California
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20140731_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://www.epa.gov/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://www.epa.gov/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
Thu
Jul 31
Fri
Aug 1
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
 
Bishop Paiute Tribe
aqi not available
aqi not available
 
Chico
Moderate
Moderate
 
Death Valley National Park
38 
aqi not available
39 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
25 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
51 
Imperial Valley
93 
77 
39 
Joshua Tree National Park
aqi not available
aqi not available
50 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
41 
aqi not available
36 
Lone Pine Paiute-Shoshone Reservation
aqi not available
aqi not available
 
Los Angeles Area
        Antelope Vly
51 
51 
47 
        Anza Vly
50 
59 
 
        Banning
84 
111 
68 
        Barstow
50 
51 
47 
        Big Bear Lake
84 
111 
 
        C San Bernardino M
137 
161 
57 
        C San Bernardino-1
84 
111 
35 
        C San Bernardino-2
111 
137 
67 
        Capistrano Vly
50 
46 
31 
        Central Coastal
42 
50 
 
        Central LA CO
61 
61 
67 
        Central Orange-1
50 
57 
62 
        Central Orange-2
55 
57 
62 
        Coachella Vly
84 
111 
67 
        E San Bernardino
111 
137 
74 
        E San Fernando Vly
55 
53 
 
        E San Gabriel V-1
66 
84 
30 
        E San Gabriel V-2
72 
84 
49 
        East Riverside CO
50 
50 
 
        Hemet/San Jacinto
61 
66 
64 
        Hesperia
51 
51 
 
        Lake Elsinore
84 
84 
58 
        Metro Riverside CO
84 
111 
85 
        N Coastal Orange
42 
55 
 
        NW Coastal LA
50 
46 
25 
        NW San Bernardino
84 
137 
89 
        Norco/Corona
66 
84 
85 
        North Orange CO
57 
66 
 
        Perris Vly
84 
111 
64 
        Phelan
84 
84 
47 
        Pomona Walnut Vly
70 
76 
34 
        S Central LA CO
42 
42 
22 
        S San Gabriel Vly
46 
51 
 
        SW Coastal LA
42 
38 
25 
        SW San Bernardino
70 
84 
89 
        Saddleback Vly
42 
53 
31 
        San Gabriel Mts
76 
84 
70 
        Santa Clarita Vly
111 
137 
70 
        South Coastal LA
53 
50 
 
        Southeast LA CO
59 
63 
 
        Temecula Vly
59 
68 
 
        Trona
46 
50 
36 
        Twentynine Palms
51 
51 
 
        Victorville
50 
50 
 
        W San Bernardino M
84 
111 
89 
        W San Fernando Vly
53 
55 
72 
        W San Gabriel Vly
70 
111 
31 
Mammoth Lakes
aqi not available
aqi not available
 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
53 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
17 
        Davenport
Good
Good
 
        Hollister
Good
Good
25 
        King City
Good
Good
19 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
26 
        Salinas
Good
Good
26 
        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
25 
Paradise
Moderate
Moderate
 
Point Reyes
aqi not available
aqi not available
 
Red Bluff
aqi not available
aqi not available
Redding
60 
aqi not available
69 
Sacramento Area
        Auburn
111 
116 
45 
        Davis
67 
84 
54 
        Elk Grove
111 
116 
32 
        Folsom
111 
116 
32 
        Placerville
111 
116 
39 
        Rio Vista
67 
84 
27 
        Roseville-Rocklin
111 
116 
45 
        Sacramento
111 
116 
32 
        Vacaville
67 
84 
54 
        Woodland
67 
84 
54 
San Diego Area
        San Diego Coast
Moderate
aqi not available
51 
        San Diego Foothills
Moderate
aqi not available
51 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
36 
San Francisco Area
        Concord
58 
101 
19 
        Fairfield
58 
101 
 
        Fremont
34 
43 
45 
        Livermore
58 
101 
20 
        Napa
42 
51 
36 
        Oakland
42 
50 
30 
        Redwood City
34 
43 
45 
        San Francisco
42 
50 
23 
        San Jose
46 
101 
52 
        San Rafael
42 
51 
51 
        Santa Rosa
42 
51 
 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
104 
Unhealthy for Sensitive Groups
75 
        Fresno
106 
Unhealthy for Sensitive Groups
 
        Hanford
87 
Moderate
 
        Madera
97 
Moderate
 
        Merced
84 
Moderate
 
        Modesto
104 
Unhealthy for Sensitive Groups
29 
        Stockton
67 
Moderate
59 
        Visalia
80 
Moderate
69 
San Luis Obispo County
        Atascadero
31 
34 
43 
        Carrizo Plains
42 
45 
42 
        Morro Bay
20 
24 
14 
        Nipomo
51 
29 
24 
        Paso Robles
31 
34 
43 
        Red Hills
42 
44 
32 
        San Luis Obispo
23 
26 
16 
Santa Barbara County
        Carpinteria
Good
aqi not available
21 
        Gaviota Coast
Good
aqi not available
26 
        Goleta
Good
aqi not available
54 
        Lompoc
Good
aqi not available
17 
        Paradise Road
Good
aqi not available
27 
        Santa Barbara
Good
aqi not available
51 
        Santa Maria
Good
aqi not available
42 
        Santa Ynez
Good
aqi not available
27 
Sequoia/Kings Canyon National Parks
51 
aqi not available
48 
South Lake Tahoe
aqi not available
aqi not available
 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
 
Ventura County Area
        Ojai
Moderate
Moderate
41 
        Oxnard
Good
Good
51 
        Piru
Moderate
Moderate
42 
        Simi Valley
Moderate
Moderate
61 
        Thousand Oaks
Good
Good
32 
Western Nevada County
aqi not available
aqi not available
 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
44 
aqi not available
 
Yuba City/Marysville
Moderate
aqi not available
35 
Yucca Vly
51 
51