California
 
Data courtesy of:
 

AQI Forecast - http://files.airnowtech.org/airnow/today/forecast_aqi_20150801_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
Sat
Aug 1
Sun
Aug 2
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
27 
Bishop Paiute Tribe
aqi not available
aqi not available
27 
Chester
aqi not available
aqi not available
39 
Chico
Moderate
aqi not available
48 
Death Valley National Park
44 
aqi not available
36 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
21 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
31 
Imperial Valley
51 
58 
28 
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
48 
aqi not available
30 
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
26 
Los Angeles Area
        Antelope Vly
51 
51 
25 
        Anza Vly
53 
51 
53 
        Banning
84 
84 
83 
        Barstow
46 
46 
14 
        Big Bear Lake
84 
51 
 
        C San Bernardino M
137 
137 
35 
        C San Bernardino-1
111 
137 
77 
        C San Bernardino-2
84 
84 
77 
        Capistrano Vly
50 
50 
23 
        Central Coastal
46 
46 
26 
        Central LA CO
53 
51 
70 
        Central Orange-1
53 
51 
62 
        Central Orange-2
53 
50 
62 
        Coachella Vly
84 
84 
36 
        E San Bernardino
137 
111 
        E San Fernando Vly
53 
51 
70 
        E San Gabriel V-1
84 
84 
66 
        E San Gabriel V-2
84 
84 
66 
        East Riverside CO
50 
50 
31 
        Hemet/San Jacinto
63 
61 
53 
        Hesperia
50 
50 
31 
        Lake Elsinore
84 
66 
55 
        Metro Riverside CO
111 
111 
76 
        N Coastal Orange
42 
42 
47 
        NW Coastal LA
42 
42 
47 
        NW San Bernardino
111 
137 
77 
        Norco/Corona
66 
63 
66 
        North Orange CO
57 
53 
62 
        Perris Vly
111 
111 
11 
        Phelan
50 
50 
24 
        Pomona Walnut Vly
55 
84 
14 
        S Central LA CO
33 
50 
19 
        S San Gabriel Vly
51 
51 
        SW Coastal LA
38 
50 
47 
        SW San Bernardino
84 
84 
77 
        Saddleback Vly
46 
51 
62 
        San Gabriel Mts
59 
84 
66 
        Santa Clarita Vly
84 
55 
52 
        South Coastal LA
42 
42 
47 
        Southeast LA CO
57 
55 
62 
        Temecula Vly
59 
57 
53 
        Trona
50 
50 
28 
        Twentynine Palms
46 
51 
14 
        Victorville
50 
50 
35 
        W San Bernardino M
84 
57 
77 
        W San Fernando Vly
51 
51 
70 
        W San Gabriel Vly
57 
53 
70 
Mammoth Lakes
aqi not available
aqi not available
11 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
13 
Mono Lake
aqi not available
aqi not available
11 
Monterey Bay Area
        Carmel Valley
Good
Good
29 
        Davenport
Good
Good
 
        Hollister
Good
Good
30 
        King City
Good
Good
27 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
21 
        Salinas
Good
Good
30 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
12 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
26 
Paradise
Moderate
aqi not available
27 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
21 
Quincy
aqi not available
aqi not available
Red Bluff
aqi not available
aqi not available
 
Redding
75 
70 
70 
Sacramento Area
        Arden Arcade-Del Paso Manor
67 
64 
47 
        Auburn
74 
64 
 
        Colfax
74 
64 
 
        Cool
77 
71 
 
        Davis
48 
47 
35 
        Elk Grove
67 
64 
41 
        Folsom
67 
64 
23 
        Lincoln
74 
64 
 
        Natomas
67 
64 
17 
        North Highlands
67 
64 
16 
        Placerville
77 
71 
35 
        Rio Vista
48 
47 
 
        Roseville-Rocklin
74 
64 
53 
        Sacramento
67 
64 
18 
        Sloughhouse
67 
64 
36 
        Vacaville
48 
47 
 
        Woodland
48 
47 
 
San Diego Area
        San Diego Coast
Moderate
Moderate
45 
        San Diego Foothills
Moderate
Moderate
35 
        San Diego Mesa and Inland Valley
Moderate
Moderate
45 
San Francisco Area
        Concord
36 
37 
19 
        Fairfield
36 
37 
19 
        Fremont
33 
35 
19 
        Livermore
36 
37 
19 
        Napa
32 
31 
19 
        Oakland
33 
34 
40 
        Redwood City
33 
35 
15 
        San Francisco
33 
34 
19 
        San Jose
34 
35 
32 
        San Rafael
32 
31 
18 
        Santa Rosa
32 
31 
21 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
106 
Unhealthy for Sensitive Groups
30 
        Fresno
145 
Unhealthy for Sensitive Groups
 
        Hanford
106 
Unhealthy for Sensitive Groups
 
        Madera
155 
Unhealthy
 
        Merced
104 
Unhealthy for Sensitive Groups
 
        Modesto
90 
Moderate
26 
        Stockton
77 
Moderate
47 
        Visalia
142 
Unhealthy for Sensitive Groups
52 
San Luis Obispo County
        Atascadero
35 
33 
31 
        Carrizo Plains
40 
37 
14 
        Morro Bay
26 
22 
17 
        Nipomo
47 
49 
30 
        Paso Robles
39 
32 
19 
        Red Hills
46 
42 
22 
        San Luis Obispo
38 
30 
27 
Santa Barbara County
        Carpinteria
Good
aqi not available
        Gaviota Coast
Good
aqi not available
23 
        Goleta
Good
aqi not available
25 
        Lompoc
Good
aqi not available
28 
        Paradise Road
Good
aqi not available
 
        Santa Barbara
Good
aqi not available
30 
        Santa Maria
Good
aqi not available
28 
        Santa Ynez
Good
aqi not available
12 
Sequoia/Kings Canyon National Parks
61 
aqi not available
59 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
 
Truckee
aqi not available
aqi not available
57 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
31 
Ventura County Area
        Ojai
Good
Good
        Oxnard
Moderate
Moderate
52 
        Piru
Moderate
Good
        Simi Valley
Moderate
Moderate
52 
        Thousand Oaks
Moderate
Moderate
11 
Western Nevada County
85 
85 
56 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
45 
aqi not available
 
Yuba City/Marysville
Moderate
Moderate
25 
Yucca Vly
50 
51