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_20171213_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
Wed
Dec 13
Thu
Dec 14
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
48 
Bishop Paiute Tribe
aqi not available
aqi not available
48 
Chester
aqi not available
aqi not available
53 
Chico
Unhealthy for Sensitive Groups
Moderate
60 
Death Valley National Park
aqi not available
aqi not available
27 
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
48 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Moderate
Moderate
61 
Imperial Valley
55
50
100 
Joshua Tree National Park
aqi not available
aqi not available
39 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
aqi not available
aqi not available
31 
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
15 
Los Angeles Area
        Antelope Vly
38
aqi not available
53 
        Anza Vly
46
aqi not available
51 
        Banning
37
aqi not available
34 
        Barstow
37
aqi not available
        Big Bear Lake
37
aqi not available
 
        C San Bernardino M
37
aqi not available
34 
        C San Bernardino-1
48
aqi not available
47 
        C San Bernardino-2
38
aqi not available
47 
        Capistrano Vly
46
aqi not available
25 
        Central Coastal
38
aqi not available
25 
        Central LA CO
53
aqi not available
94 
        Central Orange-1
50
aqi not available
62 
        Central Orange-2
50
aqi not available
62 
        Coachella Vly
46
aqi not available
51 
        E San Bernardino
33
aqi not available
20 
        E San Fernando Vly
46
aqi not available
57 
        E San Gabriel V-1
33
aqi not available
29 
        E San Gabriel V-2
35
aqi not available
29 
        East Riverside CO
46
aqi not available
 
        Hemet/San Jacinto
46
aqi not available
31 
        Hesperia
46
aqi not available
71 
        Lake Elsinore
37
aqi not available
51 
        Metro Riverside CO
46
aqi not available
78 
        N Coastal Orange
50
aqi not available
94 
        NW Coastal LA
46
aqi not available
94 
        NW San Bernardino
42
aqi not available
47 
        Norco/Corona
46
aqi not available
78 
        North Orange CO
50
aqi not available
62 
        Perris Vly
46
aqi not available
31 
        Phelan
37
aqi not available
34 
        Pomona Walnut Vly
53
aqi not available
16 
        S Central LA CO
57
aqi not available
        S San Gabriel Vly
57
aqi not available
 
        SW Coastal LA
55
aqi not available
94 
        SW San Bernardino
59
aqi not available
47 
        Saddleback Vly
28
aqi not available
62 
        San Gabriel Mts
33
aqi not available
24 
        Santa Clarita Vly
28
aqi not available
16 
        South Coastal LA
46
aqi not available
94 
        Southeast LA CO
55
aqi not available
62 
        Temecula Vly
28
aqi not available
51 
        Trona
42
aqi not available
29 
        Twentynine Palms
37
aqi not available
        Victorville
46
aqi not available
        W San Bernardino M
28
aqi not available
47 
        W San Fernando Vly
42
aqi not available
57 
        W San Gabriel Vly
38
aqi not available
68 
Mammoth Lakes
aqi not available
aqi not available
48 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
65 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
26 
        Davenport
Good
aqi not available
 
        Hollister
Good
Good
31 
        King City
Good
Good
49 
        Marina/Seaside
Good
aqi not available
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
24 
        Salinas
Good
Good
49 
        San Lorenzo Valley
Good
Moderate
 
        Santa Cruz
Good
Good
34 
        Scotts Valley
Good
Moderate
 
        Watsonville
Good
aqi not available
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
18 
Paradise
Good
Good
30 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
 
Quincy
aqi not available
aqi not available
 
Red Bluff
aqi not available
aqi not available
39 
Redding
80
aqi not available
91 
Sacramento Area
        Arden Arcade-Del Paso Manor
102
110
81 
        Auburn
68
72
16 
        Colfax
68
72
23 
        Cool
aqi not available
aqi not available
 
        Davis
78
80
43 
        Elk Grove
102
110
54 
        Folsom
102
110
23 
        Lincoln
68
72
 
        Natomas
102
110
 
        North Highlands
102
110
        Placerville
aqi not available
aqi not available
29 
        Rio Vista
78
80
60 
        Roseville-Rocklin
68
72
36 
        Sacramento
102
110
80 
        Sloughhouse
102
110
31 
        Vacaville
78
80
50 
        Woodland
78
80
57 
San Diego Area
        San Diego Coast
Good
aqi not available
31 
        San Diego Foothills
Good
aqi not available
39 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
58 
San Francisco Area
        Concord
87
Moderate
74 
        Fairfield
87
Moderate
84 
        Fremont
80
Moderate
64 
        Livermore
87
Moderate
62 
        Napa
102
Unhealthy for Sensitive Groups
61 
        Oakland
93
Unhealthy for Sensitive Groups
85 
        Redwood City
80
Moderate
64 
        San Francisco
93
Unhealthy for Sensitive Groups
89 
        San Jose
84
Moderate
66 
        San Rafael
102
Unhealthy for Sensitive Groups
77 
        Santa Rosa
102
Unhealthy for Sensitive Groups
62 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
149
Unhealthy for Sensitive Groups
141 
        Fresno
97
Moderate
84 
        Hanford
149
Unhealthy for Sensitive Groups
149 
        Madera
93
Moderate
13 
        Merced
80
Moderate
65 
        Modesto
119
Unhealthy for Sensitive Groups
138 
        Stockton
112
Unhealthy for Sensitive Groups
93 
        Visalia
147
Unhealthy for Sensitive Groups
153 
San Luis Obispo County
        Atascadero
66
71
69 
        Carrizo Plains
46
48
23 
        Morro Bay
44
46
32 
        Nipomo
66
78
102 
        Paso Robles
66
78
69 
        Red Hills
44
46
36 
        San Luis Obispo
36
44
46 
Santa Barbara County
        Carpinteria
Good
Good
        Gaviota Coast
Unhealthy for Sensitive Groups
Moderate
74 
        Goleta
Unhealthy for Sensitive Groups
Unhealthy for Sensitive Groups
138 
        Lompoc
Moderate
Moderate
67 
        Paradise Road
Good
Good
 
        Santa Barbara
Unhealthy
Unhealthy
157 
        Santa Maria
Good
Good
45 
        Santa Ynez
Good
Good
15 
Santa Rosa Rancheria
aqi not available
aqi not available
60 
Sequoia/Kings Canyon National Parks
aqi not available
aqi not available
27 
South Lake Tahoe
aqi not available
aqi not available
Tahoe City area
aqi not available
aqi not available
20 
Truckee
aqi not available
aqi not available
59 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
13 
Ventura
aqi not available
aqi not available
44 
Ventura County Area
        Ojai
200
200
260 
        Oxnard
75
65
44 
        Piru
45
45
18 
        Simi Valley
45
45
32 
        Thousand Oaks
45
45
34 
Western Nevada County
38
37
33 
Willits
aqi not available
aqi not available
 
Willows
Good
aqi not available
68 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
aqi not available
aqi not available
39 
Yuba City/Marysville
Unhealthy for Sensitive Groups
aqi not available
69 
Yucca Vly
46
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.