California
 
Data and Forecasts courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20161204_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: 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
Sun
Dec 4
Mon
Dec 5
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
22 
Bishop Paiute Tribe
aqi not available
aqi not available
22 
Chester
aqi not available
aqi not available
48 
Chico
Moderate
aqi not available
74 
Death Valley National Park
31 
aqi not available
31 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
 
Greeley Hill
aqi not available
aqi not available
25 
Gridley
Good
aqi not available
 
Imperial Valley
50 
57 
33 
Joshua Tree National Park
aqi not available
aqi not available
40 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
35 
aqi not available
35 
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
36 
Los Angeles Area
        Antelope Vly
42 
aqi not available
38 
        Anza Vly
50 
aqi not available
28 
        Banning
46 
aqi not available
19 
        Barstow
37 
aqi not available
        Big Bear Lake
42 
aqi not available
 
        C San Bernardino M
46 
aqi not available
10 
        C San Bernardino-1
63 
aqi not available
52 
        C San Bernardino-2
63 
aqi not available
52 
        Capistrano Vly
46 
aqi not available
23 
        Central Coastal
50 
aqi not available
23 
        Central LA CO
53 
aqi not available
108 
        Central Orange-1
59 
aqi not available
70 
        Central Orange-2
57 
aqi not available
70 
        Coachella Vly
50 
aqi not available
16 
        E San Bernardino
42 
aqi not available
24 
        E San Fernando Vly
50 
aqi not available
58 
        E San Gabriel V-1
57 
aqi not available
32 
        E San Gabriel V-2
63 
aqi not available
32 
        East Riverside CO
50 
aqi not available
35 
        Hemet/San Jacinto
50 
aqi not available
28 
        Hesperia
50 
aqi not available
14 
        Lake Elsinore
50 
aqi not available
54 
        Metro Riverside CO
66 
aqi not available
44 
        N Coastal Orange
55 
aqi not available
108 
        NW Coastal LA
53 
aqi not available
108 
        NW San Bernardino
59 
aqi not available
17 
        Norco/Corona
50 
aqi not available
70 
        North Orange CO
57 
aqi not available
70 
        Perris Vly
63 
aqi not available
        Phelan
50 
aqi not available
34 
        Pomona Walnut Vly
42 
aqi not available
        S Central LA CO
46 
aqi not available
        S San Gabriel Vly
50 
aqi not available
 
        SW Coastal LA
57 
aqi not available
108 
        SW San Bernardino
63 
aqi not available
17 
        Saddleback Vly
46 
aqi not available
70 
        San Gabriel Mts
61 
aqi not available
31 
        Santa Clarita Vly
46 
aqi not available
16 
        South Coastal LA
53 
aqi not available
108 
        Southeast LA CO
55 
aqi not available
70 
        Temecula Vly
46 
aqi not available
28 
        Trona
46 
aqi not available
11 
        Twentynine Palms
33 
aqi not available
        Victorville
50 
aqi not available
10 
        W San Bernardino M
55 
aqi not available
17 
        W San Fernando Vly
46 
aqi not available
58 
        W San Gabriel Vly
57 
aqi not available
61 
Mammoth Lakes
aqi not available
aqi not available
 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
46 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
 
        Davenport
Good
Good
 
        Hollister
Good
Good
 
        King City
Good
Good
 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
17 
        Salinas
Good
Good
17 
        San Lorenzo Valley
Moderate
Moderate
 
        Santa Cruz
Good
Good
 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
36 
Paradise
Good
aqi not available
30 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
123 
Quincy
aqi not available
aqi not available
88 
Red Bluff
aqi not available
aqi not available
 
Redding
65 
65 
86 
Sacramento Area
        Arden Arcade-Del Paso Manor
97 
59 
73 
        Auburn
68 
55 
38 
        Colfax
68 
55 
45 
        Cool
aqi not available
aqi not available
 
        Davis
80 
55 
79 
        Elk Grove
97 
59 
65 
        Folsom
97 
59 
65 
        Lincoln
68 
55 
60 
        Natomas
97 
59 
        North Highlands
97 
59 
 
        Placerville
aqi not available
aqi not available
31 
        Rio Vista
80 
55 
99 
        Roseville-Rocklin
68 
55 
52 
        Sacramento
97 
59 
73 
        Sloughhouse
97 
59 
53 
        Vacaville
80 
55 
66 
        Woodland
80 
55 
82 
San Diego Area
        San Diego Coast
Moderate
Moderate
52 
        San Diego Foothills
Good
Good
42 
        San Diego Mesa and Inland Valley
Moderate
Moderate
38 
San Francisco Area
        Concord
80 
50 
45 
        Fairfield
80 
50 
        Fremont
72 
46 
21 
        Livermore
80 
50 
56 
        Napa
82 
59 
58 
        Oakland
82 
59 
71 
        Redwood City
72 
46 
18 
        San Francisco
82 
59 
66 
        San Jose
80 
55 
59 
        San Rafael
82 
59 
26 
        Santa Rosa
82 
59 
52 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
97 
Moderate
123 
        Fresno
91 
Moderate
79 
        Hanford
78 
Moderate
96 
        Madera
74 
Moderate
        Merced
66 
Moderate
69 
        Modesto
70 
Moderate
87 
        Stockton
59 
Moderate
93 
        Visalia
95 
Moderate
62 
San Luis Obispo County
        Atascadero
49 
43 
59 
        Carrizo Plains
39 
30 
        Morro Bay
31 
31 
31 
        Nipomo
36 
36 
37 
        Paso Robles
50 
46 
59 
        Red Hills
34 
35 
34 
        San Luis Obispo
42 
37 
22 
Santa Barbara County
        Carpinteria
Good
aqi not available
26 
        Gaviota Coast
Good
aqi not available
34 
        Goleta
Good
aqi not available
13 
        Lompoc
Good
aqi not available
34 
        Paradise Road
Good
aqi not available
21 
        Santa Barbara
Good
aqi not available
        Santa Maria
Good
aqi not available
        Santa Ynez
Good
aqi not available
Santa Rosa Rancheria
aqi not available
aqi not available
45 
Sequoia/Kings Canyon National Parks
36 
aqi not available
15 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
Truckee
aqi not available
aqi not available
45 
Tuolumne City
aqi not available
aqi not available
67 
Tuolumne County
aqi not available
aqi not available
 
Ventura County Area
        Ojai
40 
40 
21 
        Oxnard
40 
40 
25 
        Piru
40 
40 
29 
        Simi Valley
40 
45 
15 
        Thousand Oaks
45 
40 
36 
Western Nevada County
36 
36 
38 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
36 
aqi not available
32 
Yuba City/Marysville
Moderate
Moderate
81 
Yucca Vly
50 
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.
 
Data and Forecasts courtesy of: