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_20200221_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
Feb 21
Sat
Feb 22
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
59
66
36 
Calexico
59
66
28 
Chester
aqi not available
aqi not available
44 
Chico
Good
aqi not available
64 
Death Valley National Park
36
aqi not available
37 
El Centro
59
66
36 
Eureka
aqi not available
aqi not available
29 
Forest Ranch
aqi not available
aqi not available
 
Fort Bragg
aqi not available
aqi not available
10 
Great Basin Air District
aqi not available
aqi not available
90 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Moderate
aqi not available
61 
Imperial Valley
59
66
36 
Indio - Twenty Nine Palms Reservation
aqi not available
aqi not available
43 
Joshua Tree National Park
aqi not available
aqi not available
43 
La Grange
aqi not available
aqi not available
 
Lassen Volcanic National Park
38
aqi not available
36 
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
46
aqi not available
40 
        Anza Vly
49
aqi not available
41 
        Banning
50
aqi not available
24 
        Barstow
50
aqi not available
26 
        Big Bear Lake
50
aqi not available
 
        C San Bernardino M
49
aqi not available
60 
        C San Bernardino-1
47
aqi not available
60 
        C San Bernardino-2
47
aqi not available
60 
        Capistrano Vly
67
aqi not available
68 
        Central Coastal
58
aqi not available
68 
        Central LA CO
57
aqi not available
86 
        Central Orange-1
51
aqi not available
78 
        Central Orange-2
51
aqi not available
78 
        Coachella Vly
41
aqi not available
54 
        E San Bernardino
50
aqi not available
38 
        E San Fernando Vly
55
aqi not available
52 
        E San Gabriel V-1
54
aqi not available
39 
        E San Gabriel V-2
54
aqi not available
39 
        East Riverside CO
45
aqi not available
 
        Hemet/San Jacinto
49
aqi not available
41 
        Hesperia
48
aqi not available
44 
        Lake Elsinore
58
aqi not available
21 
        Metro Riverside CO
50
aqi not available
59 
        N Coastal Orange
58
aqi not available
86 
        NW Coastal LA
46
aqi not available
86 
        NW San Bernardino
53
aqi not available
32 
        Norco/Corona
54
aqi not available
78 
        North Orange CO
58
aqi not available
78 
        Perris Vly
50
aqi not available
41 
        Phelan
47
aqi not available
35 
        Pomona Walnut Vly
58
aqi not available
        S Central LA CO
57
aqi not available
        S San Gabriel Vly
50
aqi not available
 
        SW Coastal LA
55
aqi not available
86 
        SW San Bernardino
54
aqi not available
32 
        Saddleback Vly
61
aqi not available
78 
        San Gabriel Mts
46
aqi not available
39 
        Santa Clarita Vly
40
aqi not available
20 
        South Coastal LA
53
aqi not available
86 
        Southeast LA CO
48
aqi not available
78 
        Temecula Vly
58
aqi not available
41 
        Trona
43
aqi not available
29 
        Twentynine Palms
45
aqi not available
26 
        Victorville
48
aqi not available
25 
        W San Bernardino M
51
aqi not available
60 
        W San Fernando Vly
61
aqi not available
52 
        W San Gabriel Vly
54
aqi not available
80 
Mammoth Lakes
aqi not available
aqi not available
90 
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
35 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
23 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Niland
59
66
18 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
30 
Paradise
Good
aqi not available
36 
Point Arena
aqi not available
aqi not available
10 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
96 
Quincy
aqi not available
aqi not available
67 
Red Bluff
aqi not available
aqi not available
51 
Redding
aqi not available
aqi not available
64 
Sacramento Area
        Arden Arcade-Del Paso Manor
59
46
64 
        Auburn
53
42
45 
        Colfax
53
42
52 
        Cool
aqi not available
aqi not available
 
        Davis
53
38
55 
        Elk Grove
59
46
51 
        Folsom
59
46
 
        Lincoln
53
42
80 
        Natomas
59
46
 
        North Highlands
59
46
12 
        Placerville
aqi not available
aqi not available
38 
        Rio Vista
53
38
48 
        Roseville-Rocklin
53
42
77 
        Sacramento
59
46
52 
        Sloughhouse
59
46
47 
        Vacaville
53
38
50 
        Woodland
53
38
66 
San Diego Area
        San Diego Coast
Moderate
aqi not available
102 
        San Diego Foothills
Moderate
aqi not available
38 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
68 
San Francisco Area
        Concord
40
Good
59 
        Fairfield
40
Good
64 
        Fremont
46
Good
59 
        Livermore
40
Good
68 
        Napa
50
Good
52 
        Oakland
53
Good
60 
        Redwood City
46
Good
59 
        San Francisco
53
Good
59 
        San Jose
55
Good
63 
        San Rafael
50
Good
32 
        Santa Rosa
50
Good
54 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
Actionday icon
78
aqi not available
63 
        Fresno
Actionday icon
78
aqi not available
58 
        Hanford
Actionday icon
85
aqi not available
21 
        Madera
Actionday icon
74
aqi not available
23 
        Merced
Actionday icon
68
aqi not available
74 
        Modesto
Actionday icon
72
aqi not available
58 
        Stockton
Actionday icon
76
aqi not available
97 
        Visalia
Actionday icon
74
aqi not available
77 
San Luis Obispo County
        Atascadero
43
35
27 
        Carrizo Plains
44
35
21 
        Morro Bay
36
35
23 
        Nipomo
46
50
51 
        Paso Robles
40
35
27 
        Red Hills
42
35
49 
        San Luis Obispo
37
35
38 
Santa Barbara County
        Carpinteria
Good
aqi not available
32 
        Gaviota Coast
Good
aqi not available
45 
        Goleta
Good
aqi not available
40 
        Lompoc
Good
aqi not available
39 
        Paradise Road
Good
aqi not available
30 
        Santa Barbara
Good
aqi not available
44 
        Santa Maria
Good
aqi not available
21 
        Santa Ynez
Good
aqi not available
25 
Santa Rosa Rancheria
aqi not available
aqi not available
55 
Sequoia/Kings Canyon National Parks
40
aqi not available
36 
South Lake Tahoe
aqi not available
aqi not available
17 
Tahoe City area
aqi not available
aqi not available
25 
Truckee
aqi not available
aqi not available
40 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
18 
Ukiah
aqi not available
aqi not available
58 
Ventura County Area
        Ojai
45
40
37 
        Oxnard
45
40
47 
        Piru
45
40
24 
        Simi Valley
50
40
53 
        Thousand Oaks
50
40
19 
Western Nevada County
aqi not available
aqi not available
45 
Westmorland
59
66
29 
Willits
aqi not available
aqi not available
69 
Willows
aqi not available
aqi not available
23 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
39
aqi not available
52 
Yreka
aqi not available
aqi not available
52 
Yuba City/Marysville
55
50
68 
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.