California
 
Data courtesy of:
 

AQI Forecast - http://files.airnowtech.org/airnow/today/forecast_aqi_20160210_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

AirNow.gov is undergoing maintenance. Updates for the forecasts and current conditions are not available between midnight and 4 am EST.

Click on the city name for more detailed information.

printable summary
FORECAST CURRENT
AQI
Wed
Feb 10
Thu
Feb 11
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
61 
Bishop Paiute Tribe
aqi not available
aqi not available
61 
Chester
aqi not available
aqi not available
 
Chico
Moderate
aqi not available
40 
Death Valley National Park
38 
aqi not available
34 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
67 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
76 
Imperial Valley
55 
53 
48 
Joshua Tree National Park
aqi not available
aqi not available
39 
La Grange
aqi not available
aqi not available
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
45 
aqi not available
31 
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
20 
Los Angeles Area
        Antelope Vly
38 
aqi not available
20 
        Anza Vly
42 
aqi not available
31 
        Banning
46 
aqi not available
24 
        Barstow
37 
aqi not available
14 
        Big Bear Lake
37 
aqi not available
 
        C San Bernardino M
46 
aqi not available
56 
        C San Bernardino-1
38 
aqi not available
35 
        C San Bernardino-2
38 
aqi not available
35 
        Capistrano Vly
37 
aqi not available
23 
        Central Coastal
42 
aqi not available
23 
        Central LA CO
42 
aqi not available
47 
        Central Orange-1
42 
aqi not available
53 
        Central Orange-2
42 
aqi not available
53 
        Coachella Vly
46 
aqi not available
53 
        E San Bernardino
42 
aqi not available
19 
        E San Fernando Vly
33 
aqi not available
33 
        E San Gabriel V-1
37 
aqi not available
29 
        E San Gabriel V-2
37 
aqi not available
29 
        East Riverside CO
42 
aqi not available
30 
        Hemet/San Jacinto
46 
aqi not available
31 
        Hesperia
42 
aqi not available
32 
        Lake Elsinore
46 
aqi not available
20 
        Metro Riverside CO
37 
aqi not available
25 
        N Coastal Orange
38 
aqi not available
28 
        NW Coastal LA
37 
aqi not available
28 
        NW San Bernardino
37 
aqi not available
17 
        Norco/Corona
38 
aqi not available
53 
        North Orange CO
38 
aqi not available
53 
        Perris Vly
42 
aqi not available
12 
        Phelan
46 
aqi not available
 
        Pomona Walnut Vly
59 
aqi not available
        S Central LA CO
46 
aqi not available
 
        S San Gabriel Vly
46 
aqi not available
        SW Coastal LA
53 
aqi not available
28 
        SW San Bernardino
66 
aqi not available
17 
        Saddleback Vly
42 
aqi not available
53 
        San Gabriel Mts
37 
aqi not available
29 
        Santa Clarita Vly
42 
aqi not available
14 
        South Coastal LA
50 
aqi not available
28 
        Southeast LA CO
53 
aqi not available
53 
        Temecula Vly
37 
aqi not available
31 
        Trona
38 
aqi not available
17 
        Twentynine Palms
37 
aqi not available
14 
        Victorville
42 
aqi not available
 
        W San Bernardino M
37 
aqi not available
56 
        W San Fernando Vly
50 
aqi not available
33 
        W San Gabriel Vly
37 
aqi not available
47 
Mammoth Lakes
aqi not available
aqi not available
67 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
35 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
21 
        Davenport
Good
Good
 
        Hollister
Good
Good
16 
        King City
Good
Good
24 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
15 
        Salinas
Good
Good
25 
        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
20 
Paradise
Good
aqi not available
29 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
 
Quincy
aqi not available
aqi not available
104 
Red Bluff
aqi not available
aqi not available
 
Redding
55 
aqi not available
18 
Sacramento Area
        Arden Arcade-Del Paso Manor
80 
76 
58 
        Auburn
53 
53 
19 
        Colfax
53 
53 
45 
        Cool
aqi not available
aqi not available
 
        Davis
72 
72 
17 
        Elk Grove
80 
76 
40 
        Folsom
80 
76 
28 
        Lincoln
53 
53 
29 
        Natomas
80 
76 
        North Highlands
80 
76 
        Placerville
aqi not available
aqi not available
33 
        Rio Vista
72 
72 
62 
        Roseville-Rocklin
53 
53 
47 
        Sacramento
80 
76 
67 
        Sloughhouse
80 
76 
16 
        Vacaville
72 
72 
31 
        Woodland
72 
72 
60 
San Diego Area
        San Diego Coast
Good
aqi not available
43 
        San Diego Foothills
Good
aqi not available
38 
        San Diego Mesa and Inland Valley
Good
aqi not available
47 
San Francisco Area
        Concord
59 
Moderate
52 
        Fairfield
59 
Moderate
13 
        Fremont
53 
Moderate
40 
        Livermore
59 
Moderate
75 
        Napa
63 
Moderate
56 
        Oakland
61 
Moderate
88 
        Redwood City
53 
Moderate
40 
        San Francisco
61 
Moderate
75 
        San Jose
59 
Moderate
78 
        San Rafael
63 
Moderate
51 
        Santa Rosa
63 
Moderate
53 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
70 
Moderate
77 
        Fresno
68 
Moderate
 
        Hanford
78 
Moderate
 
        Madera
62 
Moderate
 
        Merced
64 
Moderate
 
        Modesto
87 
Moderate
89 
        Stockton
70 
Moderate
93 
        Visalia
64 
Moderate
67 
San Luis Obispo County
        Atascadero
42 
42 
31 
        Carrizo Plains
46 
46 
        Morro Bay
41 
40 
18 
        Nipomo
45 
46 
34 
        Paso Robles
42 
42 
31 
        Red Hills
45 
45 
38 
        San Luis Obispo
40 
43 
11 
Santa Barbara County
        Carpinteria
Good
aqi not available
23 
        Gaviota Coast
Good
aqi not available
41 
        Goleta
Good
aqi not available
18 
        Lompoc
Good
aqi not available
39 
        Paradise Road
Good
aqi not available
22 
        Santa Barbara
Good
aqi not available
        Santa Maria
Good
aqi not available
25 
        Santa Ynez
Good
aqi not available
17 
Santa Rosa Rancheria
aqi not available
aqi not available
44 
Sequoia/Kings Canyon National Parks
50 
aqi not available
22 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
40 
Truckee
aqi not available
aqi not available
45 
Tuolumne City
aqi not available
aqi not available
Tuolumne County
aqi not available
aqi not available
15 
Ventura County Area
        Ojai
Good
Good
14 
        Oxnard
Good
Good
17 
        Piru
Good
Good
22 
        Simi Valley
Good
Good
23 
        Thousand Oaks
Good
Good
15 
Western Nevada County
46 
45 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
61 
aqi not available
36 
Yuba City/Marysville
aqi not available
aqi not available
81 
Yucca Vly
42 
aqi not available
 
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.