California
 
Data courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20160727_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
Wed
Jul 27
Thu
Jul 28
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
30 
Bishop Paiute Tribe
aqi not available
aqi not available
30 
Chester
aqi not available
aqi not available
46 
Chico
Moderate
Moderate
82 
Death Valley National Park
51 
aqi not available
51 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
27 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Moderate
Moderate
64 
Imperial Valley
53 
54 
61 
Joshua Tree National Park
aqi not available
aqi not available
67 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
49 
aqi not available
 
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
33 
Los Angeles Area
        Antelope Vly
158 
100 
84 
        Anza Vly
67 
67 
48 
        Banning
132 
132 
54 
        Barstow
87 
67 
87 
        Big Bear Lake
67 
161 
 
        C San Bernardino M
132 
187 
61 
        C San Bernardino-1
78 
132 
63 
        C San Bernardino-2
132 
187 
63 
        Capistrano Vly
53 
50 
33 
        Central Coastal
46 
42 
33 
        Central LA CO
57 
50 
63 
        Central Orange-1
50 
42 
65 
        Central Orange-2
55 
50 
65 
        Coachella Vly
132 
132 
84 
        E San Bernardino
100 
161 
50 
        E San Fernando Vly
67 
67 
63 
        E San Gabriel V-1
76 
132 
44 
        E San Gabriel V-2
100 
132 
44 
        East Riverside CO
107 
67 
49 
        Hemet/San Jacinto
100 
100 
71 
        Hesperia
115 
67 
67 
        Lake Elsinore
100 
132 
56 
        Metro Riverside CO
100 
161 
65 
        N Coastal Orange
42 
42 
57 
        NW Coastal LA
50 
46 
57 
        NW San Bernardino
78 
161 
63 
        Norco/Corona
100 
132 
65 
        North Orange CO
59 
67 
65 
        Perris Vly
100 
161 
71 
        Phelan
67 
100 
77 
        Pomona Walnut Vly
68 
100 
34 
        S Central LA CO
55 
55 
31 
        S San Gabriel Vly
67 
67 
31 
        SW Coastal LA
38 
50 
57 
        SW San Bernardino
100 
132 
63 
        Saddleback Vly
46 
46 
65 
        San Gabriel Mts
166 
132 
54 
        Santa Clarita Vly
163 
132 
54 
        South Coastal LA
50 
42 
57 
        Southeast LA CO
59 
53 
65 
        Temecula Vly
61 
67 
48 
        Trona
50 
67 
67 
        Twentynine Palms
67 
100 
87 
        Victorville
107 
67 
67 
        W San Bernardino M
57 
161 
63 
        W San Fernando Vly
67 
67 
63 
        W San Gabriel Vly
100 
67 
52 
Mammoth Lakes
aqi not available
aqi not available
20 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
69 
Mono Lake
aqi not available
aqi not available
12 
Monterey Bay Area
        Carmel Valley
Moderate
Moderate
73 
        Davenport
Good
Good
 
        Hollister
Moderate
Moderate
53 
        King City
Moderate
Moderate
50 
        Marina/Seaside
Moderate
Good
 
        Monterey Peninsula
Moderate
Good
 
        Pinnacles National Monument
Moderate
Moderate
49 
        Salinas
Moderate
Good
73 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
24 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
33 
Paradise
Moderate
Unhealthy for Sensitive Groups
51 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
52 
Quincy
aqi not available
aqi not available
61 
Red Bluff
aqi not available
aqi not available
 
Redding
70 
70 
68 
Sacramento Area
        Arden Arcade-Del Paso Manor
133 
126 
36 
        Auburn
133 
126 
61 
        Colfax
133 
126 
51 
        Cool
140 
133 
44 
        Davis
100 
84 
34 
        Elk Grove
133 
126 
54 
        Folsom
133 
126 
43 
        Lincoln
133 
126 
101 
        Natomas
133 
126 
41 
        North Highlands
133 
126 
44 
        Placerville
140 
133 
44 
        Rio Vista
100 
84 
43 
        Roseville-Rocklin
133 
126 
43 
        Sacramento
133 
126 
36 
        Sloughhouse
133 
126 
42 
        Vacaville
100 
84 
58 
        Woodland
100 
84 
74 
San Diego Area
        San Diego Coast
Moderate
aqi not available
52 
        San Diego Foothills
Moderate
aqi not available
45 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
58 
San Francisco Area
        Concord
115 
104 
45 
        Fairfield
115 
104 
22 
        Fremont
70 
68 
38 
        Livermore
115 
104 
60 
        Napa
51 
48 
42 
        Oakland
59 
46 
31 
        Redwood City
70 
68 
38 
        San Francisco
59 
46 
40 
        San Jose
101 
101 
66 
        San Rafael
51 
48 
45 
        Santa Rosa
51 
48 
23 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
154 
Unhealthy
115 
        Fresno
161 
Unhealthy
126 
        Hanford
133 
Unhealthy for Sensitive Groups
90 
        Madera
150 
Unhealthy for Sensitive Groups
46 
        Merced
136 
Unhealthy for Sensitive Groups
67 
        Modesto
129 
Unhealthy for Sensitive Groups
46 
        Stockton
126 
Unhealthy for Sensitive Groups
43 
        Visalia
147 
Unhealthy for Sensitive Groups
97 
San Luis Obispo County
        Atascadero
51 
50 
58 
        Carrizo Plains
83 
65 
67 
        Morro Bay
41 
36 
13 
        Nipomo
38 
37 
23 
        Paso Robles
53 
50 
71 
        Red Hills
84 
75 
90 
        San Luis Obispo
48 
47 
41 
Santa Barbara County
        Carpinteria
Good
aqi not available
24 
        Gaviota Coast
Good
aqi not available
26 
        Goleta
Good
aqi not available
52 
        Lompoc
Good
aqi not available
34 
        Paradise Road
Good
aqi not available
33 
        Santa Barbara
Good
aqi not available
19 
        Santa Maria
Good
aqi not available
35 
        Santa Ynez
Good
aqi not available
39 
Santa Rosa Rancheria
aqi not available
aqi not available
71 
Sequoia/Kings Canyon National Parks
140 
aqi not available
93 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
54 
Truckee
aqi not available
aqi not available
30 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
97 
Ventura County Area
        Ojai
Moderate
Moderate
46 
        Oxnard
Good
Good
35 
        Piru
Moderate
Moderate
42 
        Simi Valley
Moderate
Moderate
45 
        Thousand Oaks
Moderate
Moderate
37 
Western Nevada County
100 
100 
84 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
77 
aqi not available
44 
Yuba City/Marysville
Moderate
aqi not available
63 
Yucca Vly
67 
100 
 
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.