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
42 
Bishop Paiute Tribe
aqi not available
aqi not available
25 
Chester
aqi not available
aqi not available
40 
Chico
Good
Good
58 
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
42 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
42 
Imperial Valley
46
57
52 
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
44 
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
43 
        Anza Vly
68
55
47 
        Banning
46
42
45 
        Barstow
38
29
41 
        Big Bear Lake
46
28
 
        C San Bernardino M
46
37
44 
        C San Bernardino-1
72
80
60 
        C San Bernardino-2
72
78
60 
        Capistrano Vly
55
46
39 
        Central Coastal
57
53
39 
        Central LA CO
61
61
57 
        Central Orange-1
57
59
52 
        Central Orange-2
57
59
52 
        Coachella Vly
67
50
45 
        E San Bernardino
57
66
44 
        E San Fernando Vly
46
57
57 
        E San Gabriel V-1
46
80
45 
        E San Gabriel V-2
50
76
45 
        East Riverside CO
50
50
 
        Hemet/San Jacinto
57
70
47 
        Hesperia
50
50
44 
        Lake Elsinore
72
57
43 
        Metro Riverside CO
74
76
55 
        N Coastal Orange
55
57
56 
        NW Coastal LA
63
61
56 
        NW San Bernardino
72
78
60 
        Norco/Corona
70
76
52 
        North Orange CO
55
57
52 
        Perris Vly
72
68
47 
        Phelan
50
50
44 
        Pomona Walnut Vly
55
78
36 
        S Central LA CO
55
53
36 
        S San Gabriel Vly
57
61
 
        SW Coastal LA
70
66
56 
        SW San Bernardino
70
80
60 
        Saddleback Vly
59
46
52 
        San Gabriel Mts
55
72
45 
        Santa Clarita Vly
46
53
42 
        South Coastal LA
70
63
56 
        Southeast LA CO
70
78
52 
        Temecula Vly
72
55
47 
        Trona
42
50
41 
        Twentynine Palms
38
29
41 
        Victorville
50
50
42 
        W San Bernardino M
55
63
60 
        W San Fernando Vly
55
55
57 
        W San Gabriel Vly
46
70
42 
Mammoth Lakes
aqi not available
aqi not available
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
58 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
33 
        Davenport
Good
Good
 
        Hollister
Good
Good
28 
        King City
Good
Good
10 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
36 
        Salinas
Good
Good
36 
        San Lorenzo Valley
Good
Moderate
 
        Santa Cruz
Good
Good
31 
        Scotts Valley
Good
Moderate
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
15 
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
97 
Sacramento Area
        Arden Arcade-Del Paso Manor
80
89
53 
        Auburn
53
70
26 
        Colfax
53
70
31 
        Cool
aqi not available
aqi not available
 
        Davis
59
70
25 
        Elk Grove
80
89
45 
        Folsom
80
89
26 
        Lincoln
53
70
 
        Natomas
80
89
 
        North Highlands
80
89
19 
        Placerville
aqi not available
aqi not available
32 
        Rio Vista
59
70
20 
        Roseville-Rocklin
53
70
22 
        Sacramento
80
89
45 
        Sloughhouse
80
89
24 
        Vacaville
59
70
35 
        Woodland
59
70
24 
San Diego Area
        San Diego Coast
Moderate
Moderate
61 
        San Diego Foothills
Good
Good
37 
        San Diego Mesa and Inland Valley
Moderate
Moderate
42 
San Francisco Area
        Concord
50
57
29 
        Fairfield
50
57
28 
        Fremont
46
61
34 
        Livermore
50
57
30 
        Napa
68
72
36 
        Oakland
63
68
25 
        Redwood City
46
61
34 
        San Francisco
63
68
25 
        San Jose
57
68
50 
        San Rafael
68
72
28 
        Santa Rosa
68
72
27 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
32
50
49 
        Fresno
31
50
26 
        Hanford
29
46
42 
        Madera
28
46
24 
        Merced
21
38
30 
        Modesto
26
42
22 
        Stockton
32
39
40 
        Visalia
23
50
65 
San Luis Obispo County
        Atascadero
33
36
32 
        Carrizo Plains
33
37
34 
        Morro Bay
32
35
31 
        Nipomo
37
48
39 
        Paso Robles
33
35
37 
        Red Hills
34
36
31 
        San Luis Obispo
32
36
34 
Santa Barbara County
        Carpinteria
Good
Good
27 
        Gaviota Coast
Good
Good
33 
        Goleta
Good
Good
35 
        Lompoc
Good
Good
34 
        Paradise Road
Good
Good
31 
        Santa Barbara
Good
Good
38 
        Santa Maria
Good
Good
31 
        Santa Ynez
Good
Good
33 
Santa Rosa Rancheria
aqi not available
aqi not available
31 
Sequoia/Kings Canyon National Parks
41
aqi not available
25 
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
32 
Ventura County Area
        Ojai
40
40
40 
        Oxnard
35
35
41 
        Piru
35
40
48 
        Simi Valley
35
40
41 
        Thousand Oaks
35
40
42 
Western Nevada County
35
35
36 
Willits
aqi not available
aqi not available
 
Willows
Good
Good
31 
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
53 
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.