California
 
Data courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20160929_ca_nv.jpg Map Map Map Map Map Map Map
 
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.
 - https://files.airnowtech.org/airnow/today/cur_aqi_ca_nv.jpg Map Map Map Map Map Map Map
 
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 - https://files.airnowtech.org/airnow/today/anim_aqi_ca_nv.gif Map Map Map Map Map Map Map
 
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: Good (0 - 50)
Air quality is considered satisfactory, and air pollution poses little or no risk.
AQI: Moderate (51 - 100) AQI: Moderate (51 - 100)
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy for Sensitive Groups (101 - 150)
Although general public is not likely to be affected at this AQI range, people with lung disease, older adults and children are at a greater risk from exposure to ozone, whereas persons with heart and lung disease, older adults and children are at greater risk from the presence of particles in the air.
AQI: Unhealthy (151 - 200) AQI: Unhealthy (151 - 200)
Everyone may begin to experience health effects members of sensitive groups may experience more serious health effects.
 AQI:Very Unhealthy (201 - 300) AQI: Very Unhealthy (201 - 300)
Health alert: everyone may experience more serious health effects.
AQI: Hazardous(301 - 500) AQI: Hazardous (301 - 500)
Health warnings of emergency conditions. The entire population is more likely to be affected.
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
Sep 29
Fri
Sep 30
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
31 
Chester
aqi not available
aqi not available
25 
Chico
Moderate
Moderate
60 
Death Valley National Park
38 
aqi not available
41 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
57 
Greeley Hill
aqi not available
aqi not available
49 
Gridley
Moderate
Moderate
 
Imperial Valley
50 
54 
67 
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
50 
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
17 
Los Angeles Area
        Antelope Vly
46 
aqi not available
40 
        Anza Vly
53 
aqi not available
53 
        Banning
46 
aqi not available
35 
        Barstow
42 
aqi not available
21 
        Big Bear Lake
46 
aqi not available
 
        C San Bernardino M
100 
aqi not available
36 
        C San Bernardino-1
63 
aqi not available
60 
        C San Bernardino-2
63 
aqi not available
60 
        Capistrano Vly
55 
aqi not available
20 
        Central Coastal
50 
aqi not available
20 
        Central LA CO
53 
aqi not available
66 
        Central Orange-1
53 
aqi not available
62 
        Central Orange-2
57 
aqi not available
62 
        Coachella Vly
50 
aqi not available
25 
        E San Bernardino
67 
aqi not available
27 
        E San Fernando Vly
55 
aqi not available
58 
        E San Gabriel V-1
63 
aqi not available
37 
        E San Gabriel V-2
63 
aqi not available
37 
        East Riverside CO
50 
aqi not available
47 
        Hemet/San Jacinto
53 
aqi not available
53 
        Hesperia
50 
aqi not available
40 
        Lake Elsinore
67 
aqi not available
63 
        Metro Riverside CO
63 
aqi not available
88 
        N Coastal Orange
55 
aqi not available
66 
        NW Coastal LA
46 
aqi not available
66 
        NW San Bernardino
63 
aqi not available
38 
        Norco/Corona
63 
aqi not available
62 
        North Orange CO
59 
aqi not available
62 
        Perris Vly
59 
aqi not available
11 
        Phelan
50 
aqi not available
43 
        Pomona Walnut Vly
63 
aqi not available
        S Central LA CO
42 
aqi not available
        S San Gabriel Vly
42 
aqi not available
        SW Coastal LA
53 
aqi not available
66 
        SW San Bernardino
61 
aqi not available
38 
        Saddleback Vly
46 
aqi not available
62 
        San Gabriel Mts
61 
aqi not available
50 
        Santa Clarita Vly
67 
aqi not available
50 
        South Coastal LA
53 
aqi not available
66 
        Southeast LA CO
57 
aqi not available
62 
        Temecula Vly
59 
aqi not available
53 
        Trona
46 
aqi not available
19 
        Twentynine Palms
46 
aqi not available
21 
        Victorville
50 
aqi not available
21 
        W San Bernardino M
53 
aqi not available
38 
        W San Fernando Vly
50 
aqi not available
58 
        W San Gabriel Vly
59 
aqi not available
52 
Mammoth Lakes
aqi not available
aqi not available
34 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
46 
Mono Lake
aqi not available
aqi not available
16 
Monterey Bay Area
        Carmel Valley
Good
Good
18 
        Davenport
Good
Good
 
        Hollister
Good
Good
16 
        King City
Good
Good
37 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
15 
        Salinas
Good
Good
37 
        San Lorenzo Valley
Good
Good
 
        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
57 
Paradise
Moderate
Moderate
39 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
18 
Quincy
aqi not available
aqi not available
36 
Red Bluff
aqi not available
aqi not available
 
Redding
55 
aqi not available
70 
Sacramento Area
        Arden Arcade-Del Paso Manor
67 
46 
41 
        Auburn
93 
46 
41 
        Colfax
93 
46 
36 
        Cool
100 
50 
42 
        Davis
51 
39 
32 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
Good
Good
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
20 
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
14 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
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.