California
 
Data courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20160723_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
Sat
Jul 23
Sun
Jul 24
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
 
Chico
Moderate
Moderate
46 
Death Valley National Park
49 
84 
115 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
60 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
13 
Imperial Valley
100 
98 
374 
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
40 
43 
38 
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
28 
Los Angeles Area
        Antelope Vly
67 
67 
 
        Anza Vly
67 
67 
74 
        Banning
161 
161 
64 
        Barstow
67 
67 
 
        Big Bear Lake
161 
132 
 
        C San Bernardino M
187 
187 
190 
        C San Bernardino-1
161 
161 
169 
        C San Bernardino-2
187 
161 
169 
        Capistrano Vly
57 
67 
34 
        Central Coastal
55 
67 
34 
        Central LA CO
100 
61 
82 
        Central Orange-1
67 
67 
63 
        Central Orange-2
67 
100 
63 
        Coachella Vly
100 
100 
65 
        E San Bernardino
161 
132 
147 
        E San Fernando Vly
67 
100 
82 
        E San Gabriel V-1
100 
132 
74 
        E San Gabriel V-2
132 
132 
74 
        East Riverside CO
50 
55 
43 
        Hemet/San Jacinto
100 
100 
74 
        Hesperia
50 
55 
 
        Lake Elsinore
132 
100 
67 
        Metro Riverside CO
161 
161 
100 
        N Coastal Orange
55 
55 
31 
        NW Coastal LA
67 
67 
41 
        NW San Bernardino
161 
187 
122 
        Norco/Corona
132 
132 
100 
        North Orange CO
100 
100 
63 
        Perris Vly
161 
100 
64 
        Phelan
67 
67 
 
        Pomona Walnut Vly
100 
100 
51 
        S Central LA CO
53 
57 
31 
        S San Gabriel Vly
132 
132 
40 
        SW Coastal LA
55 
67 
41 
        SW San Bernardino
161 
132 
122 
        Saddleback Vly
67 
67 
63 
        San Gabriel Mts
132 
132 
77 
        Santa Clarita Vly
161 
161 
77 
        South Coastal LA
67 
67 
26 
        Southeast LA CO
67 
67 
63 
        Temecula Vly
67 
100 
74 
        Trona
50 
67 
 
        Twentynine Palms
100 
100 
 
        Victorville
50 
55 
 
        W San Bernardino M
132 
67 
190 
        W San Fernando Vly
67 
67 
82 
        W San Gabriel Vly
70 
100 
55 
Mammoth Lakes
aqi not available
aqi not available
15 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
33 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
49 
        Davenport
Good
Good
 
        Hollister
Moderate
Good
52 
        King City
Good
Good
60 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Moderate
Moderate
87 
        Salinas
Good
Good
87 
        San Lorenzo Valley
Moderate
Good
 
        Santa Cruz
Good
Good
43 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
60 
Paradise
Moderate
Moderate
58 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
36 
Quincy
aqi not available
aqi not available
Red Bluff
aqi not available
aqi not available
 
Redding
45 
50 
44 
Sacramento Area
        Arden Arcade-Del Paso Manor
112 
108 
50 
        Auburn
101 
112 
61 
        Colfax
101 
112 
61 
        Cool
108 
112 
67 
        Davis
51 
49 
48 
        Elk Grove
112 
108 
71 
        Folsom
112 
108 
67 
        Lincoln
101 
112 
67 
        Natomas
112 
108 
51 
        North Highlands
112 
108 
61 
        Placerville
108 
112 
90 
        Rio Vista
51 
49 
10 
        Roseville-Rocklin
101 
112 
51 
        Sacramento
112 
108 
50 
        Sloughhouse
112 
108 
71 
        Vacaville
51 
49 
64 
        Woodland
51 
49 
45 
San Diego Area
        San Diego Coast
Moderate
Moderate
65 
        San Diego Foothills
Unhealthy for Sensitive Groups
Moderate
87 
        San Diego Mesa and Inland Valley
Moderate
Moderate
74 
San Francisco Area
        Concord
90 
87 
48 
        Fairfield
90 
87 
54 
        Fremont
54 
54 
56 
        Livermore
90 
87 
64 
        Napa
53 
59 
53 
        Oakland
55 
57 
52 
        Redwood City
54 
54 
56 
        San Francisco
55 
57 
57 
        San Jose
84 
90 
77 
        San Rafael
53 
59 
38 
        Santa Rosa
53 
59 
39 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
129 
129 
105 
        Fresno
126 
126 
147 
        Hanford
87 
105 
112 
        Madera
80 
105 
112 
        Merced
80 
100 
87 
        Modesto
67 
115 
77 
        Stockton
51 
84 
49 
        Visalia
74 
126 
105 
San Luis Obispo County
        Atascadero
48 
47 
77 
        Carrizo Plains
48 
49 
74 
        Morro Bay
27 
28 
24 
        Nipomo
60 
35 
99 
        Paso Robles
49 
49 
77 
        Red Hills
48 
49 
77 
        San Luis Obispo
35 
36 
73 
Santa Barbara County
        Carpinteria
Good
Good
47 
        Gaviota Coast
Good
Good
41 
        Goleta
Good
Good
78 
        Lompoc
Good
Good
89 
        Paradise Road
Good
Good
61 
        Santa Barbara
Good
Good
35 
        Santa Maria
Good
Good
79 
        Santa Ynez
Good
Good
35 
Santa Rosa Rancheria
aqi not available
aqi not available
90 
Sequoia/Kings Canyon National Parks
112 
105 
156 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
35 
Truckee
aqi not available
aqi not available
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
129 
Ventura County Area
        Ojai
Moderate
Moderate
84 
        Oxnard
Good
Good
62 
        Piru
Moderate
Moderate
108 
        Simi Valley
Moderate
Moderate
108 
        Thousand Oaks
Moderate
Moderate
84 
Western Nevada County
100 
100 
51 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
49 
51 
48 
Yuba City/Marysville
Moderate
Moderate
35 
Yucca Vly
100 
67 
 
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.