California
 
Data courtesy of:
 

AQI Forecast - http://files.airnowtech.org/airnow/today/forecast_aqi_20150804_ca_nv.jpg
 
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.
 - http://files.airnowtech.org/airnow/today/cur_aqi_ca_nv.jpg
 
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 - http://files.airnowtech.org/airnow/today/anim_aqi_ca_nv.gif
 
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 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
Aug 4
Wed
Aug 5
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
34 
Bishop Paiute Tribe
aqi not available
aqi not available
34 
Chester
aqi not available
aqi not available
52 
Chico
Good
aqi not available
31 
Death Valley National Park
47 
aqi not available
34 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
51 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
 
Imperial Valley
90 
84 
59 
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
43 
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
110 
Los Angeles Area
        Antelope Vly
51 
aqi not available
34 
        Anza Vly
53 
aqi not available
58 
        Banning
84 
aqi not available
87 
        Barstow
50 
aqi not available
20 
        Big Bear Lake
111 
aqi not available
 
        C San Bernardino M
137 
aqi not available
40 
        C San Bernardino-1
111 
aqi not available
70 
        C San Bernardino-2
137 
aqi not available
70 
        Capistrano Vly
50 
aqi not available
12 
        Central Coastal
42 
aqi not available
22 
        Central LA CO
59 
aqi not available
68 
        Central Orange-1
53 
aqi not available
48 
        Central Orange-2
55 
aqi not available
48 
        Coachella Vly
111 
aqi not available
42 
        E San Bernardino
111 
aqi not available
11 
        E San Fernando Vly
53 
aqi not available
54 
        E San Gabriel V-1
84 
aqi not available
68 
        E San Gabriel V-2
84 
aqi not available
68 
        East Riverside CO
50 
aqi not available
33 
        Hemet/San Jacinto
61 
aqi not available
58 
        Hesperia
50 
aqi not available
42 
        Lake Elsinore
84 
aqi not available
60 
        Metro Riverside CO
111 
aqi not available
80 
        N Coastal Orange
42 
aqi not available
37 
        NW Coastal LA
46 
aqi not available
37 
        NW San Bernardino
111 
aqi not available
70 
        Norco/Corona
84 
aqi not available
61 
        North Orange CO
59 
aqi not available
48 
        Perris Vly
111 
aqi not available
14 
        Phelan
50 
aqi not available
25 
        Pomona Walnut Vly
66 
aqi not available
        S Central LA CO
42 
aqi not available
14 
        S San Gabriel Vly
51 
aqi not available
        SW Coastal LA
42 
aqi not available
37 
        SW San Bernardino
84 
aqi not available
70 
        Saddleback Vly
46 
aqi not available
48 
        San Gabriel Mts
51 
aqi not available
68 
        Santa Clarita Vly
111 
aqi not available
48 
        South Coastal LA
46 
aqi not available
37 
        Southeast LA CO
59 
aqi not available
48 
        Temecula Vly
61 
aqi not available
58 
        Trona
50 
aqi not available
30 
        Twentynine Palms
51 
aqi not available
20 
        Victorville
50 
aqi not available
29 
        W San Bernardino M
111 
aqi not available
70 
        W San Fernando Vly
55 
aqi not available
54 
        W San Gabriel Vly
84 
aqi not available
68 
Mammoth Lakes
aqi not available
aqi not available
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
28 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
20 
        Davenport
Good
Good
 
        Hollister
Good
Good
        King City
Good
Good
16 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
19 
        Salinas
Good
Good
20 
        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
110 
Paradise
Good
aqi not available
26 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
35 
Quincy
aqi not available
aqi not available
22 
Red Bluff
aqi not available
aqi not available
 
Redding
90 
aqi not available
55 
Sacramento Area
        Arden Arcade-Del Paso Manor
51 
90 
29 
        Auburn
84 
93 
19 
        Colfax
84 
93 
193 
        Cool
61 
90 
 
        Davis
51 
67 
22 
        Elk Grove
51 
90 
35 
        Folsom
51 
90 
19 
        Lincoln
84 
93 
28 
        Natomas
51 
90 
17 
        North Highlands
51 
90 
16 
        Placerville
61 
90 
24 
        Rio Vista
51 
67 
18 
        Roseville-Rocklin
84 
93 
20 
        Sacramento
51 
90 
17 
        Sloughhouse
51 
90 
20 
        Vacaville
51 
67 
        Woodland
51 
67 
11 
San Diego Area
        San Diego Coast
Moderate
aqi not available
53 
        San Diego Foothills
Moderate
aqi not available
36 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
27 
San Francisco Area
        Concord
34 
Moderate
15 
        Fairfield
34 
Moderate
19 
        Fremont
32 
Good
18 
        Livermore
34 
Moderate
18 
        Napa
46 
Good
16 
        Oakland
42 
Good
16 
        Redwood City
32 
Good
10 
        San Francisco
42 
Good
18 
        San Jose
33 
Good
18 
        San Rafael
46 
Good
19 
        Santa Rosa
46 
Good
24 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
58 
Moderate
37 
        Fresno
58 
Moderate
18 
        Hanford
43 
Good
19 
        Madera
59 
Moderate
19 
        Merced
45 
Good
18 
        Modesto
42 
Good
18 
        Stockton
42 
Good
28 
        Visalia
45 
Good
37 
San Luis Obispo County
        Atascadero
36 
35 
18 
        Carrizo Plains
44 
45 
14 
        Morro Bay
29 
28 
15 
        Nipomo
55 
48 
25 
        Paso Robles
44 
43 
18 
        Red Hills
44 
45 
14 
        San Luis Obispo
32 
30 
18 
Santa Barbara County
        Carpinteria
Good
aqi not available
12 
        Gaviota Coast
Good
aqi not available
24 
        Goleta
Good
aqi not available
35 
        Lompoc
Good
aqi not available
16 
        Paradise Road
Good
aqi not available
 
        Santa Barbara
Good
aqi not available
39 
        Santa Maria
Good
aqi not available
29 
        Santa Ynez
Good
aqi not available
17 
Sequoia/Kings Canyon National Parks
74 
aqi not available
39 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
52 
Truckee
aqi not available
aqi not available
53 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
26 
Ventura County Area
        Ojai
Good
Good
 
        Oxnard
Good
Good
34 
        Piru
Good
Good
11 
        Simi Valley
Moderate
Moderate
38 
        Thousand Oaks
Good
Good
16 
Western Nevada County
aqi not available
aqi not available
30 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
45 
aqi not available
34 
Yuba City/Marysville
Moderate
aqi not available
27 
Yucca Vly
51 
aqi not available