California
 
Data and Forecasts courtesy of:
 

 - 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 Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20200407_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
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 Air Resources 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
Siskiyou County Air Pollution Control 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
Tue
Apr 7
Wed
Apr 8
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
28 
Bishop Paiute Tribe
aqi not available
aqi not available
 
Brawley
41
42
18 
Calexico
41
42
20 
Chester
aqi not available
aqi not available
50 
Chico
Good
aqi not available
25 
Death Valley National Park
39
aqi not available
40 
El Centro
41
42
24 
Eureka
aqi not available
aqi not available
16 
Forest Ranch
aqi not available
aqi not available
 
Fort Bragg
aqi not available
aqi not available
Great Basin Air District
aqi not available
aqi not available
39 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
21 
Imperial Valley
41
42
24 
Indio - Twenty Nine Palms Reservation
aqi not available
aqi not available
31 
Joshua Tree National Park
aqi not available
aqi not available
30 
La Grange
aqi not available
aqi not available
 
Lassen Volcanic National Park
35
aqi not available
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
32
aqi not available
26 
        Anza Vly
38
aqi not available
32 
        Banning
38
aqi not available
25 
        Barstow
34
aqi not available
29 
        Big Bear Lake
38
aqi not available
 
        C San Bernardino
34
aqi not available
28 
        C San Bernardino M
41
aqi not available
39 
        Capistrano Vly
37
aqi not available
16 
        Central Coastal
36
aqi not available
16 
        Central LA CO
31
aqi not available
16 
        Central Orange
35
aqi not available
12 
        Coachella Vly
43
aqi not available
37 
        E San Bernardino
39
aqi not available
24 
        E San Fernando Vly
34
aqi not available
15 
        E San Gabriel Vly
35
aqi not available
25 
        East Riverside CO
36
aqi not available
 
        Hemet/San Jacinto
40
aqi not available
32 
        Hesperia
32
aqi not available
30 
        Lake Elsinore
32
aqi not available
25 
        Metro Riverside CO
33
aqi not available
18 
        N Coastal Orange
37
aqi not available
13 
        NW Coastal LA
34
aqi not available
18 
        NW San Bernardino
33
aqi not available
28 
        Norco/Corona
38
aqi not available
18 
        North Orange CO
38
aqi not available
17 
        Perris Vly
33
aqi not available
32 
        Phelan
34
aqi not available
33 
        Pomona Walnut Vly
30
aqi not available
21 
        S Central LA CO
33
aqi not available
16 
        S San Gabriel Vly
37
aqi not available
 
        SW Coastal LA
37
aqi not available
18 
        SW San Bernardino
31
aqi not available
28 
        Saddleback Vly
34
aqi not available
16 
        San Gabriel Mts
38
aqi not available
24 
        Santa Clarita Vly
36
aqi not available
16 
        South Coastal LA
35
aqi not available
13 
        Southeast LA CO
34
aqi not available
12 
        Temecula Vly
32
aqi not available
32 
        Trona
35
aqi not available
24 
        Twentynine Palms
37
aqi not available
29 
        Victorville
32
aqi not available
31 
        W San Bernardino M
37
aqi not available
39 
        W San Fernando Vly
38
aqi not available
15 
        W San Gabriel Vly
37
aqi not available
21 
Mammoth Lakes
aqi not available
aqi not available
39 
Markleeville
aqi not available
aqi not available
 
Mendocino County
aqi not available
aqi not available
 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
 
        Davenport
Good
Good
 
        Hollister
Good
Good
 
        King City
Good
Good
 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
 
        Salinas
Good
Good
18 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
11 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Niland
41
42
10 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
10 
Paradise
Good
aqi not available
31 
Point Arena
aqi not available
aqi not available
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
81 
Quincy
aqi not available
aqi not available
22 
Red Bluff
aqi not available
aqi not available
19 
Redding
aqi not available
aqi not available
45 
Sacramento Area
        Arden Arcade-Del Paso Manor
29
42
 
        Auburn
25
33
24 
        Colfax
25
33
22 
        Cool
aqi not available
aqi not available
20 
        Davis
25
33
15 
        Elk Grove
29
42
 
        Folsom
29
42
 
        Lincoln
25
33
13 
        Natomas
29
42
 
        North Highlands
29
42
 
        Placerville
aqi not available
aqi not available
25 
        Rio Vista
25
33
13 
        Roseville-Rocklin
25
33
18 
        Sacramento
29
42
26 
        Sloughhouse
29
42
 
        Vacaville
25
33
12 
        Woodland
25
33
15 
San Diego Area
        San Diego Coast
Good
aqi not available
33 
        San Diego Foothills
Good
aqi not available
31 
        San Diego Mesa and Inland Valley
Good
aqi not available
26 
San Francisco Area
        Concord
42
Good
19 
        Fairfield
42
Good
45 
        Fremont
40
Good
33 
        Livermore
42
Good
33 
        Napa
40
Good
13 
        Oakland
41
Good
18 
        Redwood City
40
Good
11 
        San Francisco
41
Good
32 
        San Jose
39
Good
48 
        San Rafael
40
Good
        Santa Rosa
40
Good
13 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
50
aqi not available
23 
        Fresno
44
aqi not available
16 
        Hanford
37
aqi not available
20 
        Madera
46
aqi not available
17 
        Merced
44
aqi not available
34 
        Modesto
40
aqi not available
29 
        Stockton
34
aqi not available
14 
        Visalia
50
aqi not available
27 
San Luis Obispo County
        Atascadero
33
36
        Carrizo Plains
33
36
14 
        Morro Bay
33
36
19 
        Nipomo
33
37
17 
        Paso Robles
33
36
        Red Hills
33
36
39 
        San Luis Obispo
33
36
18 
Santa Barbara County
        Carpinteria
Good
aqi not available
19 
        Gaviota Coast
Good
aqi not available
38 
        Goleta
Good
aqi not available
        Lompoc
Good
aqi not available
35 
        Paradise Road
Good
aqi not available
        Santa Barbara
Good
aqi not available
11 
        Santa Maria
Good
aqi not available
11 
        Santa Ynez
Good
aqi not available
10 
Santa Rosa Rancheria
aqi not available
aqi not available
15 
Sequoia/Kings Canyon National Parks
41
aqi not available
13 
South Lake Tahoe
aqi not available
aqi not available
Tahoe City area
aqi not available
aqi not available
14 
Truckee
aqi not available
aqi not available
25 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
17 
Ukiah
aqi not available
aqi not available
13 
Ventura County Area
        Ojai
40
40
        Oxnard
40
40
12 
        Piru
40
40
10 
        Simi Valley
40
40
10 
        Thousand Oaks
40
40
13 
Western Nevada County
aqi not available
aqi not available
 
Westmorland
41
42
14 
Willits
aqi not available
aqi not available
11 
Willows
aqi not available
aqi not available
14 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
36
aqi not available
35 
Yreka
aqi not available
aqi not available
32 
Yuba City/Marysville
25
29
25 
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.