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_20190123_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
Colusa County Air Pollution Control District
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 Unified Air Pollution Control 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
Jan 23
Thu
Jan 24
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
102 
Bishop Paiute Tribe
aqi not available
aqi not available
102 
Brawley
53
50
17 
Calexico
53
50
57 
Chester
aqi not available
aqi not available
53 
Chico
Good
Good
20 
Death Valley National Park
aqi not available
aqi not available
33 
El Centro
53
50
27 
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
104 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
39 
Imperial Valley
53
50
57 
Joshua Tree National Park
aqi not available
aqi not available
40 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
aqi not available
aqi not available
32 
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
18 
Los Angeles Area
        Antelope Vly
25
aqi not available
23 
        Anza Vly
36
aqi not available
24 
        Banning
29
aqi not available
37 
        Barstow
46
aqi not available
13 
        Big Bear Lake
31
aqi not available
 
        C San Bernardino M
29
aqi not available
30 
        C San Bernardino-1
29
aqi not available
26 
        C San Bernardino-2
29
aqi not available
26 
        Capistrano Vly
38
aqi not available
19 
        Central Coastal
50
aqi not available
19 
        Central LA CO
46
aqi not available
63 
        Central Orange-1
52
aqi not available
27 
        Central Orange-2
52
aqi not available
27 
        Coachella Vly
32
aqi not available
37 
        E San Bernardino
29
aqi not available
18 
        E San Fernando Vly
33
aqi not available
25 
        E San Gabriel V-1
33
aqi not available
29 
        E San Gabriel V-2
33
aqi not available
29 
        East Riverside CO
34
aqi not available
 
        Hemet/San Jacinto
36
aqi not available
24 
        Hesperia
38
aqi not available
18 
        Lake Elsinore
36
aqi not available
16 
        Metro Riverside CO
38
aqi not available
38 
        N Coastal Orange
54
aqi not available
63 
        NW Coastal LA
46
aqi not available
63 
        NW San Bernardino
33
aqi not available
19 
        Norco/Corona
50
aqi not available
38 
        North Orange CO
54
aqi not available
27 
        Perris Vly
33
aqi not available
24 
        Phelan
31
aqi not available
30 
        Pomona Walnut Vly
46
aqi not available
        S Central LA CO
54
aqi not available
        S San Gabriel Vly
52
aqi not available
 
        SW Coastal LA
54
aqi not available
63 
        SW San Bernardino
50
aqi not available
19 
        Saddleback Vly
42
aqi not available
27 
        San Gabriel Mts
25
aqi not available
25 
        Santa Clarita Vly
19
aqi not available
11 
        South Coastal LA
54
aqi not available
63 
        Southeast LA CO
50
aqi not available
27 
        Temecula Vly
33
aqi not available
24 
        Trona
37
aqi not available
19 
        Twentynine Palms
34
aqi not available
13 
        Victorville
38
aqi not available
35 
        W San Bernardino M
25
aqi not available
30 
        W San Fernando Vly
29
aqi not available
25 
        W San Gabriel Vly
42
aqi not available
49 
Mammoth Lakes
aqi not available
aqi not available
104 
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
12 
        San Lorenzo Valley
Moderate
Moderate
 
        Santa Cruz
Good
Good
27 
        Scotts Valley
Good
Good
 
        Watsonville
Good
aqi not available
 
Niland
53
50
12 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
21 
Paradise
Good
Good
 
Point Arena
aqi not available
aqi not available
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
157 
Quincy
aqi not available
aqi not available
 
Red Bluff
aqi not available
aqi not available
 
Redding
60
aqi not available
71 
Sacramento Area
        Arden Arcade-Del Paso Manor
68
63
47 
        Auburn
53
50
18 
        Colfax
53
50
32 
        Cool
aqi not available
aqi not available
 
        Davis
59
55
39 
        Elk Grove
68
63
28 
        Folsom
68
63
25 
        Lincoln
53
50
10 
        Natomas
68
63
 
        North Highlands
68
63
        Placerville
aqi not available
aqi not available
28 
        Rio Vista
59
55
53 
        Roseville-Rocklin
53
50
17 
        Sacramento
68
63
30 
        Sloughhouse
68
63
16 
        Vacaville
59
55
43 
        Woodland
59
55
52 
San Diego Area
        San Diego Coast
Good
aqi not available
19 
        San Diego Foothills
Good
aqi not available
38 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
26 
San Francisco Area
        Concord
42
Moderate
18 
        Fairfield
42
Moderate
46 
        Fremont
46
Good
27 
        Livermore
42
Moderate
18 
        Napa
50
Moderate
15 
        Oakland
55
Moderate
51 
        Redwood City
46
Good
27 
        San Francisco
55
Moderate
53 
        San Jose
53
Moderate
23 
        San Rafael
50
Moderate
27 
        Santa Rosa
50
Moderate
32 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
57
aqi not available
        Fresno
68
aqi not available
58 
        Hanford
72
aqi not available
        Madera
50
aqi not available
        Merced
70
aqi not available
45 
        Modesto
76
aqi not available
68 
        Stockton
68
aqi not available
53 
        Visalia
62
aqi not available
44 
San Luis Obispo County
        Atascadero
36
36
15 
        Carrizo Plains
37
37
        Morro Bay
36
36
15 
        Nipomo
37
37
31 
        Paso Robles
36
36
16 
        Red Hills
36
36
26 
        San Luis Obispo
37
37
17 
Santa Barbara County
        Carpinteria
Good
Good
25 
        Gaviota Coast
Good
Good
38 
        Goleta
Good
Good
10 
        Lompoc
Good
Good
31 
        Paradise Road
Good
Good
17 
        Santa Barbara
Good
Good
24 
        Santa Maria
Good
Good
10 
        Santa Ynez
Good
Good
10 
Santa Rosa Rancheria
aqi not available
aqi not available
14 
Sequoia/Kings Canyon National Parks
aqi not available
aqi not available
17 
South Lake Tahoe
aqi not available
aqi not available
26 
Tahoe City area
aqi not available
aqi not available
Truckee
aqi not available
aqi not available
91 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
Ukiah
aqi not available
aqi not available
60 
Ventura County Area
        Ojai
40
40
18 
        Oxnard
40
40
20 
        Piru
40
40
29 
        Simi Valley
40
40
17 
        Thousand Oaks
40
40
31 
Western Nevada County
40
aqi not available
33 
Westmorland
53
50
20 
Willits
aqi not available
aqi not available
17 
Willows
aqi not available
aqi not available
18 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
aqi not available
aqi not available
37 
Yreka
aqi not available
aqi not available
57 
Yuba City/Marysville
50
46
37 
Yucca Vly
29
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.