California
 
Data and Forecasts courtesy of:
 

 - 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 Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20171212_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: Good (0 - 50)
Air quality is considered satisfactory, and air pollution poses little or no risk.
AQI: Moderate (51 - 100) AQI: Moderate (51 - 100)
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy for Sensitive Groups (101 - 150)
Although general public is not likely to be affected at this AQI range, people with lung disease, older adults and children are at a greater risk from exposure to ozone, whereas persons with heart and lung disease, older adults and children are at greater risk from the presence of particles in the air.
AQI: Unhealthy (151 - 200) AQI: Unhealthy (151 - 200)
Everyone may begin to experience health effects members of sensitive groups may experience more serious health effects.
 AQI:Very Unhealthy (201 - 300) AQI: Very Unhealthy (201 - 300)
Health alert: everyone may experience more serious health effects.
AQI: Hazardous(301 - 500) AQI: Hazardous (301 - 500)
Health warnings of emergency conditions. The entire population is more likely to be affected.
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
Dec 12
Wed
Dec 13
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
55 
Bishop Paiute Tribe
aqi not available
aqi not available
55 
Chester
aqi not available
aqi not available
33 
Chico
Unhealthy for Sensitive Groups
Unhealthy for Sensitive Groups
65 
Death Valley National Park
32
aqi not available
28 
Forest Ranch
aqi not available
aqi not available
 
Fort Bragg
aqi not available
aqi not available
Great Basin Air District
aqi not available
aqi not available
42 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Moderate
Moderate
68 
Imperial Valley
59
63
78 
Joshua Tree National Park
aqi not available
aqi not available
36 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
38
aqi not available
32 
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
10 
Los Angeles Area
        Antelope Vly
33
aqi not available
55 
        Anza Vly
42
aqi not available
56 
        Banning
37
aqi not available
35 
        Barstow
37
aqi not available
 
        Big Bear Lake
37
aqi not available
 
        C San Bernardino M
37
aqi not available
25 
        C San Bernardino-1
38
aqi not available
46 
        C San Bernardino-2
38
aqi not available
46 
        Capistrano Vly
38
aqi not available
15 
        Central Coastal
42
aqi not available
15 
        Central LA CO
59
aqi not available
68 
        Central Orange-1
46
aqi not available
56 
        Central Orange-2
42
aqi not available
56 
        Coachella Vly
42
aqi not available
44 
        E San Bernardino
46
aqi not available
19 
        E San Fernando Vly
68
aqi not available
58 
        E San Gabriel V-1
38
aqi not available
29 
        E San Gabriel V-2
33
aqi not available
29 
        East Riverside CO
38
aqi not available
 
        Hemet/San Jacinto
42
aqi not available
32 
        Hesperia
38
aqi not available
57 
        Lake Elsinore
46
aqi not available
56 
        Metro Riverside CO
39
aqi not available
76 
        N Coastal Orange
42
aqi not available
68 
        NW Coastal LA
59
aqi not available
68 
        NW San Bernardino
33
aqi not available
46 
        Norco/Corona
42
aqi not available
74 
        North Orange CO
42
aqi not available
56 
        Perris Vly
42
aqi not available
32 
        Phelan
42
aqi not available
33 
        Pomona Walnut Vly
30
aqi not available
        S Central LA CO
50
aqi not available
        S San Gabriel Vly
50
aqi not available
 
        SW Coastal LA
66
aqi not available
68 
        SW San Bernardino
33
aqi not available
46 
        Saddleback Vly
38
aqi not available
56 
        San Gabriel Mts
42
aqi not available
30 
        Santa Clarita Vly
42
aqi not available
30 
        South Coastal LA
66
aqi not available
68 
        Southeast LA CO
74
aqi not available
56 
        Temecula Vly
38
aqi not available
56 
        Trona
33
aqi not available
16 
        Twentynine Palms
29
aqi not available
 
        Victorville
38
aqi not available
        W San Bernardino M
46
aqi not available
46 
        W San Fernando Vly
63
aqi not available
58 
        W San Gabriel Vly
42
aqi not available
65 
Mammoth Lakes
aqi not available
aqi not available
42 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
47 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
28 
        Davenport
Good
Good
 
        Hollister
Good
Good
20 
        King City
Good
Good
31 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
21 
        Salinas
Good
Good
31 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
19 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
40 
Paradise
Good
Good
32 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
 
Quincy
aqi not available
aqi not available
94 
Red Bluff
aqi not available
aqi not available
57 
Redding
65
aqi not available
84 
Sacramento Area
        Arden Arcade-Del Paso Manor
112
105
85 
        Auburn
59
68
        Colfax
59
68
10 
        Cool
aqi not available
aqi not available
 
        Davis
82
74
12 
        Elk Grove
112
105
        Folsom
112
105
12 
        Lincoln
59
68
 
        Natomas
112
105
 
        North Highlands
112
105
        Placerville
aqi not available
aqi not available
28 
        Rio Vista
82
74
67 
        Roseville-Rocklin
59
68
19 
        Sacramento
112
105
67 
        Sloughhouse
112
105
        Vacaville
82
74
22 
        Woodland
82
74
25 
San Diego Area
        San Diego Coast
Good
aqi not available
26 
        San Diego Foothills
Good
aqi not available
39 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
47 
San Francisco Area
        Concord
95
Moderate
46 
        Fairfield
95
Moderate
66 
        Fremont
80
Moderate
37 
        Livermore
95
Moderate
48 
        Napa
102
Moderate
61 
        Oakland
102
Moderate
54 
        Redwood City
80
Moderate
37 
        San Francisco
102
Moderate
75 
        San Jose
84
Moderate
73 
        San Rafael
102
Moderate
48 
        Santa Rosa
102
Moderate
54 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
157
Unhealthy
134 
        Fresno
147
Unhealthy for Sensitive Groups
        Hanford
149
Unhealthy for Sensitive Groups
111 
        Madera
91
Moderate
        Merced
89
Moderate
51 
        Modesto
147
Unhealthy for Sensitive Groups
95 
        Stockton
107
Unhealthy for Sensitive Groups
74 
        Visalia
147
Unhealthy for Sensitive Groups
134 
San Luis Obispo County
        Atascadero
59
55
63 
        Carrizo Plains
47
46
17 
        Morro Bay
45
44
34 
        Nipomo
54
53
74 
        Paso Robles
59
56
63 
        Red Hills
46
44
39 
        San Luis Obispo
45
43
32 
Santa Barbara County
        Carpinteria
Good
Good
        Gaviota Coast
Unhealthy for Sensitive Groups
Unhealthy for Sensitive Groups
70 
        Goleta
Unhealthy
Unhealthy
79 
        Lompoc
Unhealthy for Sensitive Groups
Unhealthy for Sensitive Groups
152 
        Paradise Road
Good
Good
22 
        Santa Barbara
Unhealthy
Unhealthy
167 
        Santa Maria
Moderate
Moderate
56 
        Santa Ynez
Good
Good
18 
Santa Rosa Rancheria
aqi not available
aqi not available
51 
Sequoia/Kings Canyon National Parks
54
aqi not available
35 
South Lake Tahoe
aqi not available
aqi not available
24 
Tahoe City area
aqi not available
aqi not available
10 
Truckee
aqi not available
aqi not available
70 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
Ventura
aqi not available
aqi not available
 
Ventura County Area
        Ojai
125
125
112 
        Oxnard
50
50
40 
        Piru
40
40
27 
        Simi Valley
40
40
32 
        Thousand Oaks
40
40
16 
Western Nevada County
40
40
37 
Willits
aqi not available
aqi not available
 
Willows
Good
aqi not available
40 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
45
aqi not available
36 
Yuba City/Marysville
Unhealthy for Sensitive Groups
aqi not available
76 
Yucca Vly
38
aqi not available
 
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.