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_20190425_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
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
Thu
Apr 25
Fri
Apr 26
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
34 
Bishop Paiute Tribe
aqi not available
aqi not available
21 
Brawley
101
97
21 
Calexico
101
97
42 
Chester
aqi not available
aqi not available
Chico
Good
aqi not available
33 
Death Valley National Park
42
aqi not available
35 
El Centro
101
97
41 
Eureka
aqi not available
aqi not available
21 
Forest Ranch
aqi not available
aqi not available
 
Fort Bragg
aqi not available
aqi not available
25 
Great Basin Air District
aqi not available
aqi not available
44 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
48 
Imperial Valley
101
97
52 
Joshua Tree National Park
aqi not available
aqi not available
77 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
36
aqi not available
19 
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
23 
Los Angeles Area
        Antelope Vly
92
aqi not available
71 
        Anza Vly
85
aqi not available
45 
        Banning
114
aqi not available
54 
        Barstow
92
aqi not available
31 
        Big Bear Lake
67
aqi not available
 
        C San Bernardino M
67
aqi not available
50 
        C San Bernardino-1
61
aqi not available
60 
        C San Bernardino-2
67
aqi not available
60 
        Capistrano Vly
48
aqi not available
27 
        Central Coastal
46
aqi not available
27 
        Central LA CO
72
aqi not available
60 
        Central Orange-1
50
aqi not available
35 
        Central Orange-2
50
aqi not available
35 
        Coachella Vly
98
aqi not available
90 
        E San Bernardino
73
aqi not available
19 
        E San Fernando Vly
74
aqi not available
59 
        E San Gabriel V-1
63
aqi not available
60 
        E San Gabriel V-2
63
aqi not available
60 
        East Riverside CO
104
aqi not available
 
        Hemet/San Jacinto
98
aqi not available
43 
        Hesperia
118
aqi not available
47 
        Lake Elsinore
79
aqi not available
45 
        Metro Riverside CO
118
aqi not available
52 
        N Coastal Orange
44
aqi not available
60 
        NW Coastal LA
50
aqi not available
60 
        NW San Bernardino
65
aqi not available
60 
        Norco/Corona
98
aqi not available
52 
        North Orange CO
59
aqi not available
35 
        Perris Vly
114
aqi not available
43 
        Phelan
118
aqi not available
61 
        Pomona Walnut Vly
73
aqi not available
        S Central LA CO
72
aqi not available
26 
        S San Gabriel Vly
65
aqi not available
 
        SW Coastal LA
54
aqi not available
60 
        SW San Bernardino
72
aqi not available
60 
        Saddleback Vly
57
aqi not available
35 
        San Gabriel Mts
95
aqi not available
60 
        Santa Clarita Vly
98
aqi not available
58 
        South Coastal LA
54
aqi not available
60 
        Southeast LA CO
67
aqi not available
35 
        Temecula Vly
79
aqi not available
45 
        Trona
73
aqi not available
46 
        Twentynine Palms
104
aqi not available
31 
        Victorville
104
aqi not available
87 
        W San Bernardino M
67
aqi not available
60 
        W San Fernando Vly
70
aqi not available
59 
        W San Gabriel Vly
59
aqi not available
58 
Mammoth Lakes
aqi not available
aqi not available
44 
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
Good
 
        Hollister
Good
Good
 
        King City
Good
Good
 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
 
        Salinas
Good
Good
34 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
51 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Niland
101
97
52 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
30 
Paradise
Good
aqi not available
33 
Point Arena
aqi not available
aqi not available
25 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
26 
Quincy
aqi not available
aqi not available
13 
Red Bluff
aqi not available
aqi not available
30 
Redding
aqi not available
aqi not available
54 
Sacramento Area
        Arden Arcade-Del Paso Manor
50
50
33 
        Auburn
50
42
35 
        Colfax
50
42
27 
        Cool
aqi not available
aqi not available
24 
        Davis
38
33
40 
        Elk Grove
50
50
31 
        Folsom
50
50
35 
        Lincoln
50
42
55 
        Natomas
50
50
 
        North Highlands
50
50
 
        Placerville
aqi not available
aqi not available
40 
        Rio Vista
38
33
 
        Roseville-Rocklin
50
42
50 
        Sacramento
50
50
25 
        Sloughhouse
50
50
33 
        Vacaville
38
33
29 
        Woodland
38
33
38 
San Diego Area
        San Diego Coast
Good
aqi not available
43 
        San Diego Foothills
Unhealthy for Sensitive Groups
aqi not available
56 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
40 
San Francisco Area
        Concord
46
Good
45 
        Fairfield
46
Good
55 
        Fremont
44
Good
68 
        Livermore
46
Good
28 
        Napa
40
Good
53 
        Oakland
45
Good
57 
        Redwood City
44
Good
68 
        San Francisco
45
Good
59 
        San Jose
46
Good
55 
        San Rafael
40
Good
55 
        Santa Rosa
40
Good
31 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
126
aqi not available
58 
        Fresno
119
aqi not available
40 
        Hanford
105
aqi not available
38 
        Madera
100
aqi not available
13 
        Merced
100
aqi not available
49 
        Modesto
97
aqi not available
30 
        Stockton
90
aqi not available
53 
        Visalia
100
aqi not available
61 
San Luis Obispo County
        Atascadero
52
46
36 
        Carrizo Plains
55
45
19 
        Morro Bay
45
40
32 
        Nipomo
46
42
33 
        Paso Robles
52
47
46 
        Red Hills
52
47
47 
        San Luis Obispo
48
43
37 
Santa Barbara County
        Carpinteria
Good
aqi not available
23 
        Gaviota Coast
Good
aqi not available
34 
        Goleta
Good
aqi not available
50 
        Lompoc
Good
aqi not available
38 
        Paradise Road
Good
aqi not available
31 
        Santa Barbara
Good
aqi not available
56 
        Santa Maria
Good
aqi not available
51 
        Santa Ynez
Good
aqi not available
21 
Santa Rosa Rancheria
aqi not available
aqi not available
47 
Sequoia/Kings Canyon National Parks
43
aqi not available
68 
South Lake Tahoe
aqi not available
aqi not available
11 
Tahoe City area
aqi not available
aqi not available
Truckee
aqi not available
aqi not available
55 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
26 
Ukiah
aqi not available
aqi not available
23 
Ventura County Area
        Ojai
65
55
33 
        Oxnard
50
50
51 
        Piru
65
55
41 
        Simi Valley
65
55
58 
        Thousand Oaks
60
50
32 
Western Nevada County
aqi not available
aqi not available
34 
Westmorland
101
97
37 
Willits
aqi not available
aqi not available
19 
Willows
aqi not available
aqi not available
 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
38
aqi not available
42 
Yreka
aqi not available
aqi not available
19 
Yuba City/Marysville
Good
aqi not available
54 
Yucca Vly
108
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.