California
 
Data courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20160828_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
Sun
Aug 28
Mon
Aug 29
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
54 
Bishop Paiute Tribe
aqi not available
aqi not available
44 
Chester
aqi not available
aqi not available
48 
Chico
Good
Good
55 
Death Valley National Park
51 
50 
49 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
66 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
 
Imperial Valley
57 
61 
64 
Joshua Tree National Park
aqi not available
aqi not available
58 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
48 
49 
 
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
62 
Los Angeles Area
        Antelope Vly
67 
67 
119 
        Anza Vly
67 
67 
119 
        Banning
100 
100 
67 
        Barstow
46 
67 
101 
        Big Bear Lake
67 
100 
 
        C San Bernardino M
161 
161 
105 
        C San Bernardino-1
100 
100 
164 
        C San Bernardino-2
100 
132 
164 
        Capistrano Vly
53 
37 
119 
        Central Coastal
46 
46 
119 
        Central LA CO
53 
50 
140 
        Central Orange-1
46 
46 
64 
        Central Orange-2
53 
42 
64 
        Coachella Vly
100 
100 
80 
        E San Bernardino
161 
161 
133 
        E San Fernando Vly
67 
67 
140 
        E San Gabriel V-1
67 
100 
136 
        E San Gabriel V-2
100 
100 
136 
        East Riverside CO
50 
46 
46 
        Hemet/San Jacinto
67 
67 
119 
        Hesperia
100 
67 
84 
        Lake Elsinore
132 
100 
136 
        Metro Riverside CO
132 
132 
164 
        N Coastal Orange
46 
46 
60 
        NW Coastal LA
46 
42 
60 
        NW San Bernardino
100 
132 
161 
        Norco/Corona
100 
67 
159 
        North Orange CO
55 
46 
108 
        Perris Vly
132 
100 
105 
        Phelan
67 
67 
77 
        Pomona Walnut Vly
67 
67 
122 
        S Central LA CO
38 
46 
51 
        S San Gabriel Vly
67 
67 
80 
        SW Coastal LA
46 
37 
60 
        SW San Bernardino
68 
100 
161 
        Saddleback Vly
50 
46 
119 
        San Gabriel Mts
59 
67 
156 
        Santa Clarita Vly
100 
100 
156 
        South Coastal LA
50 
38 
60 
        Southeast LA CO
55 
50 
80 
        Temecula Vly
100 
67 
119 
        Trona
50 
46 
90 
        Twentynine Palms
100 
67 
101 
        Victorville
50 
46 
64 
        W San Bernardino M
100 
100 
161 
        W San Fernando Vly
67 
46 
140 
        W San Gabriel Vly
55 
67 
119 
Mammoth Lakes
aqi not available
aqi not available
27 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
63 
Mono Lake
aqi not available
aqi not available
16 
Monterey Bay Area
        Carmel Valley
Good
Good
25 
        Davenport
Good
Good
 
        Hollister
Good
Good
37 
        King City
Good
Good
27 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
44 
        Salinas
Good
Good
44 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
33 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
66 
Paradise
Moderate
Moderate
39 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
46 
Quincy
aqi not available
aqi not available
45 
Red Bluff
aqi not available
aqi not available
 
Redding
70 
70 
77 
Sacramento Area
        Arden Arcade-Del Paso Manor
47 
48 
48 
        Auburn
71 
64 
43 
        Colfax
71 
64 
52 
        Cool
77 
67 
44 
        Davis
43 
44 
33 
        Elk Grove
47 
48 
36 
        Folsom
47 
48 
37 
        Lincoln
71 
64 
33 
        Natomas
47 
48 
35 
        North Highlands
47 
48 
39 
        Placerville
77 
67 
67 
        Rio Vista
43 
44 
30 
        Roseville-Rocklin
71 
64 
37 
        Sacramento
47 
48 
48 
        Sloughhouse
47 
48 
36 
        Vacaville
43 
44 
40 
        Woodland
43 
44 
30 
San Diego Area
        San Diego Coast
Moderate
Moderate
59 
        San Diego Foothills
Moderate
Unhealthy for Sensitive Groups
48 
        San Diego Mesa and Inland Valley
Moderate
Moderate
46 
San Francisco Area
        Concord
48 
46 
36 
        Fairfield
48 
46 
38 
        Fremont
53 
36 
58 
        Livermore
48 
46 
36 
        Napa
39 
38 
35 
        Oakland
41 
37 
34 
        Redwood City
53 
36 
58 
        San Francisco
41 
37 
33 
        San Jose
53 
44 
41 
        San Rafael
39 
38 
54 
        Santa Rosa
39 
38 
30 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
112 
Unhealthy for Sensitive Groups
80 
        Fresno
93 
Moderate
50 
        Hanford
101 
Unhealthy for Sensitive Groups
44 
        Madera
51 
Moderate
34 
        Merced
57 
Moderate
53 
        Modesto
45 
Good
42 
        Stockton
44 
Good
31 
        Visalia
108 
Unhealthy for Sensitive Groups
60 
San Luis Obispo County
        Atascadero
54 
53 
38 
        Carrizo Plains
95 
94 
84 
        Morro Bay
46 
45 
29 
        Nipomo
45 
63 
30 
        Paso Robles
76 
74 
38 
        Red Hills
75 
73 
50 
        San Luis Obispo
49 
49 
51 
Santa Barbara County
        Carpinteria
Good
Good
31 
        Gaviota Coast
Good
Good
31 
        Goleta
Good
Good
34 
        Lompoc
Good
Good
39 
        Paradise Road
Good
Good
30 
        Santa Barbara
Good
Good
37 
        Santa Maria
Good
Good
38 
        Santa Ynez
Good
Good
29 
Santa Rosa Rancheria
aqi not available
aqi not available
71 
Sequoia/Kings Canyon National Parks
77 
101 
90 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
66 
Truckee
aqi not available
aqi not available
 
Tuolumne City
aqi not available
aqi not available
35 
Tuolumne County
aqi not available
aqi not available
71 
Ventura County Area
        Ojai
Good
Moderate
49 
        Oxnard
Good
Good
40 
        Piru
Moderate
Moderate
61 
        Simi Valley
Moderate
Moderate
80 
        Thousand Oaks
Moderate
Moderate
55 
Western Nevada County
75 
75 
74 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
49 
61 
51 
Yuba City/Marysville
Moderate
Moderate
53 
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.