good
Good
66 
        King City
Good
Good
19 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
33 
        Salinas
Good
Good
66 
        San Lorenzo Valley
Moderate
Moderate
 
        Santa Cruz
Good
Good
 
        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
 
Portola
aqi not available
aqi not available
29 
Quincy
aqi not available
aqi not available
51 
Red Bluff
aqi not available
aqi not available
 
Redding
75 
70 
73 
Sacramento Area
        Arden Arcade-Del Paso Manor
84 
50 
48 
        Auburn
57 
38 
31 
        Colfax
57 
38 
34 
        Cool
aqi not available
aqi not available
 
        Davis
76 
50 
59 
        Elk Grove
84 
50 
78 
        Folsom
84 
50 
31 
        Lincoln
57 
38 
30 
        Natomas
84 
50 
26 
        North Highlands
84 
50 
27 
        Placerville
aqi not available
aqi not available
 
        Rio Vista
76 
50 
59 
        Roseville-Rocklin
57 
38 
 
        Sacramento
84 
50 
83 
        Sloughhouse
84 
50 
28 
        Vacaville
76 
50 
45 
        Woodland
76 
50 
68 
San Diego Area
        San Diego Coast
Moderate
Moderate
50 
        San Diego Foothills
Moderate
Moderate
44 
        San Diego Mesa and Inland Valley
Moderate
Moderate
43 
San Francisco Area
        Concord
50 
46 
33 
        Fairfield
50 
46 
26 
        Fremont
46 
42 
53 
        Livermore
50 
46 
41 
        Napa
61 
59 
35 
        Oakland
61 
57 
59 
        Redwood City
46 
42 
53 
        San Francisco
61 
57 
49 
        San Jose
63 
59 
64 
        San Rafael
61 
59 
58 
        Santa Rosa
61 
59 
23 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
87 
Moderate
110 
        Fresno
72 
Moderate
31 
        Hanford
87 
Moderate
30 
        Madera
68 
Moderate
30 
        Merced
59 
Moderate
25 
        Modesto
68 
Moderate
77 
        Stockton
64 
Moderate
84 
        Visalia
68 
Moderate
86 
San Luis Obispo County
        Atascadero
30 
32 
63 
        Carrizo Plains
36 
34 
39 
        Morro Bay
35 
33 
36 
        Nipomo
48 
46 
52 
        Paso Robles
34 
34 
63 
        Red Hills
46 
45 
40 
        San Luis Obispo
34 
33 
 
Santa Barbara County
        Carpinteria
Good
Good
35 
        Gaviota Coast
Good
Good
41 
        Goleta
Good
Good
38 
        Lompoc
Good
Good
31 
        Paradise Road
Good
Good
39 
        Santa Barbara
Good
Good
 
        Santa Maria
Good
Good
21 
        Santa Ynez
Good
Good
31 
Santa Rosa Rancheria
aqi not available
aqi not available
54 
Sequoia/Kings Canyon National Parks
61 
49 
32 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
26 
Truckee
aqi not available
aqi not available
53 
Tuolumne City
aqi not available
aqi not available
Tuolumne County
aqi not available
aqi not available
 
Ventura County Area
        Ojai
Good
Good
43 
        Oxnard
Good
Good
31 
        Piru
Good
Good
36 
        Simi Valley
Good
Good
43 
        Thousand Oaks
Good
Good
37 
Western Nevada County
42 
42 
37 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
58 
48 
 
Yuba City/Marysville
aqi not available
Moderate
42 
Yucca Vly
38 
42 
 
Note: Values above 500 are considered Beyond the AQI. Follow recommendations for the Hazardous category. Additional information on reducing exposure to extremely high levels of particle pollution is available here.