California
 
Data and Forecasts courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20170627_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: 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
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 27
Wed
Jun 28
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
23 
Bishop Paiute Tribe
aqi not available
aqi not available
 
Chester
aqi not available
aqi not available
 
Chico
Good
Moderate
52 
Death Valley National Park
43 
aqi not available
32 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
32 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
25 
Imperial Valley
103 
50 
56 
Joshua Tree National Park
aqi not available
aqi not available
33 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
44 
aqi not available
23 
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
19 
Los Angeles Area
        Antelope Vly
67 
aqi not available
52 
        Anza Vly
67 
aqi not available
29 
        Banning
132 
aqi not available
50 
        Barstow
67 
aqi not available
 
        Big Bear Lake
132 
aqi not available
 
        C San Bernardino M
187 
aqi not available
33 
        C San Bernardino-1
132 
aqi not available
38 
        C San Bernardino-2
187 
aqi not available
38 
        Capistrano Vly
50 
aqi not available
16 
        Central Coastal
55 
aqi not available
16 
        Central LA CO
63 
aqi not available
71 
        Central Orange-1
50 
aqi not available
61 
        Central Orange-2
53 
aqi not available
61 
        Coachella Vly
132 
aqi not available
31 
        E San Bernardino
187 
aqi not available
22 
        E San Fernando Vly
100 
aqi not available
56 
        E San Gabriel V-1
132 
aqi not available
33 
        E San Gabriel V-2
132 
aqi not available
33 
        East Riverside CO
50 
aqi not available
37 
        Hemet/San Jacinto
100 
aqi not available
29 
        Hesperia
100 
aqi not available
 
        Lake Elsinore
132 
aqi not available
32 
        Metro Riverside CO
161 
aqi not available
81 
        N Coastal Orange
55 
aqi not available
27 
        NW Coastal LA
46 
aqi not available
27 
        NW San Bernardino
161 
aqi not available
38 
        Norco/Corona
100 
aqi not available
61 
        North Orange CO
55 
aqi not available
61 
        Perris Vly
161 
aqi not available
17 
        Phelan
132 
aqi not available
 
        Pomona Walnut Vly
100 
aqi not available
        S Central LA CO
42 
aqi not available
        S San Gabriel Vly
67 
aqi not available
 
        SW Coastal LA
38 
aqi not available
27 
        SW San Bernardino
132 
aqi not available
38 
        Saddleback Vly
46 
aqi not available
61 
        San Gabriel Mts
100 
aqi not available
42 
        Santa Clarita Vly
132 
aqi not available
42 
        South Coastal LA
50 
aqi not available
27 
        Southeast LA CO
61 
aqi not available
61 
        Temecula Vly
57 
aqi not available
29 
        Trona
46 
aqi not available
27 
        Twentynine Palms
100 
aqi not available
 
        Victorville
50 
aqi not available
22 
        W San Bernardino M
132 
aqi not available
38 
        W San Fernando Vly
67 
aqi not available
56 
        W San Gabriel Vly
132 
aqi not available
71 
Mammoth Lakes
aqi not available
aqi not available
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
        Davenport
Good
Good
 
        Hollister
Good
Good
17 
        King City
Good
Good
14 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
11 
        Salinas
Good
Good
19 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
14 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
32 
Paradise
Good
Good
27 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
 
Quincy
aqi not available
aqi not available
19 
Red Bluff
aqi not available
aqi not available
 
Redding
42 
aqi not available
64 
Sacramento Area
        Arden Arcade-Del Paso Manor
46 
58 
18 
        Auburn
50 
64 
24 
        Colfax
50 
64 
22 
        Cool
50 
67 
 
        Davis
44 
58 
 
        Elk Grove
46 
58 
28 
        Folsom
46 
58 
15 
        Lincoln
50 
64 
27 
        Natomas
46 
58 
 
        North Highlands
46 
58 
18 
        Placerville
50 
67 
37 
        Rio Vista
44 
58 
13 
        Roseville-Rocklin
50 
64 
16 
        Sacramento
46 
58 
18 
        Sloughhouse
46 
58 
28 
        Vacaville
44 
58 
18 
        Woodland
44 
58 
15 
San Diego Area
        San Diego Coast
Good
aqi not available
11 
        San Diego Foothills
Moderate
aqi not available
31 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
130 
San Francisco Area
        Concord
39 
Good
27 
        Fairfield
39 
Good
19 
        Fremont
33 
Good
19 
        Livermore
39 
Good
17 
        Napa
33 
Good
19 
        Oakland
35 
Good
19 
        Redwood City
33 
Good
19 
        San Francisco
35 
Good
18 
        San Jose
38 
Good
19 
        San Rafael
33 
Good
16 
        Santa Rosa
33 
Good
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
61 
Moderate
30 
        Fresno
48 
Good
18 
        Hanford
45 
Good
18 
        Madera
45 
Good
15 
        Merced
43 
Good
16 
        Modesto
44 
Good
18 
        Stockton
40 
Good
15 
        Visalia
50 
Good
23 
San Luis Obispo County
        Atascadero
37 
38 
10 
        Carrizo Plains
44 
46 
16 
        Morro Bay
29 
30 
19 
        Nipomo
58 
62 
48 
        Paso Robles
40 
41 
18 
        Red Hills
43 
44 
27 
        San Luis Obispo
28 
29 
20 
Santa Barbara County
        Carpinteria
Good
aqi not available
14 
        Gaviota Coast
Good
aqi not available
22 
        Goleta
Good
aqi not available
19 
        Lompoc
Good
aqi not available
26 
        Paradise Road
Good
aqi not available
        Santa Barbara
Good
aqi not available
14 
        Santa Maria
Good
aqi not available
18 
        Santa Ynez
Good
aqi not available
10 
Santa Rosa Rancheria
aqi not available
aqi not available
30 
Sequoia/Kings Canyon National Parks
90 
aqi not available
38 
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
 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
23 
Ventura County Area
        Ojai
55 
55 
24 
        Oxnard
45 
45 
50 
        Piru
70 
60 
32 
        Simi Valley
95 
90 
28 
        Thousand Oaks
55 
55 
22 
Western Nevada County
95 
90 
64 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
40 
aqi not available
46 
Yuba City/Marysville
Good
aqi not available
15 
Yucca Vly
100 
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.