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_20180619_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
Tue
Jun 19
Wed
Jun 20
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
45 
Bishop Paiute Tribe
aqi not available
aqi not available
20 
Chester
aqi not available
aqi not available
16 
Chico
Moderate
Moderate
49 
Death Valley National Park
39
37
51 
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
45 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
46 
Imperial Valley
101
105
90 
Joshua Tree National Park
aqi not available
aqi not available
84 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
39
51
35 
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
12 
Los Angeles Area
        Antelope Vly
46
67
93 
        Anza Vly
46
67
105 
        Banning
67
100
105 
        Barstow
46
50
93 
        Big Bear Lake
67
100
 
        C San Bernardino M
132
161
97 
        C San Bernardino-1
67
100
73 
        C San Bernardino-2
100
132
73 
        Capistrano Vly
37
50
48 
        Central Coastal
46
42
48 
        Central LA CO
46
55
86 
        Central Orange-1
37
50
39 
        Central Orange-2
42
42
39 
        Coachella Vly
100
100
129 
        E San Bernardino
67
132
64 
        E San Fernando Vly
37
50
86 
        E San Gabriel V-1
50
67
74 
        E San Gabriel V-2
50
57
74 
        East Riverside CO
46
50
 
        Hemet/San Jacinto
67
67
100 
        Hesperia
46
67
93 
        Lake Elsinore
67
100
105 
        Metro Riverside CO
100
67
80 
        N Coastal Orange
50
33
53 
        NW Coastal LA
37
46
53 
        NW San Bernardino
70
100
73 
        Norco/Corona
67
67
80 
        North Orange CO
46
50
40 
        Perris Vly
67
67
100 
        Phelan
67
67
84 
        Pomona Walnut Vly
50
55
42 
        S Central LA CO
37
33
42 
        S San Gabriel Vly
46
46
 
        SW Coastal LA
37
37
53 
        SW San Bernardino
67
67
73 
        Saddleback Vly
46
46
48 
        San Gabriel Mts
50
67
75 
        Santa Clarita Vly
67
67
75 
        South Coastal LA
37
38
53 
        Southeast LA CO
46
59
39 
        Temecula Vly
46
57
105 
        Trona
46
50
61 
        Twentynine Palms
67
67
93 
        Victorville
46
50
90 
        W San Bernardino M
67
100
97 
        W San Fernando Vly
46
66
86 
        W San Gabriel Vly
67
67
76 
Mammoth Lakes
aqi not available
aqi not available
19 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
37 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
27 
        Davenport
Good
Good
 
        Hollister
Good
Moderate
33 
        King City
Good
Moderate
37 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Moderate
43 
        Salinas
Good
Good
43 
        San Lorenzo Valley
Good
Moderate
 
        Santa Cruz
Good
Good
39 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
12 
Paradise
Moderate
Moderate
47 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
 
Quincy
aqi not available
aqi not available
16 
Red Bluff
Good
Good
45 
Redding
aqi not available
aqi not available
58 
Sacramento Area
        Arden Arcade-Del Paso Manor
100
93
56 
        Auburn
101
100
45 
        Colfax
101
100
43 
        Cool
101
100
41 
        Davis
67
58
43 
        Elk Grove
100
93
40 
        Folsom
100
93
41 
        Lincoln
101
100
 
        Natomas
100
93
 
        North Highlands
100
93
44 
        Placerville
101
100
42 
        Rio Vista
67
58
38 
        Roseville-Rocklin
101
100
42 
        Sacramento
100
93
29 
        Sloughhouse
100
93
54 
        Vacaville
67
58
23 
        Woodland
67
58
40 
San Diego Area
        San Diego Coast
Good
Good
54 
        San Diego Foothills
Moderate
Unhealthy for Sensitive Groups
44 
        San Diego Mesa and Inland Valley
Good
Moderate
42 
San Francisco Area
        Concord
61
48
 
        Fairfield
61
48
 
        Fremont
48
44
 
        Livermore
61
48
 
        Napa
46
44
 
        Oakland
50
50
 
        Redwood City
48
44
 
        San Francisco
50
50
 
        San Jose
61
48
 
        San Rafael
46
44
 
        Santa Rosa
46
44
 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
93
Moderate
64 
        Fresno
90
Moderate
64 
        Hanford
61
Moderate
48 
        Madera
50
Good
44 
        Merced
47
Good
40 
        Modesto
49
Good
42 
        Stockton
48
Good
35 
        Visalia
58
Moderate
74 
San Luis Obispo County
        Atascadero
42
47
46 
        Carrizo Plains
51
53
45 
        Morro Bay
33
36
31 
        Nipomo
55
56
31 
        Paso Robles
46
50
46 
        Red Hills
48
52
44 
        San Luis Obispo
40
42
28 
Santa Barbara County
        Carpinteria
Good
Good
 
        Gaviota Coast
Good
Good
31 
        Goleta
Good
Good
50 
        Lompoc
Good
Good
34 
        Paradise Road
Good
Good
35 
        Santa Barbara
Good
Good
52 
        Santa Maria
Good
Good
29 
        Santa Ynez
Good
Good
33 
Santa Rosa Rancheria
aqi not available
aqi not available
49 
Sequoia/Kings Canyon National Parks
54
84
71 
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
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
46 
Ventura County Area
        Ojai
55
70
52 
        Oxnard
50
55
40 
        Piru
55
80
56 
        Simi Valley
55
80
46 
        Thousand Oaks
55
80
55 
Western Nevada County
55
60
33 
Willits
aqi not available
aqi not available
 
Willows
Good
Good
44 
Yankee Hill
Good
aqi not available
 
Yosemite National Park
41
45
25 
Yreka
aqi not available
aqi not available
37 
Yuba City/Marysville
61
67
47 
Yucca Vly
46
67
 
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.