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_20190825_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
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 Air Resources 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
Aug 25
Mon
Aug 26
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
44 
Bishop Paiute Tribe
aqi not available
aqi not available
24 
Brawley
41
44
13 
Calexico
41
44
35 
Chester
aqi not available
aqi not available
25 
Chico
Moderate
Moderate
48 
Death Valley National Park
58
47
47 
El Centro
41
44
35 
Eureka
aqi not available
aqi not available
20 
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
44 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Moderate
35 
Imperial Valley
41
44
35 
Indio - Twenty Nine Palms Reservation
aqi not available
aqi not available
33 
Joshua Tree National Park
aqi not available
aqi not available
44 
La Grange
aqi not available
aqi not available
 
Lassen Volcanic National Park
45
41
39 
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
15 
Los Angeles Area
        Antelope Vly
67
61
13 
        Anza Vly
58
50
49 
        Banning
126
150
45 
        Barstow
74
64
43 
        Big Bear Lake
115
143
 
        C San Bernardino M
169
182
108 
        C San Bernardino-1
150
161
74 
        C San Bernardino-2
150
161
74 
        Capistrano Vly
44
40
51 
        Central Coastal
40
38
51 
        Central LA CO
57
59
64 
        Central Orange-1
44
40
53 
        Central Orange-2
44
38
53 
        Coachella Vly
97
74
31 
        E San Bernardino
174
200
126 
        E San Fernando Vly
74
59
64 
        E San Gabriel V-1
77
80
101 
        E San Gabriel V-2
77
80
101 
        East Riverside CO
80
77
 
        Hemet/San Jacinto
100
122
84 
        Hesperia
105
126
67 
        Lake Elsinore
80
67
49 
        Metro Riverside CO
105
140
51 
        N Coastal Orange
40
37
60 
        NW Coastal LA
63
63
60 
        NW San Bernardino
122
126
 
        Norco/Corona
90
101
53 
        North Orange CO
51
45
53 
        Perris Vly
115
126
84 
        Phelan
105
112
77 
        Pomona Walnut Vly
97
80
 
        S Central LA CO
63
61
44 
        S San Gabriel Vly
87
57
 
        SW Coastal LA
66
66
60 
        SW San Bernardino
97
100
 
        Saddleback Vly
49
44
53 
        San Gabriel Mts
100
105
101 
        Santa Clarita Vly
115
112
50 
        South Coastal LA
53
42
60 
        Southeast LA CO
57
55
53 
        Temecula Vly
50
50
49 
        Trona
80
64
50 
        Twentynine Palms
80
77
43 
        Victorville
74
105
64 
        W San Bernardino M
143
136
108 
        W San Fernando Vly
80
53
64 
        W San Gabriel Vly
71
55
90 
Mammoth Lakes
aqi not available
aqi not available
30 
Markleeville
aqi not available
aqi not available
 
Mendocino County
aqi not available
aqi not available
 
Mono Lake
aqi not available
aqi not available
20 
Monterey Bay Area
        Carmel Valley
Good
Good
 
        Davenport
Good
Good
 
        Hollister
Moderate
Moderate
 
        King City
Moderate
Moderate
 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Moderate
Moderate
 
        Salinas
Good
Good
42 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
19 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Niland
41
44
15 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
25 
Paradise
Moderate
Moderate
47 
Point Arena
aqi not available
aqi not available
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
33 
Quincy
aqi not available
aqi not available
19 
Red Bluff
aqi not available
aqi not available
41 
Redding
aqi not available
aqi not available
45 
Sacramento Area
        Arden Arcade-Del Paso Manor
93
108
50 
        Auburn
101
122
50 
        Colfax
101
122
40 
        Cool
101
122
48 
        Davis
58
84
44 
        Elk Grove
93
108
44 
        Folsom
93
108
 
        Lincoln
101
122
31 
        Natomas
93
108
 
        North Highlands
93
108
67 
        Placerville
101
122
48 
        Rio Vista
58
84
25 
        Roseville-Rocklin
101
122
58 
        Sacramento
93
108
42 
        Sloughhouse
93
108
46 
        Vacaville
58
84
43 
        Woodland
58
84
43 
San Diego Area
        San Diego Coast
Good
Good
45 
        San Diego Foothills
Unhealthy for Sensitive Groups
Moderate
51 
        San Diego Mesa and Inland Valley
Moderate
Moderate
70 
San Francisco Area
        Concord
93
101
43 
        Fairfield
93
101
42 
        Fremont
53
57
58 
        Livermore
93
101
47 
        Napa
55
55
32 
        Oakland
61
59
40 
        Redwood City
53
57
58 
        San Francisco
61
59
28 
        San Jose
84
93
61 
        San Rafael
55
55
32 
        Santa Rosa
55
55
30 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
108
50
54 
        Fresno
101
50
58 
        Hanford
77
50
47 
        Madera
74
50
43 
        Merced
50
50
46 
        Modesto
48
50
54 
        Stockton
49
50
45 
        Visalia
90
50
54 
San Luis Obispo County
        Atascadero
41
30
36 
        Carrizo Plains
59
50
47 
        Morro Bay
37
23
27 
        Nipomo
42
41
26 
        Paso Robles
43
38
38 
        Red Hills
48
42
42 
        San Luis Obispo
41
19
27 
Santa Barbara County
        Carpinteria
Good
Good
35 
        Gaviota Coast
Good
Good
33 
        Goleta
Good
Good
32 
        Lompoc
Good
Good
31 
        Paradise Road
Good
Good
24 
        Santa Barbara
Good
Good
32 
        Santa Maria
Good
Good
22 
        Santa Ynez
Good
Good
27 
Santa Rosa Rancheria
aqi not available
aqi not available
47 
Sequoia/Kings Canyon National Parks
61
71
84 
South Lake Tahoe
aqi not available
aqi not available
19 
Tahoe City area
aqi not available
aqi not available
Truckee
aqi not available
aqi not available
12 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
48 
Ukiah
aqi not available
aqi not available
Ventura County Area
        Ojai
70
70
32 
        Oxnard
45
45
32 
        Piru
85
85
56 
        Simi Valley
85
85
41 
        Thousand Oaks
60
60
42 
Western Nevada County
80
85
45 
Westmorland
41
44
19 
Willits
aqi not available
aqi not available
38 
Willows
aqi not available
aqi not available
42 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
48
45
61 
Yreka
aqi not available
aqi not available
36 
Yuba City/Marysville
47
64
48 
Yucca Vly
84
77
 
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.