California
 
Data courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20160827_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
Sat
Aug 27
Sun
Aug 28
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
43 
Bishop Paiute Tribe
aqi not available
aqi not available
39 
Chester
aqi not available
aqi not available
27 
Chico
Good
Good
48 
Death Valley National Park
48 
aqi not available
50 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
60 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
 
Imperial Valley
57 
57 
58 
Joshua Tree National Park
aqi not available
aqi not available
49 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
49 
aqi not available
44 
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
54 
Los Angeles Area
        Antelope Vly
67 
67 
87 
        Anza Vly
53 
67 
32 
        Banning
100 
100 
110 
        Barstow
46 
46 
84 
        Big Bear Lake
132 
67 
 
        C San Bernardino M
161 
161 
48 
        C San Bernardino-1
132 
100 
110 
        C San Bernardino-2
132 
100 
110 
        Capistrano Vly
53 
53 
34 
        Central Coastal
55 
46 
34 
        Central LA CO
57 
53 
86 
        Central Orange-1
46 
46 
52 
        Central Orange-2
55 
53 
52 
        Coachella Vly
100 
100 
45 
        E San Bernardino
132 
161 
21 
        E San Fernando Vly
55 
67 
86 
        E San Gabriel V-1
63 
67 
71 
        E San Gabriel V-2
100 
100 
71 
        East Riverside CO
50 
50 
42 
        Hemet/San Jacinto
67 
67 
32 
        Hesperia
67 
100 
61 
        Lake Elsinore
100 
132 
68 
        Metro Riverside CO
132 
132 
75 
        N Coastal Orange
46 
46 
34 
        NW Coastal LA
50 
46 
34 
        NW San Bernardino
100 
100 
110 
        Norco/Corona
67 
100 
75 
        North Orange CO
55 
55 
52 
        Perris Vly
100 
132 
23 
        Phelan
100 
67 
77 
        Pomona Walnut Vly
67 
67 
19 
        S Central LA CO
42 
38 
28 
        S San Gabriel Vly
67 
67 
24 
        SW Coastal LA
50 
46 
34 
        SW San Bernardino
100 
68 
110 
        Saddleback Vly
50 
50 
52 
        San Gabriel Mts
59 
59 
79 
        Santa Clarita Vly
100 
100 
79 
        South Coastal LA
50 
50 
30 
        Southeast LA CO
57 
55 
52 
        Temecula Vly
100 
100 
32 
        Trona
50 
50 
74 
        Twentynine Palms
100 
100 
84 
        Victorville
50 
50 
61 
        W San Bernardino M
67 
100 
110 
        W San Fernando Vly
67 
67 
86 
        W San Gabriel Vly
57 
55 
70 
Mammoth Lakes
aqi not available
aqi not available
20 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
30 
Mono Lake
aqi not available
aqi not available
18 
Monterey Bay Area
        Carmel Valley
Moderate
Good
25 
        Davenport
Good
Good
 
        Hollister
Good
Good
24 
        King City
Moderate
Good
34 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Moderate
Good
22 
        Salinas
Good
Good
36 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
36 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
60 
Paradise
Moderate
Moderate
31 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
12 
Quincy
aqi not available
aqi not available
51 
Red Bluff
aqi not available
aqi not available
 
Redding
60 
aqi not available
66 
Sacramento Area
        Arden Arcade-Del Paso Manor
51 
67 
39 
        Auburn
97 
100 
31 
        Colfax
97 
100 
58 
        Cool
80 
90 
34 
        Davis
45 
49 
35 
        Elk Grove
51 
67 
55 
        Folsom
51 
67 
27 
        Lincoln
97 
100 
27 
        Natomas
51 
67 
23 
        North Highlands
51 
67 
27 
        Placerville
80 
90 
42 
        Rio Vista
45 
49 
35 
        Roseville-Rocklin
97 
100 
34 
        Sacramento
51 
67 
39 
        Sloughhouse
51 
67 
55 
        Vacaville
45 
49 
50 
        Woodland
45 
49 
16 
San Diego Area
        San Diego Coast
Moderate
Moderate
45 
        San Diego Foothills
Moderate
Moderate
52 
        San Diego Mesa and Inland Valley
Moderate
Moderate
55 
San Francisco Area
        Concord
46 
48 
29 
        Fairfield
46 
48 
29 
        Fremont
53 
53 
53 
        Livermore
46 
48 
35 
        Napa
37 
39 
49 
        Oakland
40 
41 
30 
        Redwood City
53 
53 
53 
        San Francisco
40 
41 
40 
        San Jose
57 
53 
33 
        San Rafael
37 
39 
39 
        Santa Rosa
37 
39 
27 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
126 
Unhealthy for Sensitive Groups
36 
        Fresno
101 
Unhealthy for Sensitive Groups
34 
        Hanford
112 
Unhealthy for Sensitive Groups
36 
        Madera
77 
Moderate
22 
        Merced
74 
Moderate
59 
        Modesto
58 
Moderate
48 
        Stockton
50 
Good
47 
        Visalia
119 
Unhealthy for Sensitive Groups
59 
San Luis Obispo County
        Atascadero
54 
54 
30 
        Carrizo Plains
96 
95 
35 
        Morro Bay
47 
46 
22 
        Nipomo
45 
45 
28 
        Paso Robles
78 
76 
30 
        Red Hills
77 
75 
26 
        San Luis Obispo
50 
49 
29 
Santa Barbara County
        Carpinteria
Good
aqi not available
26 
        Gaviota Coast
Good
aqi not available
31 
        Goleta
Good
aqi not available
33 
        Lompoc
Good
aqi not available
30 
        Paradise Road
Good
aqi not available
19 
        Santa Barbara
Good
aqi not available
32 
        Santa Maria
Good
aqi not available
25 
        Santa Ynez
Good
aqi not available
20 
Santa Rosa Rancheria
aqi not available
aqi not available
45 
Sequoia/Kings Canyon National Parks
80 
aqi not available
67 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
64 
Truckee
aqi not available
aqi not available
 
Tuolumne City
aqi not available
aqi not available
52 
Tuolumne County
aqi not available
aqi not available
46 
Ventura County Area
        Ojai
Good
Good
47 
        Oxnard
Good
Good
56 
        Piru
Moderate
Moderate
75 
        Simi Valley
Moderate
Moderate
76 
        Thousand Oaks
Moderate
Moderate
66 
Western Nevada County
75 
75 
84 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
49 
aqi not available
52 
Yuba City/Marysville
Moderate
aqi not available
57 
Yucca Vly
67 
67 
 
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.