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_20190920_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
Fri
Sep 20
Sat
Sep 21
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
10 
Brawley
aqi not available
aqi not available
24 
Calexico
aqi not available
aqi not available
27 
Chester
aqi not available
aqi not available
20 
Chico
Good
aqi not available
10 
Death Valley National Park
37
aqi not available
36 
El Centro
aqi not available
aqi not available
28 
Eureka
aqi not available
aqi not available
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
31 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
30 
Imperial Valley
aqi not available
aqi not available
35 
Indio - Twenty Nine Palms Reservation
aqi not available
aqi not available
40 
Joshua Tree National Park
aqi not available
aqi not available
41 
La Grange
aqi not available
aqi not available
 
Lassen Volcanic National Park
31
aqi not available
24 
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
49
aqi not available
35 
        Anza Vly
67
aqi not available
 
        Banning
54
aqi not available
 
        Barstow
54
aqi not available
39 
        Big Bear Lake
77
aqi not available
 
        C San Bernardino M
105
aqi not available
 
        C San Bernardino-1
84
aqi not available
 
        C San Bernardino-2
84
aqi not available
 
        Capistrano Vly
42
aqi not available
 
        Central Coastal
46
aqi not available
 
        Central LA CO
57
aqi not available
 
        Central Orange-1
50
aqi not available
 
        Central Orange-2
50
aqi not available
 
        Coachella Vly
58
aqi not available
 
        E San Bernardino
112
aqi not available
 
        E San Fernando Vly
48
aqi not available
 
        E San Gabriel V-1
49
aqi not available
 
        E San Gabriel V-2
49
aqi not available
 
        East Riverside CO
45
aqi not available
 
        Hemet/San Jacinto
87
aqi not available
 
        Hesperia
67
aqi not available
31 
        Lake Elsinore
71
aqi not available
 
        Metro Riverside CO
77
aqi not available
 
        N Coastal Orange
42
aqi not available
 
        NW Coastal LA
50
aqi not available
 
        NW San Bernardino
67
aqi not available
 
        Norco/Corona
67
aqi not available
 
        North Orange CO
46
aqi not available
 
        Perris Vly
80
aqi not available
 
        Phelan
51
aqi not available
37 
        Pomona Walnut Vly
53
aqi not available
 
        S Central LA CO
36
aqi not available
 
        S San Gabriel Vly
43
aqi not available
 
        SW Coastal LA
40
aqi not available
 
        SW San Bernardino
64
aqi not available
 
        Saddleback Vly
44
aqi not available
 
        San Gabriel Mts
49
aqi not available
 
        Santa Clarita Vly
47
aqi not available
 
        South Coastal LA
33
aqi not available
 
        Southeast LA CO
40
aqi not available
 
        Temecula Vly
77
aqi not available
 
        Trona
44
aqi not available
33 
        Twentynine Palms
45
aqi not available
39 
        Victorville
58
aqi not available
33 
        W San Bernardino M
64
aqi not available
 
        W San Fernando Vly
49
aqi not available
 
        W San Gabriel Vly
50
aqi not available
 
Mammoth Lakes
aqi not available
aqi not available
12 
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
10 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
18 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Niland
aqi not available
aqi not available
35 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
12 
Paradise
Good
aqi not available
24 
Point Arena
aqi not available
aqi not available
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
52 
Quincy
aqi not available
aqi not available
Red Bluff
Good
aqi not available
15 
Redding
aqi not available
aqi not available
18 
Sacramento Area
        Arden Arcade-Del Paso Manor
48
67
12 
        Auburn
49
64
12 
        Colfax
49
64
10 
        Cool
50
67
17 
        Davis
41
46
18 
        Elk Grove
48
67
15 
        Folsom
48
67
 
        Lincoln
49
64
31 
        Natomas
48
67
 
        North Highlands
48
67
        Placerville
50
67
20 
        Rio Vista
41
46
21 
        Roseville-Rocklin
49
64
16 
        Sacramento
48
67
32 
        Sloughhouse
48
67
15 
        Vacaville
41
46
15 
        Woodland
41
46
23 
San Diego Area
        San Diego Coast
Good
aqi not available
18 
        San Diego Foothills
Moderate
aqi not available
19 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
54 
San Francisco Area
        Concord
44
Moderate
16 
        Fairfield
44
Moderate
23 
        Fremont
33
Good
25 
        Livermore
44
Moderate
        Napa
33
Good
19 
        Oakland
38
Moderate
33 
        Redwood City
33
Good
12 
        San Francisco
38
Moderate
35 
        San Jose
44
Moderate
16 
        San Rafael
33
Good
19 
        Santa Rosa
33
Good
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
54
aqi not available
34 
        Fresno
45
aqi not available
27 
        Hanford
52
aqi not available
21 
        Madera
40
aqi not available
13 
        Merced
33
aqi not available
21 
        Modesto
36
aqi not available
19 
        Stockton
31
aqi not available
12 
        Visalia
56
aqi not available
31 
San Luis Obispo County
        Atascadero
36
37
        Carrizo Plains
36
44
30 
        Morro Bay
36
37
19 
        Nipomo
49
37
20 
        Paso Robles
36
37
10 
        Red Hills
36
37
32 
        San Luis Obispo
36
36
23 
Santa Barbara County
        Carpinteria
Good
aqi not available
19 
        Gaviota Coast
Good
aqi not available
33 
        Goleta
Good
aqi not available
14 
        Lompoc
Good
aqi not available
25 
        Paradise Road
Good
aqi not available
14 
        Santa Barbara
Good
aqi not available
22 
        Santa Maria
Good
aqi not available
20 
        Santa Ynez
Good
aqi not available
19 
Santa Rosa Rancheria
aqi not available
aqi not available
30 
Sequoia/Kings Canyon National Parks
44
aqi not available
31 
South Lake Tahoe
aqi not available
aqi not available
Tahoe City area
aqi not available
aqi not available
Truckee
aqi not available
aqi not available
38 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
14 
Ukiah
aqi not available
aqi not available
Ventura County Area
        Ojai
55
55
18 
        Oxnard
40
40
 
        Piru
55
55
24 
        Simi Valley
55
55
25 
        Thousand Oaks
50
50
27 
Western Nevada County
40
40
26 
Westmorland
aqi not available
aqi not available
22 
Willits
aqi not available
aqi not available
Willows
aqi not available
aqi not available
15 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
35
aqi not available
26 
Yreka
aqi not available
aqi not available
Yuba City/Marysville
35
aqi not available
24 
Yucca Vly
51
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.