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_20180624_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
Sun
Jun 24
Mon
Jun 25
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
 
Chico
Good
Good
46 
Death Valley National Park
61
aqi not available
87 
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
33 
Imperial Valley
87
67
48 
Joshua Tree National Park
aqi not available
aqi not available
101 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
41
aqi not available
46 
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
25 
Los Angeles Area
        Antelope Vly
100
67
100 
        Anza Vly
67
67
52 
        Banning
161
100
63 
        Barstow
67
67
101 
        Big Bear Lake
132
132
 
        C San Bernardino M
187
187
77 
        C San Bernardino-1
132
161
80 
        C San Bernardino-2
132
161
80 
        Capistrano Vly
46
50
33 
        Central Coastal
55
46
33 
        Central LA CO
67
53
68 
        Central Orange-1
67
46
37 
        Central Orange-2
46
50
37 
        Coachella Vly
161
132
48 
        E San Bernardino
161
161
33 
        E San Fernando Vly
100
67
68 
        E San Gabriel V-1
100
100
64 
        E San Gabriel V-2
132
132
64 
        East Riverside CO
50
50
 
        Hemet/San Jacinto
100
100
52 
        Hesperia
132
100
84 
        Lake Elsinore
161
132
31 
        Metro Riverside CO
132
161
73 
        N Coastal Orange
55
55
38 
        NW Coastal LA
46
46
38 
        NW San Bernardino
161
132
80 
        Norco/Corona
132
100
73 
        North Orange CO
67
67
37 
        Perris Vly
132
132
52 
        Phelan
100
100
97 
        Pomona Walnut Vly
67
100
27 
        S Central LA CO
57
57
29 
        S San Gabriel Vly
67
67
 
        SW Coastal LA
46
46
38 
        SW San Bernardino
100
100
80 
        Saddleback Vly
67
67
37 
        San Gabriel Mts
132
100
68 
        Santa Clarita Vly
132
132
68 
        South Coastal LA
67
37
38 
        Southeast LA CO
67
50
37 
        Temecula Vly
67
67
52 
        Trona
67
50
93 
        Twentynine Palms
132
100
101 
        Victorville
50
50
80 
        W San Bernardino M
132
132
80 
        W San Fernando Vly
84
84
68 
        W San Gabriel Vly
67
67
60 
Mammoth Lakes
aqi not available
aqi not available
10 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
26 
Mono Lake
aqi not available
aqi not available
11 
Monterey Bay Area
        Carmel Valley
Good
Good
22 
        Davenport
Good
Good
 
        Hollister
Moderate
Good
34 
        King City
Moderate
Good
52 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Moderate
Good
25 
        Salinas
Good
Good
52 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
37 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
31 
Paradise
Moderate
Moderate
 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
 
Quincy
aqi not available
aqi not available
Red Bluff
aqi not available
aqi not available
 
Redding
41
51
37 
Sacramento Area
        Arden Arcade-Del Paso Manor
84
58
42 
        Auburn
84
64
45 
        Colfax
84
64
48 
        Cool
87
67
39 
        Davis
54
50
32 
        Elk Grove
84
58
33 
        Folsom
84
58
41 
        Lincoln
84
64
 
        Natomas
84
58
 
        North Highlands
84
58
42 
        Placerville
87
67
44 
        Rio Vista
54
50
33 
        Roseville-Rocklin
84
64
44 
        Sacramento
84
58
28 
        Sloughhouse
84
58
40 
        Vacaville
54
50
31 
        Woodland
54
50
31 
San Diego Area
        San Diego Coast
Moderate
Good
43 
        San Diego Foothills
Unhealthy for Sensitive Groups
Unhealthy for Sensitive Groups
51 
        San Diego Mesa and Inland Valley
Moderate
Moderate
48 
San Francisco Area
        Concord
54
48
58 
        Fairfield
54
48
35 
        Fremont
45
43
56 
        Livermore
54
48
57 
        Napa
44
40
 
        Oakland
48
53
40 
        Redwood City
45
43
56 
        San Francisco
48
53
41 
        San Jose
54
51
32 
        San Rafael
44
40
32 
        Santa Rosa
44
40
30 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
143
Unhealthy for Sensitive Groups
80 
        Fresno
133
Unhealthy for Sensitive Groups
50 
        Hanford
108
Unhealthy for Sensitive Groups
42 
        Madera
108
Unhealthy for Sensitive Groups
34 
        Merced
67
Moderate
45 
        Modesto
108
Unhealthy for Sensitive Groups
38 
        Stockton
87
Moderate
48 
        Visalia
122
Unhealthy for Sensitive Groups
51 
San Luis Obispo County
        Atascadero
58
51
30 
        Carrizo Plains
63
55
34 
        Morro Bay
34
34
27 
        Nipomo
39
38
27 
        Paso Robles
59
53
34 
        Red Hills
59
51
35 
        San Luis Obispo
46
44
Santa Barbara County
        Carpinteria
Good
Good
30 
        Gaviota Coast
Good
Good
27 
        Goleta
Good
Good
30 
        Lompoc
Good
Good
33 
        Paradise Road
Good
Good
25 
        Santa Barbara
Good
Good
36 
        Santa Maria
Good
Good
23 
        Santa Ynez
Good
Good
28 
Santa Rosa Rancheria
aqi not available
aqi not available
56 
Sequoia/Kings Canyon National Parks
84
aqi not available
84 
South Lake Tahoe
aqi not available
aqi not available
Tahoe City area
aqi not available
aqi not available
Truckee
aqi not available
aqi not available
19 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
41 
Ventura County Area
        Ojai
50
50
55 
        Oxnard
50
50
29 
        Piru
55
55
56 
        Simi Valley
55
55
59 
        Thousand Oaks
50
50
37 
Western Nevada County
70
75
49 
Willits
aqi not available
aqi not available
 
Willows
Good
aqi not available
37 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
47
aqi not available
44 
Yreka
aqi not available
aqi not available
33 
Yuba City/Marysville
71
aqi not available
40 
Yucca Vly
132
100
 
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.