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_20180116_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
Tue
Jan 16
Wed
Jan 17
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
89 
Bishop Paiute Tribe
aqi not available
aqi not available
89 
Chester
aqi not available
aqi not available
 
Chico
Good
aqi not available
65 
Death Valley National Park
aqi not available
aqi not available
31 
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
60 
Imperial Valley
59
57
71 
Joshua Tree National Park
aqi not available
aqi not available
32 
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
38 
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
33
aqi not available
53 
        Anza Vly
38
aqi not available
36 
        Banning
42
aqi not available
50 
        Barstow
37
aqi not available
        Big Bear Lake
37
aqi not available
 
        C San Bernardino M
42
aqi not available
80 
        C San Bernardino-1
74
aqi not available
67 
        C San Bernardino-2
59
aqi not available
67 
        Capistrano Vly
38
aqi not available
27 
        Central Coastal
33
aqi not available
27 
        Central LA CO
42
aqi not available
88 
        Central Orange-1
46
aqi not available
71 
        Central Orange-2
53
aqi not available
71 
        Coachella Vly
50
aqi not available
33 
        E San Bernardino
50
aqi not available
 
        E San Fernando Vly
42
aqi not available
67 
        E San Gabriel V-1
55
aqi not available
78 
        E San Gabriel V-2
50
aqi not available
78 
        East Riverside CO
42
aqi not available
 
        Hemet/San Jacinto
38
aqi not available
36 
        Hesperia
42
aqi not available
25 
        Lake Elsinore
57
aqi not available
36 
        Metro Riverside CO
78
aqi not available
108 
        N Coastal Orange
55
aqi not available
88 
        NW Coastal LA
42
aqi not available
88 
        NW San Bernardino
59
aqi not available
67 
        Norco/Corona
63
aqi not available
97 
        North Orange CO
53
aqi not available
71 
        Perris Vly
72
aqi not available
36 
        Phelan
50
aqi not available
30 
        Pomona Walnut Vly
53
aqi not available
        S Central LA CO
38
aqi not available
20 
        S San Gabriel Vly
38
aqi not available
 
        SW Coastal LA
53
aqi not available
88 
        SW San Bernardino
76
aqi not available
67 
        Saddleback Vly
28
aqi not available
71 
        San Gabriel Mts
50
aqi not available
78 
        Santa Clarita Vly
42
aqi not available
41 
        South Coastal LA
53
aqi not available
88 
        Southeast LA CO
53
aqi not available
71 
        Temecula Vly
46
aqi not available
36 
        Trona
38
aqi not available
16 
        Twentynine Palms
33
aqi not available
        Victorville
42
aqi not available
        W San Bernardino M
55
aqi not available
80 
        W San Fernando Vly
46
aqi not available
67 
        W San Gabriel Vly
46
aqi not available
84 
Mammoth Lakes
aqi not available
aqi not available
13 
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
42 
        Davenport
Good
aqi not available
 
        Hollister
Good
Good
30 
        King City
Good
Good
36 
        Marina/Seaside
Good
aqi not available
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
15 
        Salinas
Good
Good
42 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
30 
        Scotts Valley
Good
Good
 
        Watsonville
Good
aqi not available
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
18 
Paradise
Good
aqi not available
11 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
184 
Quincy
aqi not available
aqi not available
98 
Red Bluff
aqi not available
aqi not available
 
Redding
aqi not available
aqi not available
110 
Sacramento Area
        Arden Arcade-Del Paso Manor
80
89
55 
        Auburn
33
53
45 
        Colfax
33
53
38 
        Cool
aqi not available
aqi not available
 
        Davis
59
70
66 
        Elk Grove
80
89
71 
        Folsom
80
89
58 
        Lincoln
33
53
 
        Natomas
80
89
 
        North Highlands
80
89
        Placerville
aqi not available
aqi not available
31 
        Rio Vista
59
70
55 
        Roseville-Rocklin
33
53
66 
        Sacramento
80
89
81 
        Sloughhouse
80
89
46 
        Vacaville
59
70
89 
        Woodland
59
70
67 
San Diego Area
        San Diego Coast
Moderate
aqi not available
62 
        San Diego Foothills
Good
aqi not available
43 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
26 
San Francisco Area
        Concord
61
Moderate
107 
        Fairfield
61
Moderate
104 
        Fremont
46
Good
74 
        Livermore
61
Moderate
        Napa
63
Moderate
81 
        Oakland
63
Moderate
70 
        Redwood City
46
Good
74 
        San Francisco
63
Moderate
59 
        San Jose
50
Good
67 
        San Rafael
63
Moderate
95 
        Santa Rosa
63
Moderate
67 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
78
Moderate
137 
        Fresno
72
Moderate
85 
        Hanford
70
Moderate
        Madera
64
Moderate
        Merced
66
Moderate
73 
        Modesto
66
Moderate
107 
        Stockton
64
Moderate
99 
        Visalia
72
Moderate
94 
San Luis Obispo County
        Atascadero
53
54
55 
        Carrizo Plains
35
36
        Morro Bay
36
35
16 
        Nipomo
43
46
33 
        Paso Robles
53
54
55 
        Red Hills
36
37
39 
        San Luis Obispo
38
39
21 
Santa Barbara County
        Carpinteria
Good
aqi not available
        Gaviota Coast
Good
aqi not available
34 
        Goleta
Good
aqi not available
51 
        Lompoc
Good
aqi not available
40 
        Paradise Road
Good
aqi not available
22 
        Santa Barbara
Good
aqi not available
61 
        Santa Maria
Good
aqi not available
31 
        Santa Ynez
Good
aqi not available
22 
Santa Rosa Rancheria
aqi not available
aqi not available
37 
Sequoia/Kings Canyon National Parks
aqi not available
aqi not available
20 
South Lake Tahoe
aqi not available
aqi not available
15 
Tahoe City area
aqi not available
aqi not available
17 
Truckee
aqi not available
aqi not available
72 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
Ventura County Area
        Ojai
50
50
45 
        Oxnard
45
45
 
        Piru
45
45
        Simi Valley
45
45
66 
        Thousand Oaks
45
45
72 
Western Nevada County
aqi not available
aqi not available
28 
Willits
aqi not available
aqi not available
 
Willows
Good
aqi not available
19 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
aqi not available
aqi not available
34 
Yuba City/Marysville
Moderate
aqi not available
79 
Yucca Vly
42
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.