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_20190617_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 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
Mon
Jun 17
Tue
Jun 18
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
35 
Bishop Paiute Tribe
aqi not available
aqi not available
20 
Brawley
93
100
52 
Calexico
93
100
59 
Chester
aqi not available
aqi not available
 
Chico
Moderate
Moderate
35 
Death Valley National Park
49
aqi not available
67 
El Centro
93
100
79 
Eureka
aqi not available
aqi not available
13 
Forest Ranch
aqi not available
aqi not available
 
Fort Bragg
aqi not available
aqi not available
34 
Great Basin Air District
aqi not available
aqi not available
35 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Moderate
Good
48 
Imperial Valley
93
100
79 
Indio - Twenty Nine Palms Reservation
aqi not available
aqi not available
44 
Joshua Tree National Park
aqi not available
aqi not available
51 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
40
aqi not available
27 
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
16 
Los Angeles Area
        Antelope Vly
76
aqi not available
42 
        Anza Vly
67
aqi not available
32 
        Banning
111
aqi not available
61 
        Barstow
67
aqi not available
41 
        Big Bear Lake
101
aqi not available
 
        C San Bernardino M
151
aqi not available
35 
        C San Bernardino-1
128
aqi not available
27 
        C San Bernardino-2
148
aqi not available
27 
        Capistrano Vly
42
aqi not available
35 
        Central Coastal
39
aqi not available
35 
        Central LA CO
54
aqi not available
38 
        Central Orange-1
46
aqi not available
31 
        Central Orange-2
46
aqi not available
31 
        Coachella Vly
131
aqi not available
44 
        E San Bernardino
134
aqi not available
27 
        E San Fernando Vly
54
aqi not available
33 
        E San Gabriel V-1
63
aqi not available
41 
        E San Gabriel V-2
63
aqi not available
41 
        East Riverside CO
73
aqi not available
 
        Hemet/San Jacinto
108
aqi not available
36 
        Hesperia
101
aqi not available
42 
        Lake Elsinore
51
aqi not available
32 
        Metro Riverside CO
101
aqi not available
35 
        N Coastal Orange
42
aqi not available
17 
        NW Coastal LA
50
aqi not available
38 
        NW San Bernardino
111
aqi not available
25 
        Norco/Corona
76
aqi not available
35 
        North Orange CO
47
aqi not available
31 
        Perris Vly
104
aqi not available
36 
        Phelan
108
aqi not available
48 
        Pomona Walnut Vly
54
aqi not available
19 
        S Central LA CO
42
aqi not available
29 
        S San Gabriel Vly
49
aqi not available
 
        SW Coastal LA
40
aqi not available
38 
        SW San Bernardino
89
aqi not available
25 
        Saddleback Vly
44
aqi not available
35 
        San Gabriel Mts
85
aqi not available
45 
        Santa Clarita Vly
101
aqi not available
45 
        South Coastal LA
38
aqi not available
27 
        Southeast LA CO
42
aqi not available
31 
        Temecula Vly
64
aqi not available
32 
        Trona
73
aqi not available
43 
        Twentynine Palms
73
aqi not available
41 
        Victorville
92
aqi not available
55 
        W San Bernardino M
98
aqi not available
35 
        W San Fernando Vly
51
aqi not available
33 
        W San Gabriel Vly
50
aqi not available
38 
Mammoth Lakes
aqi not available
aqi not available
16 
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
aqi not available
 
        Davenport
Good
aqi not available
 
        Hollister
Good
aqi not available
 
        King City
Good
aqi not available
 
        Marina/Seaside
Good
aqi not available
 
        Monterey Peninsula
Good
aqi not available
 
        Pinnacles National Monument
Good
aqi not available
 
        Salinas
Good
aqi not available
20 
        San Lorenzo Valley
Good
aqi not available
 
        Santa Cruz
Good
aqi not available
21 
        Scotts Valley
Good
aqi not available
 
        Watsonville
Good
aqi not available
 
Niland
93
100
55 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
29 
Paradise
Moderate
Moderate
21 
Point Arena
aqi not available
aqi not available
34 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
36 
Quincy
aqi not available
aqi not available
26 
Red Bluff
Good
Good
37 
Redding
aqi not available
aqi not available
27 
Sacramento Area
        Arden Arcade-Del Paso Manor
105
105
44 
        Auburn
112
105
47 
        Colfax
112
105
26 
        Cool
112
108
23 
        Davis
87
80
35 
        Elk Grove
105
105
46 
        Folsom
105
105
42 
        Lincoln
112
105
39 
        Natomas
105
105
 
        North Highlands
105
105
16 
        Placerville
112
108
23 
        Rio Vista
87
80
35 
        Roseville-Rocklin
112
105
40 
        Sacramento
105
105
46 
        Sloughhouse
105
105
34 
        Vacaville
87
80
29 
        Woodland
87
80
45 
San Diego Area
        San Diego Coast
Moderate
aqi not available
31 
        San Diego Foothills
Moderate
aqi not available
23 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
36 
San Francisco Area
        Concord
58
Moderate
33 
        Fairfield
58
Moderate
44 
        Fremont
51
Moderate
14 
        Livermore
58
Moderate
29 
        Napa
50
Moderate
36 
        Oakland
50
Moderate
49 
        Redwood City
51
Moderate
14 
        San Francisco
50
Moderate
37 
        San Jose
54
Moderate
19 
        San Rafael
50
Moderate
43 
        Santa Rosa
50
Moderate
20 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
80
aqi not available
35 
        Fresno
51
aqi not available
35 
        Hanford
54
aqi not available
17 
        Madera
50
aqi not available
13 
        Merced
49
aqi not available
40 
        Modesto
44
aqi not available
32 
        Stockton
44
aqi not available
40 
        Visalia
71
aqi not available
42 
San Luis Obispo County
        Atascadero
42
48
19 
        Carrizo Plains
45
51
26 
        Morro Bay
38
42
23 
        Nipomo
40
44
23 
        Paso Robles
45
51
19 
        Red Hills
45
51
20 
        San Luis Obispo
40
43
22 
Santa Barbara County
        Carpinteria
Good
Good
19 
        Gaviota Coast
Good
Good
23 
        Goleta
Good
Good
20 
        Lompoc
Good
Good
19 
        Paradise Road
Good
Good
11 
        Santa Barbara
Good
Good
20 
        Santa Maria
Good
Good
20 
        Santa Ynez
Good
Good
19 
Santa Rosa Rancheria
aqi not available
aqi not available
34 
Sequoia/Kings Canyon National Parks
43
aqi not available
57 
South Lake Tahoe
aqi not available
aqi not available
12 
Tahoe City area
aqi not available
aqi not available
11 
Truckee
aqi not available
aqi not available
14 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
26 
Ukiah
aqi not available
aqi not available
34 
Ventura County Area
        Ojai
40
40
24 
        Oxnard
35
35
 
        Piru
40
45
29 
        Simi Valley
45
50
39 
        Thousand Oaks
40
40
27 
Western Nevada County
aqi not available
aqi not available
36 
Westmorland
93
100
52 
Willits
aqi not available
aqi not available
25 
Willows
aqi not available
aqi not available
39 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
41
aqi not available
56 
Yreka
aqi not available
aqi not available
22 
Yuba City/Marysville
Moderate
aqi not available
49 
Yucca Vly
82
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.