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_20171118_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
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
Sat
Nov 18
Sun
Nov 19
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
39 
Bishop Paiute Tribe
aqi not available
aqi not available
30 
Chester
aqi not available
aqi not available
40 
Chico
Good
Good
52 
Death Valley National Park
33
aqi not available
39 
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
39 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
42 
Imperial Valley
46
57
56 
Joshua Tree National Park
aqi not available
aqi not available
44 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
35
aqi not available
43 
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
38
46
38 
        Anza Vly
68
55
53 
        Banning
46
42
46 
        Barstow
38
29
41 
        Big Bear Lake
46
28
 
        C San Bernardino M
46
37
40 
        C San Bernardino-1
72
80
65 
        C San Bernardino-2
72
78
65 
        Capistrano Vly
55
46
34 
        Central Coastal
57
53
34 
        Central LA CO
61
61
59 
        Central Orange-1
57
59
59 
        Central Orange-2
57
59
59 
        Coachella Vly
67
50
43 
        E San Bernardino
57
66
40 
        E San Fernando Vly
46
57
59 
        E San Gabriel V-1
46
80
52 
        E San Gabriel V-2
50
76
52 
        East Riverside CO
50
50
 
        Hemet/San Jacinto
57
70
53 
        Hesperia
50
50
44 
        Lake Elsinore
72
57
42 
        Metro Riverside CO
74
76
70 
        N Coastal Orange
55
57
56 
        NW Coastal LA
63
61
56 
        NW San Bernardino
72
78
65 
        Norco/Corona
70
76
59 
        North Orange CO
55
57
59 
        Perris Vly
72
68
53 
        Phelan
50
50
44 
        Pomona Walnut Vly
55
78
33 
        S Central LA CO
55
53
31 
        S San Gabriel Vly
57
61
 
        SW Coastal LA
70
66
56 
        SW San Bernardino
70
80
65 
        Saddleback Vly
59
46
59 
        San Gabriel Mts
55
72
52 
        Santa Clarita Vly
46
53
43 
        South Coastal LA
70
63
56 
        Southeast LA CO
70
78
59 
        Temecula Vly
72
55
53 
        Trona
42
50
39 
        Twentynine Palms
38
29
41 
        Victorville
50
50
40 
        W San Bernardino M
55
63
65 
        W San Fernando Vly
55
55
59 
        W San Gabriel Vly
46
70
43 
Mammoth Lakes
aqi not available
aqi not available
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
33 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
26 
        Davenport
Good
Good
 
        Hollister
Good
Good
18 
        King City
Good
Good
12 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
33 
        Salinas
Good
Good
33 
        San Lorenzo Valley
Good
Moderate
 
        Santa Cruz
Good
Good
24 
        Scotts Valley
Good
Moderate
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
21 
Paradise
Good
Good
31 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
 
Quincy
aqi not available
aqi not available
95 
Red Bluff
aqi not available
aqi not available
Redding
54
60
92 
Sacramento Area
        Arden Arcade-Del Paso Manor
80
89
55 
        Auburn
53
70
26 
        Colfax
53
70
31 
        Cool
aqi not available
aqi not available
 
        Davis
59
70
24 
        Elk Grove
80
89
31 
        Folsom
80
89
26 
        Lincoln
53
70
 
        Natomas
80
89
 
        North Highlands
80
89
14 
        Placerville
aqi not available
aqi not available
31 
        Rio Vista
59
70
20 
        Roseville-Rocklin
53
70
10 
        Sacramento
80
89
19 
        Sloughhouse
80
89
20 
        Vacaville
59
70
35 
        Woodland
59
70
24 
San Diego Area
        San Diego Coast
Moderate
Moderate
55 
        San Diego Foothills
Good
Good
33 
        San Diego Mesa and Inland Valley
Moderate
Moderate
38 
San Francisco Area
        Concord
50
57
29 
        Fairfield
50
57
36 
        Fremont
46
61
48 
        Livermore
50
57
29 
        Napa
68
72
43 
        Oakland
63
68
33 
        Redwood City
46
61
48 
        San Francisco
63
68
26 
        San Jose
57
68
55 
        San Rafael
68
72
27 
        Santa Rosa
68
72
21 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
32
50
46 
        Fresno
31
50
26 
        Hanford
29
46
42 
        Madera
28
46
24 
        Merced
21
38
30 
        Modesto
26
42
21 
        Stockton
32
39
25 
        Visalia
23
50
65 
San Luis Obispo County
        Atascadero
33
36
28 
        Carrizo Plains
33
37
31 
        Morro Bay
32
35
29 
        Nipomo
37
48
31 
        Paso Robles
33
35
32 
        Red Hills
34
36
30 
        San Luis Obispo
32
36
31 
Santa Barbara County
        Carpinteria
Good
Good
24 
        Gaviota Coast
Good
Good
30 
        Goleta
Good
Good
31 
        Lompoc
Good
Good
32 
        Paradise Road
Good
Good
29 
        Santa Barbara
Good
Good
35 
        Santa Maria
Good
Good
29 
        Santa Ynez
Good
Good
28 
Santa Rosa Rancheria
aqi not available
aqi not available
25 
Sequoia/Kings Canyon National Parks
41
aqi not available
26 
South Lake Tahoe
aqi not available
aqi not available
10 
Tahoe City area
aqi not available
aqi not available
10 
Truckee
aqi not available
aqi not available
38 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
28 
Ventura County Area
        Ojai
40
40
36 
        Oxnard
35
35
43 
        Piru
35
40
51 
        Simi Valley
35
40
41 
        Thousand Oaks
35
40
40 
Western Nevada County
35
35
36 
Willits
aqi not available
aqi not available
 
Willows
Good
aqi not available
28 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
41
aqi not available
39 
Yuba City/Marysville
aqi not available
aqi not available
56 
Yucca Vly
50
50
 
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.