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_20191120_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
Wed
Nov 20
Thu
Nov 21
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
38 
Bishop Paiute Tribe
aqi not available
aqi not available
15 
Brawley
38
46
11 
Calexico
38
46
33 
Chester
aqi not available
aqi not available
23 
Chico
Good
Good
44 
Death Valley National Park
39
aqi not available
44 
El Centro
38
46
28 
Eureka
aqi not available
aqi not available
36 
Forest Ranch
aqi not available
aqi not available
 
Fort Bragg
aqi not available
aqi not available
21 
Great Basin Air District
aqi not available
aqi not available
38 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Moderate
Good
48 
Healdsburg
aqi not available
aqi not available
 
Imperial Valley
38
46
33 
Indio - Twenty Nine Palms Reservation
aqi not available
aqi not available
46 
Joshua Tree National Park
aqi not available
aqi not available
37 
La Grange
aqi not available
aqi not available
 
Lassen Volcanic National Park
31
aqi not available
 
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
31 
        Anza Vly
36
aqi not available
36 
        Banning
37
aqi not available
 
        Barstow
36
aqi not available
32 
        Big Bear Lake
34
aqi not available
 
        C San Bernardino M
35
aqi not available
38 
        C San Bernardino-1
32
aqi not available
35 
        C San Bernardino-2
32
aqi not available
35 
        Capistrano Vly
38
aqi not available
42 
        Central Coastal
33
aqi not available
42 
        Central LA CO
30
aqi not available
43 
        Central Orange-1
30
aqi not available
43 
        Central Orange-2
30
aqi not available
43 
        Coachella Vly
39
aqi not available
31 
        E San Bernardino
39
aqi not available
44 
        E San Fernando Vly
33
aqi not available
37 
        E San Gabriel V-1
36
aqi not available
35 
        E San Gabriel V-2
36
aqi not available
35 
        East Riverside CO
36
aqi not available
 
        Hemet/San Jacinto
36
aqi not available
36 
        Hesperia
37
aqi not available
38 
        Lake Elsinore
35
aqi not available
36 
        Metro Riverside CO
40
aqi not available
33 
        N Coastal Orange
39
aqi not available
43 
        NW Coastal LA
34
aqi not available
44 
        NW San Bernardino
31
aqi not available
35 
        Norco/Corona
36
aqi not available
43 
        North Orange CO
30
aqi not available
43 
        Perris Vly
34
aqi not available
36 
        Phelan
38
aqi not available
35 
        Pomona Walnut Vly
33
aqi not available
31 
        S Central LA CO
28
aqi not available
40 
        S San Gabriel Vly
30
aqi not available
 
        SW Coastal LA
36
aqi not available
44 
        SW San Bernardino
30
aqi not available
35 
        Saddleback Vly
42
aqi not available
43 
        San Gabriel Mts
38
aqi not available
44 
        Santa Clarita Vly
34
aqi not available
44 
        South Coastal LA
30
aqi not available
43 
        Southeast LA CO
29
aqi not available
43 
        Temecula Vly
36
aqi not available
36 
        Trona
38
aqi not available
45 
        Twentynine Palms
36
aqi not available
32 
        Victorville
37
aqi not available
37 
        W San Bernardino M
31
aqi not available
38 
        W San Fernando Vly
34
aqi not available
37 
        W San Gabriel Vly
33
aqi not available
43 
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
16 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
24 
        Scotts Valley
Good
Good
 
        Watsonville
Good
aqi not available
 
Niland
38
46
18 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
19 
Paradise
Good
Good
34 
Point Arena
aqi not available
aqi not available
21 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
33 
Quincy
aqi not available
aqi not available
 
Red Bluff
Good
Good
38 
Redding
aqi not available
aqi not available
36 
Sacramento Area
        Arden Arcade-Del Paso Manor
46
50
28 
        Auburn
33
38
29 
        Colfax
33
38
32 
        Cool
aqi not available
aqi not available
 
        Davis
42
46
68 
        Elk Grove
46
50
28 
        Folsom
46
50
 
        Lincoln
33
38
28 
        Natomas
46
50
 
        North Highlands
46
50
24 
        Placerville
aqi not available
aqi not available
24 
        Rio Vista
42
46
 
        Roseville-Rocklin
33
38
46 
        Sacramento
46
50
94 
        Sloughhouse
46
50
25 
        Vacaville
42
46
36 
        Woodland
42
46
37 
San Diego Area
        San Diego Coast
Good
aqi not available
37 
        San Diego Foothills
Good
aqi not available
38 
        San Diego Mesa and Inland Valley
Good
aqi not available
30 
San Francisco Area
        Concord
38
Moderate
17 
        Fairfield
38
Moderate
33 
        Fremont
39
Good
25 
        Livermore
38
Moderate
41 
        Napa
38
Good
37 
        Oakland
42
Moderate
34 
        Redwood City
39
Good
24 
        San Francisco
42
Moderate
25 
        San Jose
46
Moderate
54 
        San Rafael
38
Good
19 
        Santa Rosa
38
Good
28 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
Actionday icon
78
aqi not available
25 
        Fresno
Actionday icon
59
aqi not available
27 
        Hanford
Actionday icon
85
aqi not available
15 
        Madera
52
aqi not available
        Merced
50
aqi not available
43 
        Modesto
53
aqi not available
103 
        Stockton
50
aqi not available
23 
        Visalia
Actionday icon
80
aqi not available
43 
San Luis Obispo County
        Atascadero
35
35
18 
        Carrizo Plains
35
35
23 
        Morro Bay
34
35
20 
        Nipomo
48
35
34 
        Paso Robles
35
35
24 
        Red Hills
35
35
24 
        San Luis Obispo
34
35
35 
Santa Barbara County
        Carpinteria
Good
Good
38 
        Gaviota Coast
Good
Good
36 
        Goleta
Good
Good
35 
        Lompoc
Good
Good
31 
        Paradise Road
Good
Good
26 
        Santa Barbara
Good
Good
35 
        Santa Maria
Good
Good
28 
        Santa Ynez
Good
Good
22 
Santa Rosa Rancheria
aqi not available
aqi not available
37 
Sequoia/Kings Canyon National Parks
46
aqi not available
25 
South Lake Tahoe
aqi not available
aqi not available
St. Helena
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
Truckee
aqi not available
aqi not available
21 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
16 
Ukiah
aqi not available
aqi not available
62 
Ventura County Area
        Ojai
45
45
 
        Oxnard
40
40
 
        Piru
45
45
 
        Simi Valley
45
45
 
        Thousand Oaks
45
45
 
Western Nevada County
aqi not available
aqi not available
33 
Westmorland
38
46
20 
Willits
aqi not available
aqi not available
58 
Willows
aqi not available
aqi not available
59 
Windsor
aqi not available
aqi not available
 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
39
aqi not available
43 
Yreka
aqi not available
aqi not available
16 
Yuba City/Marysville
46
50
99 
Yucca Vly
39
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.