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_20191115_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.
 - 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.
 - 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 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 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 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
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 Air Resources 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
Fri
Nov 15
Sat
Nov 16
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
56 
Bishop Paiute Tribe
aqi not available
aqi not available
56 
Brawley
82
59
56 
Calexico
82
59
76 
Chester
aqi not available
aqi not available
51 
Chico
Good
aqi not available
27 
Death Valley National Park
41
aqi not available
31 
El Centro
82
59
66 
Eureka
aqi not available
aqi not available
Forest Ranch
aqi not available
aqi not available
 
Fort Bragg
aqi not available
aqi not available
24 
Great Basin Air District
aqi not available
aqi not available
20 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Moderate
aqi not available
26 
Healdsburg
aqi not available
aqi not available
25 
Imperial Valley
82
59
76 
Indio - Twenty Nine Palms Reservation
aqi not available
aqi not available
51 
Joshua Tree National Park
aqi not available
aqi not available
44 
La Grange
aqi not available
aqi not available
 
Lassen Volcanic National Park
49
aqi not available
28 
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
Actionday icon
47
aqi not available
43 
        Anza Vly
Actionday icon
37
aqi not available
64 
        Banning
Actionday icon
51
aqi not available
64 
        Barstow
Actionday icon
50
aqi not available
15 
        Big Bear Lake
Actionday icon
39
aqi not available
 
        C San Bernardino M
Actionday icon
42
aqi not available
44 
        C San Bernardino-1
Actionday icon
67
aqi not available
94 
        C San Bernardino-2
Actionday icon
67
aqi not available
94 
        Capistrano Vly
Actionday icon
87
aqi not available
35 
        Central Coastal
Actionday icon
76
aqi not available
35 
        Central LA CO
Actionday icon
97
aqi not available
54 
        Central Orange-1
Actionday icon
84
aqi not available
44 
        Central Orange-2
Actionday icon
84
aqi not available
44 
        Coachella Vly
Actionday icon
56
aqi not available
106 
        E San Bernardino
Actionday icon
64
aqi not available
25 
        E San Fernando Vly
Actionday icon
87
aqi not available
45 
        E San Gabriel V-1
Actionday icon
76
aqi not available
52 
        E San Gabriel V-2
Actionday icon
76
aqi not available
52 
        East Riverside CO
Actionday icon
44
aqi not available
 
        Hemet/San Jacinto
Actionday icon
57
aqi not available
34 
        Hesperia
Actionday icon
46
aqi not available
44 
        Lake Elsinore
Actionday icon
55
aqi not available
64 
        Metro Riverside CO
Actionday icon
97
aqi not available
91 
        N Coastal Orange
Actionday icon
59
aqi not available
33 
        NW Coastal LA
Actionday icon
82
aqi not available
33 
        NW San Bernardino
Actionday icon
73
aqi not available
94 
        Norco/Corona
Actionday icon
93
aqi not available
91 
        North Orange CO
Actionday icon
93
aqi not available
44 
        Perris Vly
Actionday icon
76
aqi not available
34 
        Phelan
Actionday icon
46
aqi not available
39 
        Pomona Walnut Vly
Actionday icon
95
aqi not available
        S Central LA CO
Actionday icon
102
aqi not available
        S San Gabriel Vly
Actionday icon
66
aqi not available
 
        SW Coastal LA
Actionday icon
84
aqi not available
33 
        SW San Bernardino
Actionday icon
65
aqi not available
94 
        Saddleback Vly
Actionday icon
78
aqi not available
44 
        San Gabriel Mts
Actionday icon
61
aqi not available
52 
        Santa Clarita Vly
Actionday icon
46
aqi not available
45 
        South Coastal LA
Actionday icon
84
aqi not available
33 
        Southeast LA CO
Actionday icon
91
aqi not available
44 
        Temecula Vly
Actionday icon
43
aqi not available
64 
        Trona
Actionday icon
38
aqi not available
31 
        Twentynine Palms
Actionday icon
44
aqi not available
15 
        Victorville
Actionday icon
46
aqi not available
45 
        W San Bernardino M
Actionday icon
57
aqi not available
94 
        W San Fernando Vly
Actionday icon
76
aqi not available
45 
        W San Gabriel Vly
Actionday icon
82
aqi not available
54 
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
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
23 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
25 
        Scotts Valley
Good
Good
 
        Watsonville
Good
aqi not available
 
Niland
82
59
45 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
13 
Paradise
Good
aqi not available
 
Point Arena
aqi not available
aqi not available
24 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
71 
Quincy
aqi not available
aqi not available
65 
Red Bluff
Good
aqi not available
52 
Redding
aqi not available
aqi not available
19 
Sacramento Area
        Arden Arcade-Del Paso Manor
55
80
20 
        Auburn
42
50
26 
        Colfax
42
50
37 
        Cool
aqi not available
aqi not available
 
        Davis
55
68
13 
        Elk Grove
55
80
        Folsom
55
80
 
        Lincoln
42
50
17 
        Natomas
55
80
 
        North Highlands
55
80
15 
        Placerville
aqi not available
aqi not available
27 
        Rio Vista
55
68
13 
        Roseville-Rocklin
42
50
18 
        Sacramento
55
80
23 
        Sloughhouse
55
80
13 
        Vacaville
55
68
25 
        Woodland
55
68
18 
San Diego Area
        San Diego Coast
Moderate
aqi not available
45 
        San Diego Foothills
Good
aqi not available
45 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
102 
San Francisco Area
        Concord
53
Moderate
23 
        Fairfield
53
Moderate
25 
        Fremont
55
Moderate
23 
        Livermore
53
Moderate
19 
        Napa
55
Moderate
20 
        Oakland
53
Moderate
21 
        Redwood City
55
Moderate
20 
        San Francisco
53
Moderate
19 
        San Jose
57
Moderate
25 
        San Rafael
55
Moderate
13 
        Santa Rosa
55
Moderate
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
Actionday icon
81
aqi not available
16 
        Fresno
Actionday icon
72
aqi not available
48 
        Hanford
102
aqi not available
12 
        Madera
Actionday icon
66
aqi not available
10 
        Merced
62
aqi not available
17 
        Modesto
64
aqi not available
19 
        Stockton
59
aqi not available
40 
        Visalia
Actionday icon
99
aqi not available
37 
San Luis Obispo County
        Atascadero
46
40
        Carrizo Plains
49
46
        Morro Bay
37
37
21 
        Nipomo
45
44
18 
        Paso Robles
49
38
        Red Hills
49
42
28 
        San Luis Obispo
33
36
17 
Santa Barbara County
        Carpinteria
Good
aqi not available
20 
        Gaviota Coast
Good
aqi not available
29 
        Goleta
Good
aqi not available
13 
        Lompoc
Good
aqi not available
28 
        Paradise Road
Good
aqi not available
14 
        Santa Barbara
Good
aqi not available
19 
        Santa Maria
Good
aqi not available
17 
        Santa Ynez
Good
aqi not available
13 
Santa Rosa Rancheria
aqi not available
aqi not available
18 
Sequoia/Kings Canyon National Parks
49
aqi not available
53 
South Lake Tahoe
aqi not available
aqi not available
St. Helena
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
Truckee
aqi not available
aqi not available
43 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
24 
Ukiah
aqi not available
aqi not available
24 
Ventura County Area
        Ojai
45
50
12 
        Oxnard
55
50
20 
        Piru
40
40
30 
        Simi Valley
45
50
45 
        Thousand Oaks
55
45
25 
Western Nevada County
50
50
52 
Westmorland
82
59
38 
Willits
aqi not available
aqi not available
37 
Willows
aqi not available
aqi not available
30 
Windsor
aqi not available
aqi not available
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
48
aqi not available
83 
Yreka
aqi not available
aqi not available
55 
Yuba City/Marysville
38
55
13 
Yucca Vly
Actionday icon
44
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.