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_20200117_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
Jan 17
Sat
Jan 18
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
27 
Bishop Paiute Tribe
aqi not available
aqi not available
 
Brawley
38
42
Calexico
38
42
25 
Chester
aqi not available
aqi not available
40 
Chico
Good
aqi not available
26 
Death Valley National Park
33
aqi not available
 
El Centro
38
42
30 
Eureka
aqi not available
aqi not available
27 
Forest Ranch
aqi not available
aqi not available
 
Fort Bragg
aqi not available
aqi not available
17 
Great Basin Air District
aqi not available
aqi not available
27 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
20 
Imperial Valley
38
42
30 
Indio - Twenty Nine Palms Reservation
aqi not available
aqi not available
51 
Joshua Tree National Park
aqi not available
aqi not available
30 
La Grange
aqi not available
aqi not available
 
Lassen Volcanic National Park
32
aqi not available
38 
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
36
aqi not available
36 
        Anza Vly
39
aqi not available
33 
        Banning
41
aqi not available
33 
        Barstow
39
aqi not available
31 
        Big Bear Lake
40
aqi not available
 
        C San Bernardino M
37
aqi not available
34 
        C San Bernardino-1
33
aqi not available
28 
        C San Bernardino-2
33
aqi not available
28 
        Capistrano Vly
43
aqi not available
25 
        Central Coastal
41
aqi not available
25 
        Central LA CO
46
aqi not available
27 
        Central Orange-1
33
aqi not available
16 
        Central Orange-2
33
aqi not available
16 
        Coachella Vly
41
aqi not available
48 
        E San Bernardino
29
aqi not available
26 
        E San Fernando Vly
34
aqi not available
15 
        E San Gabriel V-1
53
aqi not available
24 
        E San Gabriel V-2
53
aqi not available
24 
        East Riverside CO
40
aqi not available
 
        Hemet/San Jacinto
39
aqi not available
33 
        Hesperia
36
aqi not available
33 
        Lake Elsinore
35
aqi not available
26 
        Metro Riverside CO
33
aqi not available
22 
        N Coastal Orange
38
aqi not available
27 
        NW Coastal LA
46
aqi not available
27 
        NW San Bernardino
31
aqi not available
28 
        Norco/Corona
33
aqi not available
22 
        North Orange CO
31
aqi not available
16 
        Perris Vly
36
aqi not available
33 
        Phelan
40
aqi not available
31 
        Pomona Walnut Vly
38
aqi not available
17 
        S Central LA CO
50
aqi not available
        S San Gabriel Vly
42
aqi not available
 
        SW Coastal LA
50
aqi not available
27 
        SW San Bernardino
35
aqi not available
28 
        Saddleback Vly
39
aqi not available
25 
        San Gabriel Mts
37
aqi not available
24 
        Santa Clarita Vly
38
aqi not available
17 
        South Coastal LA
46
aqi not available
27 
        Southeast LA CO
42
aqi not available
16 
        Temecula Vly
37
aqi not available
33 
        Trona
35
aqi not available
32 
        Twentynine Palms
40
aqi not available
31 
        Victorville
36
aqi not available
36 
        W San Bernardino M
35
aqi not available
34 
        W San Fernando Vly
38
aqi not available
15 
        W San Gabriel Vly
46
aqi not available
25 
Mammoth Lakes
aqi not available
aqi not available
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
aqi not available
 
        Hollister
Good
Good
 
        King City
Good
Good
 
        Marina/Seaside
Good
aqi not available
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
 
        Salinas
Good
Good
24 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
        Scotts Valley
Good
Good
 
        Watsonville
Good
aqi not available
 
Niland
38
42
14 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
Paradise
Good
aqi not available
32 
Point Arena
aqi not available
aqi not available
17 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
54 
Quincy
aqi not available
aqi not available
18 
Red Bluff
Good
aqi not available
27 
Redding
aqi not available
aqi not available
25 
Sacramento Area
        Arden Arcade-Del Paso Manor
42
53
19 
        Auburn
38
42
32 
        Colfax
38
42
35 
        Cool
aqi not available
aqi not available
 
        Davis
38
46
30 
        Elk Grove
42
53
23 
        Folsom
42
53
 
        Lincoln
38
42
26 
        Natomas
42
53
 
        North Highlands
42
53
20 
        Placerville
aqi not available
aqi not available
31 
        Rio Vista
38
46
 
        Roseville-Rocklin
38
42
20 
        Sacramento
42
53
19 
        Sloughhouse
42
53
26 
        Vacaville
38
46
16 
        Woodland
38
46
39 
San Diego Area
        San Diego Coast
Good
aqi not available
25 
        San Diego Foothills
Good
aqi not available
30 
        San Diego Mesa and Inland Valley
Good
aqi not available
29 
San Francisco Area
        Concord
53
Moderate
26 
        Fairfield
53
Moderate
54 
        Fremont
42
Good
32 
        Livermore
53
Moderate
26 
        Napa
55
Moderate
16 
        Oakland
46
Moderate
18 
        Redwood City
42
Good
20 
        San Francisco
46
Moderate
25 
        San Jose
53
Moderate
32 
        San Rafael
55
Moderate
24 
        Santa Rosa
55
Moderate
22 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
46
aqi not available
32 
        Fresno
50
aqi not available
17 
        Hanford
50
aqi not available
        Madera
50
aqi not available
10 
        Merced
50
aqi not available
31 
        Modesto
50
aqi not available
19 
        Stockton
50
aqi not available
20 
        Visalia
50
aqi not available
24 
San Luis Obispo County
        Atascadero
34
44
23 
        Carrizo Plains
33
36
11 
        Morro Bay
33
37
22 
        Nipomo
35
43
26 
        Paso Robles
34
44
23 
        Red Hills
33
36
37 
        San Luis Obispo
32
40
19 
Santa Barbara County
        Carpinteria
Good
aqi not available
20 
        Gaviota Coast
Good
aqi not available
32 
        Goleta
Good
aqi not available
13 
        Lompoc
Good
aqi not available
28 
        Paradise Road
Good
aqi not available
 
        Santa Barbara
Good
aqi not available
11 
        Santa Maria
Good
aqi not available
        Santa Ynez
Good
aqi not available
18 
Santa Rosa Rancheria
aqi not available
aqi not available
Sequoia/Kings Canyon National Parks
35
aqi not available
30 
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
118 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
30 
Ukiah
aqi not available
aqi not available
33 
Ventura County Area
        Ojai
35
35
14 
        Oxnard
35
35
13 
        Piru
35
35
21 
        Simi Valley
35
35
22 
        Thousand Oaks
35
35
14 
Western Nevada County
aqi not available
aqi not available
37 
Westmorland
38
42
20 
Willits
aqi not available
aqi not available
17 
Willows
aqi not available
aqi not available
35 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
33
aqi not available
41 
Yreka
aqi not available
aqi not available
54 
Yuba City/Marysville
50
38
14 
Yucca Vly
44
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.