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_20171119_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
Sun
Nov 19
Mon
Nov 20
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
84 
Bishop Paiute Tribe
aqi not available
aqi not available
84 
Chester
aqi not available
aqi not available
52 
Chico
Good
aqi not available
135 
Death Valley National Park
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
18 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
102 
Imperial Valley
57
76
52 
Joshua Tree National Park
aqi not available
aqi not available
 
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
 
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
46
aqi not available
36 
        Anza Vly
55
aqi not available
29 
        Banning
42
aqi not available
26 
        Barstow
29
aqi not available
        Big Bear Lake
28
aqi not available
 
        C San Bernardino M
37
aqi not available
58 
        C San Bernardino-1
80
aqi not available
35 
        C San Bernardino-2
78
aqi not available
35 
        Capistrano Vly
46
aqi not available
14 
        Central Coastal
53
aqi not available
14 
        Central LA CO
61
aqi not available
70 
        Central Orange-1
59
aqi not available
90 
        Central Orange-2
59
aqi not available
90 
        Coachella Vly
50
aqi not available
40 
        E San Bernardino
66
aqi not available
26 
        E San Fernando Vly
57
aqi not available
63 
        E San Gabriel V-1
80
aqi not available
35 
        E San Gabriel V-2
76
aqi not available
35 
        East Riverside CO
50
aqi not available
 
        Hemet/San Jacinto
70
aqi not available
29 
        Hesperia
50
aqi not available
35 
        Lake Elsinore
57
aqi not available
21 
        Metro Riverside CO
76
aqi not available
75 
        N Coastal Orange
57
aqi not available
70 
        NW Coastal LA
61
aqi not available
70 
        NW San Bernardino
78
aqi not available
35 
        Norco/Corona
76
aqi not available
90 
        North Orange CO
57
aqi not available
90 
        Perris Vly
68
aqi not available
29 
        Phelan
50
aqi not available
36 
        Pomona Walnut Vly
78
aqi not available
        S Central LA CO
53
aqi not available
        S San Gabriel Vly
61
aqi not available
 
        SW Coastal LA
66
aqi not available
70 
        SW San Bernardino
80
aqi not available
35 
        Saddleback Vly
46
aqi not available
90 
        San Gabriel Mts
72
aqi not available
30 
        Santa Clarita Vly
53
aqi not available
26 
        South Coastal LA
63
aqi not available
70 
        Southeast LA CO
78
aqi not available
90 
        Temecula Vly
55
aqi not available
29 
        Trona
50
aqi not available
22 
        Twentynine Palms
29
aqi not available
        Victorville
50
aqi not available
        W San Bernardino M
63
aqi not available
58 
        W San Fernando Vly
55
aqi not available
63 
        W San Gabriel Vly
70
aqi not available
39 
Mammoth Lakes
aqi not available
aqi not available
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
40 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
12 
        Davenport
Good
Good
 
        Hollister
Good
Good
11 
        King City
Good
Good
26 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
 
        Salinas
Good
Good
33 
        San Lorenzo Valley
Moderate
Good
 
        Santa Cruz
Good
Good
33 
        Scotts Valley
Moderate
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
18 
Paradise
Good
aqi not available
30 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
 
Quincy
aqi not available
aqi not available
44 
Red Bluff
aqi not available
aqi not available
Redding
60
58
129 
Sacramento Area
        Arden Arcade-Del Paso Manor
89
89
150 
        Auburn
70
78
25 
        Colfax
70
78
45 
        Cool
aqi not available
aqi not available
 
        Davis
70
72
14 
        Elk Grove
89
89
33 
        Folsom
89
89
66 
        Lincoln
70
78
 
        Natomas
89
89
 
        North Highlands
89
89
        Placerville
aqi not available
aqi not available
23 
        Rio Vista
70
72
59 
        Roseville-Rocklin
70
78
72 
        Sacramento
89
89
65 
        Sloughhouse
89
89
55 
        Vacaville
70
72
22 
        Woodland
70
72
51 
San Diego Area
        San Diego Coast
Moderate
Moderate
62 
        San Diego Foothills
Good
Good
40 
        San Diego Mesa and Inland Valley
Moderate
Moderate
86 
San Francisco Area
        Concord
57
59
 
        Fairfield
57
59
 
        Fremont
61
63
 
        Livermore
57
59
 
        Napa
72
74
 
        Oakland
68
70
 
        Redwood City
61
63
 
        San Francisco
68
70
 
        San Jose
68
72
 
        San Rafael
72
74
 
        Santa Rosa
72
74
 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
50
Good
82 
        Fresno
50
Good
        Hanford
46
Good
95 
        Madera
46
Good
        Merced
38
Good
        Modesto
42
Good
64 
        Stockton
39
Good
89 
        Visalia
50
Good
69 
San Luis Obispo County
        Atascadero
36
37
54 
        Carrizo Plains
37
40
11 
        Morro Bay
35
36
14 
        Nipomo
48
37
39 
        Paso Robles
35
37
54 
        Red Hills
36
40
35 
        San Luis Obispo
36
37
Santa Barbara County
        Carpinteria
Good
Good
20 
        Gaviota Coast
Good
Good
39 
        Goleta
Good
Good
21 
        Lompoc
Good
Good
37 
        Paradise Road
Good
Good
23 
        Santa Barbara
Good
Good
41 
        Santa Maria
Good
Good
        Santa Ynez
Good
Good
10 
Santa Rosa Rancheria
aqi not available
aqi not available
34 
Sequoia/Kings Canyon National Parks
aqi not available
aqi not available
23 
South Lake Tahoe
aqi not available
aqi not available
13 
Tahoe City area
aqi not available
aqi not available
Truckee
aqi not available
aqi not available
65 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
Ventura County Area
        Ojai
40
45
47 
        Oxnard
35
40
31 
        Piru
40
45
33 
        Simi Valley
40
45
40 
        Thousand Oaks
40
45
38 
Western Nevada County
35
35
33 
Willits
aqi not available
aqi not available
 
Willows
Good
aqi not available
30 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
aqi not available
aqi not available
22 
Yuba City/Marysville
aqi not available
aqi not available
93 
Yucca Vly
50
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.