California
 
Data courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20160830_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

AirNow.gov is undergoing maintenance. Updates for the forecasts and current conditions are not available between midnight and 4 am EST.

Click on the city name for more detailed information.

printable summary
FORECAST CURRENT
AQI
Tue
Aug 30
Wed
Aug 31
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
32 
Bishop Paiute Tribe
aqi not available
aqi not available
32 
Chester
aqi not available
aqi not available
38 
Chico
Good
aqi not available
72 
Death Valley National Park
49 
aqi not available
44 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
33 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
 
Imperial Valley
93 
87 
64 
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
50 
aqi not available
45 
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
64 
Los Angeles Area
        Antelope Vly
67 
aqi not available
80 
        Anza Vly
67 
aqi not available
66 
        Banning
100 
aqi not available
108 
        Barstow
50 
aqi not available
41 
        Big Bear Lake
132 
aqi not available
 
        C San Bernardino M
187 
aqi not available
49 
        C San Bernardino-1
132 
aqi not available
85 
        C San Bernardino-2
161 
aqi not available
85 
        Capistrano Vly
63 
aqi not available
41 
        Central Coastal
55 
aqi not available
41 
        Central LA CO
72 
aqi not available
81 
        Central Orange-1
63 
aqi not available
60 
        Central Orange-2
61 
aqi not available
60 
        Coachella Vly
100 
aqi not available
100 
        E San Bernardino
161 
aqi not available
46 
        E San Fernando Vly
67 
aqi not available
81 
        E San Gabriel V-1
132 
aqi not available
56 
        E San Gabriel V-2
132 
aqi not available
56 
        East Riverside CO
50 
aqi not available
44 
        Hemet/San Jacinto
100 
aqi not available
66 
        Hesperia
67 
aqi not available
61 
        Lake Elsinore
132 
aqi not available
66 
        Metro Riverside CO
161 
aqi not available
81 
        N Coastal Orange
55 
aqi not available
61 
        NW Coastal LA
59 
aqi not available
61 
        NW San Bernardino
161 
aqi not available
85 
        Norco/Corona
100 
aqi not available
77 
        North Orange CO
59 
aqi not available
60 
        Perris Vly
132 
aqi not available
44 
        Phelan
100 
aqi not available
64 
        Pomona Walnut Vly
100 
aqi not available
15 
        S Central LA CO
50 
aqi not available
31 
        S San Gabriel Vly
67 
aqi not available
14 
        SW Coastal LA
53 
aqi not available
61 
        SW San Bernardino
132 
aqi not available
85 
        Saddleback Vly
67 
aqi not available
60 
        San Gabriel Mts
100 
aqi not available
61 
        Santa Clarita Vly
132 
aqi not available
61 
        South Coastal LA
61 
aqi not available
61 
        Southeast LA CO
70 
aqi not available
60 
        Temecula Vly
72 
aqi not available
66 
        Trona
50 
aqi not available
 
        Twentynine Palms
100 
aqi not available
41 
        Victorville
50 
aqi not available
50 
        W San Bernardino M
132 
aqi not available
85 
        W San Fernando Vly
67 
aqi not available
81 
        W San Gabriel Vly
80 
aqi not available
55 
Mammoth Lakes
aqi not available
aqi not available
12 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
21 
Mono Lake
aqi not available
aqi not available
15 
Monterey Bay Area
        Carmel Valley
Good
Good
 
        Davenport
Good
Good
 
        Hollister
Good
Good
 
        King City
Good
Good
 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
39 
        Salinas
Good
Good
39 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
64 
Paradise
Moderate
aqi not available
80 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
29 
Quincy
aqi not available
aqi not available
38 
Red Bluff
aqi not available
aqi not available
 
Redding
55 
aqi not available
63 
Sacramento Area
        Arden Arcade-Del Paso Manor
67 
58 
20 
        Auburn
80 
77 
45 
        Colfax
80 
77 
45 
        Cool
84 
74 
47 
        Davis
48 
47 
19 
        Elk Grove
67 
58 
34 
        Folsom
67 
58 
28 
        Lincoln
80 
77 
 
        Natomas
67 
58 
24 
        North Highlands
67 
58 
25 
        Placerville
84 
74 
105 
        Rio Vista
48 
47 
11 
        Roseville-Rocklin
80 
77 
28 
        Sacramento
67 
58 
20 
        Sloughhouse
67 
58 
32 
        Vacaville
48 
47 
25 
        Woodland
48 
47 
17 
San Diego Area
        San Diego Coast
Moderate
aqi not available
57 
        San Diego Foothills
Unhealthy for Sensitive Groups
aqi not available
59 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
45 
San Francisco Area
        Concord
46 
Good
19 
        Fairfield
46 
Good
22 
        Fremont
42 
Good
23 
        Livermore
46 
Good
28 
        Napa
42 
Good
28 
        Oakland
38 
Good
20 
        Redwood City
42 
Good
21 
        San Francisco
38 
Good
21 
        San Jose
44 
Good
21 
        San Rafael
42 
Good
21 
        Santa Rosa
42 
Good
15 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
Unhealthy for Sensitive Groups
Unhealthy for Sensitive Groups
64 
        Fresno
Moderate
Moderate
58 
        Hanford
Moderate
Moderate
86 
        Madera
Moderate
Moderate
39 
        Merced
Moderate
Moderate
48 
        Modesto
Moderate
Moderate
38 
        Stockton
Good
Good
14 
        Visalia
Moderate
Moderate
83 
San Luis Obispo County
        Atascadero
38 
37 
60 
        Carrizo Plains
93 
90 
45 
        Morro Bay
35 
34 
18 
        Nipomo
69 
65 
31 
        Paso Robles
44 
43 
60 
        Red Hills
95 
94 
100 
        San Luis Obispo
35 
35 
45 
Santa Barbara County
        Carpinteria
Good
aqi not available
14 
        Gaviota Coast
Good
aqi not available
71 
        Goleta
Good
aqi not available
54 
        Lompoc
Good
aqi not available
38 
        Paradise Road
Good
aqi not available
34 
        Santa Barbara
Good
aqi not available
23 
        Santa Maria
Good
aqi not available
38 
        Santa Ynez
Good
aqi not available
25 
Santa Rosa Rancheria
aqi not available
aqi not available
92 
Sequoia/Kings Canyon National Parks
115 
aqi not available
101 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
58 
Truckee
aqi not available
aqi not available
 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
50 
Ventura County Area
        Ojai
Moderate
Moderate
54 
        Oxnard
Good
Good
53 
        Piru
Moderate
Moderate
60 
        Simi Valley
Moderate
Moderate
60 
        Thousand Oaks
Moderate
Moderate
65 
Western Nevada County
75 
75 
97 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
61 
aqi not available
72 
Yuba City/Marysville
Moderate
aqi not available
52 
Yucca Vly
67 
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.