California
 
Data courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20160926_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: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500) Action 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
Mon
Sep 26
Tue
Sep 27
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
14 
Bishop Paiute Tribe
aqi not available
aqi not available
14 
Chester
aqi not available
aqi not available
17 
Chico
Good
aqi not available
58 
Death Valley National Park
45 
aqi not available
41 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
14 
Greeley Hill
aqi not available
aqi not available
18 
Gridley
Good
aqi not available
 
Imperial Valley
46 
46 
32 
Joshua Tree National Park
aqi not available
aqi not available
43 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
41 
aqi not available
34 
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
18 
Los Angeles Area
        Antelope Vly
53 
aqi not available
21 
        Anza Vly
67 
aqi not available
41 
        Banning
67 
aqi not available
42 
        Barstow
42 
aqi not available
14 
        Big Bear Lake
42 
aqi not available
 
        C San Bernardino M
67 
aqi not available
49 
        C San Bernardino-1
67 
aqi not available
51 
        C San Bernardino-2
53 
aqi not available
51 
        Capistrano Vly
53 
aqi not available
42 
        Central Coastal
67 
aqi not available
42 
        Central LA CO
67 
aqi not available
71 
        Central Orange-1
67 
aqi not available
48 
        Central Orange-2
57 
aqi not available
48 
        Coachella Vly
57 
aqi not available
24 
        E San Bernardino
67 
aqi not available
38 
        E San Fernando Vly
67 
aqi not available
56 
        E San Gabriel V-1
67 
aqi not available
43 
        E San Gabriel V-2
67 
aqi not available
43 
        East Riverside CO
42 
aqi not available
 
        Hemet/San Jacinto
67 
aqi not available
41 
        Hesperia
46 
aqi not available
44 
        Lake Elsinore
67 
aqi not available
42 
        Metro Riverside CO
68 
aqi not available
33 
        N Coastal Orange
67 
aqi not available
71 
        NW Coastal LA
67 
aqi not available
71 
        NW San Bernardino
100 
aqi not available
51 
        Norco/Corona
67 
aqi not available
48 
        North Orange CO
67 
aqi not available
48 
        Perris Vly
67 
aqi not available
32 
        Phelan
46 
aqi not available
45 
        Pomona Walnut Vly
67 
aqi not available
44 
        S Central LA CO
53 
aqi not available
        S San Gabriel Vly
50 
aqi not available
        SW Coastal LA
67 
aqi not available
71 
        SW San Bernardino
100 
aqi not available
51 
        Saddleback Vly
100 
aqi not available
48 
        San Gabriel Mts
56 
aqi not available
43 
        Santa Clarita Vly
67 
aqi not available
22 
        South Coastal LA
67 
aqi not available
71 
        Southeast LA CO
53 
aqi not available
48 
        Temecula Vly
67 
aqi not available
41 
        Trona
42 
aqi not available
 
        Twentynine Palms
50 
aqi not available
14 
        Victorville
42 
aqi not available
 
        W San Bernardino M
50 
aqi not available
51 
        W San Fernando Vly
59 
aqi not available
56 
        W San Gabriel Vly
67 
aqi not available
44 
Mammoth Lakes
aqi not available
aqi not available
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
12 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
34 
        Davenport
Good
Good
 
        Hollister
Good
Good
31 
        King City
Good
Good
48 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Moderate
Moderate
34 
        Salinas
Good
Good
48 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
28 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
18 
Paradise
Good
aqi not available
42 
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
40 
aqi not available
41 
Sacramento Area
        Arden Arcade-Del Paso Manor
115 
105 
54 
        Auburn
112 
108 
42 
        Colfax
112 
108 
29 
        Cool
119 
112 
51 
        Davis
84 
67 
36 
        Elk Grove
115 
105 
52 
        Folsom
115 
105 
47 
        Lincoln
112 
108 
30 
        Natomas
115 
105 
28 
        North Highlands
115 
105 
23 
        Placerville
119 
112 
74 
        Rio Vista
84 
67 
29 
        Roseville-Rocklin
112 
108 
50 
        Sacramento
115 
105 
54 
        Sloughhouse
115 
105 
44 
        Vacaville
84 
67 
53 
        Woodland
84 
67 
26 
San Diego Area
        San Diego Coast
Moderate
aqi not available
64 
        San Diego Foothills
Moderate
aqi not available
44 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
51 
San Francisco Area
        Concord
132 
Moderate
27 
        Fairfield
132 
Moderate
33 
        Fremont
61 
Moderate
44 
        Livermore
132 
Moderate
46 
        Napa
61 
Moderate
45 
        Oakland
74 
Moderate
59 
        Redwood City
61 
Moderate
29 
        San Francisco
74 
Moderate
        San Jose
126 
Moderate
42 
        San Rafael
61 
Moderate
19 
        Santa Rosa
61 
Moderate
59 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
112 
Unhealthy for Sensitive Groups
55 
        Fresno
133 
Unhealthy for Sensitive Groups
57 
        Hanford
126 
Unhealthy for Sensitive Groups
55 
        Madera
105 
Unhealthy for Sensitive Groups
18 
        Merced
105 
Unhealthy for Sensitive Groups
55 
        Modesto
101 
Unhealthy for Sensitive Groups
64 
        Stockton
84 
Moderate
63 
        Visalia
133 
Unhealthy for Sensitive Groups
60 
San Luis Obispo County
        Atascadero
42 
41 
25 
        Carrizo Plains
44 
43 
21 
        Morro Bay
39 
37 
31 
        Nipomo
39 
37 
53 
        Paso Robles
48 
48 
25 
        Red Hills
48 
47 
51 
        San Luis Obispo
41 
40 
31 
Santa Barbara County
        Carpinteria
Good
aqi not available
36 
        Gaviota Coast
Good
aqi not available
51 
        Goleta
Good
aqi not available
28 
        Lompoc
Good
aqi not available
54 
        Paradise Road
Good
aqi not available
 
        Santa Barbara
Good
aqi not available
        Santa Maria
Good
aqi not available
34 
        Santa Ynez
Good
aqi not available
31 
Santa Rosa Rancheria
aqi not available
aqi not available
69 
Sequoia/Kings Canyon National Parks
64 
aqi not available
46 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
11 
Truckee
aqi not available
aqi not available
23 
Tuolumne City
aqi not available
aqi not available
12 
Tuolumne County
aqi not available
aqi not available
35 
Ventura County Area
        Ojai
60 
65 
20 
        Oxnard
60 
55 
52 
        Piru
55 
60 
30 
        Simi Valley
60 
100 
36 
        Thousand Oaks
75 
65 
32 
Western Nevada County
85 
85 
58 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
45 
aqi not available
91 
Yuba City/Marysville
Moderate
aqi not available
62 
Yucca Vly
48 
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.