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_20190218_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
Mon
Feb 18
Tue
Feb 19
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
36 
Bishop Paiute Tribe
aqi not available
aqi not available
25 
Brawley
41
50
Calexico
41
50
43 
Chester
aqi not available
aqi not available
78 
Chico
Good
aqi not available
24 
Death Valley National Park
34
aqi not available
40 
El Centro
41
50
35 
Eureka
aqi not available
aqi not available
21 
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
36 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
40 
Imperial Valley
41
50
43 
Joshua Tree National Park
aqi not available
aqi not available
41 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
33
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
12 
Los Angeles Area
        Antelope Vly
37
aqi not available
37 
        Anza Vly
45
aqi not available
42 
        Banning
36
aqi not available
39 
        Barstow
70
aqi not available
34 
        Big Bear Lake
43
aqi not available
 
        C San Bernardino M
36
aqi not available
37 
        C San Bernardino-1
34
aqi not available
24 
        C San Bernardino-2
36
aqi not available
24 
        Capistrano Vly
43
aqi not available
28 
        Central Coastal
42
aqi not available
28 
        Central LA CO
37
aqi not available
40 
        Central Orange-1
38
aqi not available
        Central Orange-2
39
aqi not available
        Coachella Vly
51
aqi not available
36 
        E San Bernardino
42
aqi not available
24 
        E San Fernando Vly
42
aqi not available
40 
        E San Gabriel V-1
32
aqi not available
34 
        E San Gabriel V-2
30
aqi not available
34 
        East Riverside CO
47
aqi not available
 
        Hemet/San Jacinto
44
aqi not available
42 
        Hesperia
43
aqi not available
38 
        Lake Elsinore
44
aqi not available
35 
        Metro Riverside CO
42
aqi not available
18 
        N Coastal Orange
38
aqi not available
11 
        NW Coastal LA
41
aqi not available
41 
        NW San Bernardino
38
aqi not available
19 
        Norco/Corona
42
aqi not available
18 
        North Orange CO
37
aqi not available
11 
        Perris Vly
42
aqi not available
42 
        Phelan
43
aqi not available
42 
        Pomona Walnut Vly
46
aqi not available
17 
        S Central LA CO
54
aqi not available
32 
        S San Gabriel Vly
54
aqi not available
 
        SW Coastal LA
52
aqi not available
41 
        SW San Bernardino
52
aqi not available
19 
        Saddleback Vly
42
aqi not available
28 
        San Gabriel Mts
43
aqi not available
37 
        Santa Clarita Vly
36
aqi not available
37 
        South Coastal LA
46
aqi not available
31 
        Southeast LA CO
52
aqi not available
        Temecula Vly
43
aqi not available
42 
        Trona
50
aqi not available
38 
        Twentynine Palms
47
aqi not available
34 
        Victorville
50
aqi not available
39 
        W San Bernardino M
38
aqi not available
37 
        W San Fernando Vly
41
aqi not available
40 
        W San Gabriel Vly
38
aqi not available
31 
Mammoth Lakes
aqi not available
aqi not available
12 
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
aqi not available
 
        Davenport
Good
aqi not available
 
        Hollister
Good
aqi not available
 
        King City
Good
aqi not available
 
        Marina/Seaside
Good
aqi not available
 
        Monterey Peninsula
Good
aqi not available
 
        Pinnacles National Monument
33
aqi not available
 
        Salinas
Good
aqi not available
39 
        San Lorenzo Valley
Good
aqi not available
 
        Santa Cruz
Good
aqi not available
52 
        Scotts Valley
Good
aqi not available
 
        Watsonville
Good
aqi not available
 
Niland
41
50
39 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
17 
Paradise
Good
aqi not available
40 
Point Arena
aqi not available
aqi not available
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
158 
Quincy
aqi not available
aqi not available
61 
Red Bluff
aqi not available
aqi not available
 
Redding
aqi not available
aqi not available
63 
Sacramento Area
        Arden Arcade-Del Paso Manor
33
46
91 
        Auburn
29
38
 
        Colfax
29
38
 
        Cool
aqi not available
aqi not available
 
        Davis
29
29
31 
        Elk Grove
33
46
21 
        Folsom
33
46
26 
        Lincoln
29
38
 
        Natomas
33
46
 
        North Highlands
33
46
        Placerville
aqi not available
aqi not available
31 
        Rio Vista
29
29
 
        Roseville-Rocklin
29
38
44 
        Sacramento
33
46
24 
        Sloughhouse
33
46
25 
        Vacaville
29
29
 
        Woodland
29
29
 
San Diego Area
        San Diego Coast
Good
Good
43 
        San Diego Foothills
Good
Good
42 
        San Diego Mesa and Inland Valley
Good
Moderate
37 
San Francisco Area
        Concord
39
38
18 
        Fairfield
39
38
54 
        Fremont
40
42
34 
        Livermore
39
38
61 
        Napa
42
53
33 
        Oakland
38
46
28 
        Redwood City
40
42
32 
        San Francisco
38
46
24 
        San Jose
38
50
37 
        San Rafael
42
53
20 
        Santa Rosa
42
53
26 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
42
aqi not available
25 
        Fresno
50
aqi not available
65 
        Hanford
46
aqi not available
18 
        Madera
38
aqi not available
18 
        Merced
38
aqi not available
49 
        Modesto
50
aqi not available
23 
        Stockton
46
aqi not available
20 
        Visalia
42
aqi not available
47 
San Luis Obispo County
        Atascadero
35
35
22 
        Carrizo Plains
36
36
23 
        Morro Bay
36
36
22 
        Nipomo
36
36
29 
        Paso Robles
35
35
22 
        Red Hills
36
36
36 
        San Luis Obispo
36
35
16 
Santa Barbara County
        Carpinteria
Good
aqi not available
35 
        Gaviota Coast
Good
aqi not available
37 
        Goleta
Good
aqi not available
31 
        Lompoc
Good
aqi not available
40 
        Paradise Road
Good
aqi not available
22 
        Santa Barbara
Good
aqi not available
36 
        Santa Maria
Good
aqi not available
23 
        Santa Ynez
Good
aqi not available
26 
Santa Rosa Rancheria
aqi not available
aqi not available
19 
Sequoia/Kings Canyon National Parks
35
aqi not available
24 
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
40 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
15 
Ukiah
aqi not available
aqi not available
44 
Ventura County Area
        Ojai
40
40
37 
        Oxnard
40
40
35 
        Piru
40
40
31 
        Simi Valley
40
40
37 
        Thousand Oaks
40
40
18 
Western Nevada County
43
42
 
Westmorland
41
50
40 
Willits
aqi not available
aqi not available
61 
Willows
aqi not available
aqi not available
36 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
33
aqi not available
37 
Yreka
aqi not available
aqi not available
54 
Yuba City/Marysville
29
42
27 
Yucca Vly
41
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.