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_20200403_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
Apr 3
Sat
Apr 4
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
26 
Bishop Paiute Tribe
aqi not available
aqi not available
 
Brawley
51
68
21 
Calexico
51
68
40 
Chester
aqi not available
aqi not available
26 
Chico
Good
Good
19 
Death Valley National Park
38
aqi not available
37 
El Centro
51
68
33 
Eureka
aqi not available
aqi not available
10 
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
26 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
25 
Imperial Valley
51
68
40 
Indio - Twenty Nine Palms Reservation
aqi not available
aqi not available
40 
Joshua Tree National Park
aqi not available
aqi not available
44 
La Grange
aqi not available
aqi not available
 
Lassen Volcanic National Park
36
aqi not available
33 
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
47
aqi not available
38 
        Anza Vly
61
aqi not available
44 
        Banning
80
aqi not available
59 
        Barstow
51
aqi not available
28 
        Big Bear Lake
71
aqi not available
 
        C San Bernardino
58
aqi not available
46 
        C San Bernardino M
67
aqi not available
34 
        Capistrano Vly
46
aqi not available
35 
        Central Coastal
47
aqi not available
35 
        Central LA CO
53
aqi not available
52 
        Central Orange
55
aqi not available
40 
        Coachella Vly
84
aqi not available
44 
        E San Bernardino
87
aqi not available
33 
        E San Fernando Vly
61
aqi not available
44 
        E San Gabriel Vly
55
aqi not available
51 
        East Riverside CO
44
aqi not available
 
        Hemet/San Jacinto
67
aqi not available
44 
        Hesperia
54
aqi not available
29 
        Lake Elsinore
61
aqi not available
26 
        Metro Riverside CO
61
aqi not available
40 
        N Coastal Orange
46
aqi not available
48 
        NW Coastal LA
50
aqi not available
48 
        NW San Bernardino
58
aqi not available
46 
        Norco/Corona
46
aqi not available
40 
        North Orange CO
64
aqi not available
40 
        Perris Vly
54
aqi not available
44 
        Phelan
54
aqi not available
43 
        Pomona Walnut Vly
61
aqi not available
21 
        S Central LA CO
63
aqi not available
26 
        S San Gabriel Vly
66
aqi not available
 
        SW Coastal LA
59
aqi not available
48 
        SW San Bernardino
61
aqi not available
46 
        Saddleback Vly
46
aqi not available
40 
        San Gabriel Mts
64
aqi not available
51 
        Santa Clarita Vly
54
aqi not available
28 
        South Coastal LA
42
aqi not available
48 
        Southeast LA CO
59
aqi not available
40 
        Temecula Vly
54
aqi not available
44 
        Trona
46
aqi not available
32 
        Twentynine Palms
54
aqi not available
28 
        Victorville
54
aqi not available
35 
        W San Bernardino M
67
aqi not available
46 
        W San Fernando Vly
58
aqi not available
44 
        W San Gabriel Vly
54
aqi not available
52 
Mammoth Lakes
aqi not available
aqi not available
11 
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
26 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
19 
        Scotts Valley
Good
Good
 
        Watsonville
Good
aqi not available
 
Niland
51
68
24 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
23 
Paradise
Good
Good
33 
Point Arena
aqi not available
aqi not available
21 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
82 
Quincy
aqi not available
aqi not available
36 
Red Bluff
aqi not available
aqi not available
20 
Redding
aqi not available
aqi not available
43 
Sacramento Area
        Arden Arcade-Del Paso Manor
46
38
26 
        Auburn
42
33
28 
        Colfax
42
33
34 
        Cool
aqi not available
aqi not available
23 
        Davis
38
29
20 
        Elk Grove
46
38
14 
        Folsom
46
38
 
        Lincoln
42
33
19 
        Natomas
46
38
 
        North Highlands
46
38
 
        Placerville
aqi not available
aqi not available
31 
        Rio Vista
38
29
13 
        Roseville-Rocklin
42
33
34 
        Sacramento
46
38
25 
        Sloughhouse
46
38
20 
        Vacaville
38
29
15 
        Woodland
38
29
23 
San Diego Area
        San Diego Coast
Good
aqi not available
53 
        San Diego Foothills
Good
aqi not available
33 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
58 
San Francisco Area
        Concord
35
Good
18 
        Fairfield
35
Good
27 
        Fremont
39
Good
37 
        Livermore
35
Good
45 
        Napa
38
Good
15 
        Oakland
36
Good
42 
        Redwood City
39
Good
37 
        San Francisco
36
Good
22 
        San Jose
37
Good
37 
        San Rafael
38
Good
28 
        Santa Rosa
38
Good
13 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
50
aqi not available
44 
        Fresno
39
aqi not available
29 
        Hanford
50
aqi not available
10 
        Madera
37
aqi not available
12 
        Merced
39
aqi not available
        Modesto
38
aqi not available
20 
        Stockton
45
aqi not available
32 
        Visalia
50
aqi not available
58 
San Luis Obispo County
        Atascadero
37
36
14 
        Carrizo Plains
38
36
16 
        Morro Bay
36
35
26 
        Nipomo
60
39
31 
        Paso Robles
37
36
22 
        Red Hills
40
36
31 
        San Luis Obispo
36
36
30 
Santa Barbara County
        Carpinteria
Good
Good
26 
        Gaviota Coast
Good
Good
37 
        Goleta
Good
Good
17 
        Lompoc
Good
Good
35 
        Paradise Road
Good
Good
19 
        Santa Barbara
Good
Good
30 
        Santa Maria
Good
Good
31 
        Santa Ynez
Good
Good
17 
Santa Rosa Rancheria
aqi not available
aqi not available
15 
Sequoia/Kings Canyon National Parks
43
aqi not available
29 
South Lake Tahoe
aqi not available
aqi not available
Tahoe City area
aqi not available
aqi not available
10 
Truckee
aqi not available
aqi not available
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
20 
Ukiah
aqi not available
aqi not available
24 
Ventura County Area
        Ojai
45
45
17 
        Oxnard
40
40
19 
        Piru
45
45
21 
        Simi Valley
45
45
16 
        Thousand Oaks
45
45
22 
Western Nevada County
aqi not available
aqi not available
 
Westmorland
51
68
29 
Willits
aqi not available
aqi not available
26 
Willows
aqi not available
aqi not available
20 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
41
aqi not available
35 
Yreka
aqi not available
aqi not available
20 
Yuba City/Marysville
42
25
19 
Yucca Vly
67
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.