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_20180723_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
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
Mon
Jul 23
Tue
Jul 24
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
29 
Bishop Paiute Tribe
aqi not available
aqi not available
Chester
aqi not available
aqi not available
31 
Chico
Moderate
aqi not available
51 
Death Valley National Park
41
aqi not available
50 
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
29 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
40 
Imperial Valley
aqi not available
aqi not available
63 
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
44
aqi not available
31 
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
21 
Los Angeles Area
        Antelope Vly
67
aqi not available
38 
        Anza Vly
46
aqi not available
43 
        Banning
100
aqi not available
53 
        Barstow
46
aqi not available
 
        Big Bear Lake
100
aqi not available
 
        C San Bernardino M
161
aqi not available
28 
        C San Bernardino-1
132
aqi not available
57 
        C San Bernardino-2
161
aqi not available
57 
        Capistrano Vly
37
aqi not available
14 
        Central Coastal
37
aqi not available
14 
        Central LA CO
46
aqi not available
47 
        Central Orange-1
37
aqi not available
29 
        Central Orange-2
37
aqi not available
29 
        Coachella Vly
100
aqi not available
64 
        E San Bernardino
161
aqi not available
23 
        E San Fernando Vly
67
aqi not available
45 
        E San Gabriel V-1
100
aqi not available
47 
        E San Gabriel V-2
100
aqi not available
47 
        East Riverside CO
46
aqi not available
 
        Hemet/San Jacinto
67
aqi not available
43 
        Hesperia
67
aqi not available
35 
        Lake Elsinore
100
aqi not available
30 
        Metro Riverside CO
132
aqi not available
47 
        N Coastal Orange
28
aqi not available
38 
        NW Coastal LA
37
aqi not available
38 
        NW San Bernardino
132
aqi not available
57 
        Norco/Corona
67
aqi not available
29 
        North Orange CO
46
aqi not available
29 
        Perris Vly
132
aqi not available
43 
        Phelan
100
aqi not available
44 
        Pomona Walnut Vly
67
aqi not available
18 
        S Central LA CO
28
aqi not available
23 
        S San Gabriel Vly
67
aqi not available
 
        SW Coastal LA
37
aqi not available
38 
        SW San Bernardino
100
aqi not available
57 
        Saddleback Vly
46
aqi not available
29 
        San Gabriel Mts
67
aqi not available
47 
        Santa Clarita Vly
100
aqi not available
35 
        South Coastal LA
37
aqi not available
38 
        Southeast LA CO
42
aqi not available
29 
        Temecula Vly
42
aqi not available
43 
        Trona
46
aqi not available
51 
        Twentynine Palms
67
aqi not available
 
        Victorville
46
aqi not available
43 
        W San Bernardino M
132
aqi not available
57 
        W San Fernando Vly
46
aqi not available
45 
        W San Gabriel Vly
100
aqi not available
47 
Mammoth Lakes
aqi not available
aqi not available
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
39 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
17 
        Davenport
Good
Good
 
        Hollister
Good
Good
19 
        King City
Good
Good
20 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
31 
        Salinas
Good
Good
32 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
32 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
21 
Paradise
Moderate
aqi not available
48 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
32 
Quincy
aqi not available
aqi not available
25 
Red Bluff
aqi not available
aqi not available
36 
Redding
aqi not available
aqi not available
71 
Sacramento Area
        Arden Arcade-Del Paso Manor
101
105
28 
        Auburn
108
112
41 
        Colfax
108
112
54 
        Cool
108
112
33 
        Davis
67
74
23 
        Elk Grove
101
105
26 
        Folsom
101
105
31 
        Lincoln
108
112
 
        Natomas
101
105
 
        North Highlands
101
105
28 
        Placerville
108
112
44 
        Rio Vista
67
74
28 
        Roseville-Rocklin
108
112
39 
        Sacramento
101
105
29 
        Sloughhouse
101
105
28 
        Vacaville
67
74
33 
        Woodland
67
74
35 
San Diego Area
        San Diego Coast
Good
aqi not available
33 
        San Diego Foothills
Unhealthy for Sensitive Groups
aqi not available
37 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
26 
San Francisco Area
        Concord
46
Good
45 
        Fairfield
46
Good
37 
        Fremont
42
Good
24 
        Livermore
46
Good
34 
        Napa
29
Good
 
        Oakland
53
Moderate
64 
        Redwood City
42
Good
24 
        San Francisco
53
Moderate
 
        San Jose
44
Good
39 
        San Rafael
29
Good
35 
        Santa Rosa
29
Good
25 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
87
Moderate
44 
        Fresno
71
Moderate
51 
        Hanford
67
Moderate
45 
        Madera
58
Moderate
40 
        Merced
58
Moderate
42 
        Modesto
67
Moderate
31 
        Stockton
49
Good
38 
        Visalia
74
Moderate
44 
San Luis Obispo County
        Atascadero
48
49
20 
        Carrizo Plains
63
61
31 
        Morro Bay
29
31
19 
        Nipomo
60
62
32 
        Paso Robles
49
50
27 
        Red Hills
76
75
31 
        San Luis Obispo
33
33
20 
Santa Barbara County
        Carpinteria
Good
aqi not available
16 
        Gaviota Coast
Good
aqi not available
43 
        Goleta
Good
aqi not available
35 
        Lompoc
Good
aqi not available
21 
        Paradise Road
Good
aqi not available
20 
        Santa Barbara
Good
aqi not available
30 
        Santa Maria
Good
aqi not available
17 
        Santa Ynez
Good
aqi not available
16 
Santa Rosa Rancheria
aqi not available
aqi not available
45 
Sequoia/Kings Canyon National Parks
61
aqi not available
67 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
70 
Truckee
aqi not available
aqi not available
76 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
43 
Ventura County Area
        Ojai
55
65
 
        Oxnard
45
50
 
        Piru
70
80
 
        Simi Valley
90
100
 
        Thousand Oaks
55
60
 
Western Nevada County
80
80
42 
Willits
aqi not available
aqi not available
 
Willows
Good
aqi not available
 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
41
aqi not available
162 
Yreka
aqi not available
aqi not available
133 
Yuba City/Marysville
48
aqi not available
35 
Yucca Vly
67
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.