California
 
Data and Forecasts courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20161203_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
Sat
Dec 3
Sun
Dec 4
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
Bishop Paiute Tribe
aqi not available
aqi not available
Chester
aqi not available
aqi not available
61 
Chico
Moderate
aqi not available
125 
Death Valley National Park
35 
aqi not available
36 
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
Gridley
Good
aqi not available
 
Imperial Valley
93 
50 
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
34 
aqi not available
39 
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
25 
Los Angeles Area
        Antelope Vly
33 
42 
14 
        Anza Vly
38 
50 
31 
        Banning
37 
46 
40 
        Barstow
28 
37 
38 
        Big Bear Lake
28 
42 
 
        C San Bernardino M
37 
46 
39 
        C San Bernardino-1
46 
63 
41 
        C San Bernardino-2
48 
63 
41 
        Capistrano Vly
38 
46 
42 
        Central Coastal
38 
50 
42 
        Central LA CO
59 
53 
54 
        Central Orange-1
41 
59 
65 
        Central Orange-2
37 
57 
65 
        Coachella Vly
63 
50 
39 
        E San Bernardino
42 
42 
42 
        E San Fernando Vly
46 
50 
51 
        E San Gabriel V-1
38 
57 
48 
        E San Gabriel V-2
42 
63 
48 
        East Riverside CO
38 
50 
38 
        Hemet/San Jacinto
42 
50 
31 
        Hesperia
38 
50 
31 
        Lake Elsinore
46 
50 
38 
        Metro Riverside CO
56 
66 
37 
        N Coastal Orange
36 
55 
42 
        NW Coastal LA
37 
53 
37 
        NW San Bernardino
50 
59 
31 
        Norco/Corona
50 
50 
65 
        North Orange CO
44 
57 
65 
        Perris Vly
50 
63 
31 
        Phelan
42 
50 
34 
        Pomona Walnut Vly
46 
42 
15 
        S Central LA CO
46 
46 
        S San Gabriel Vly
46 
50 
 
        SW Coastal LA
38 
57 
26 
        SW San Bernardino
50 
63 
31 
        Saddleback Vly
38 
46 
65 
        San Gabriel Mts
46 
61 
48 
        Santa Clarita Vly
46 
46 
39 
        South Coastal LA
55 
53 
30 
        Southeast LA CO
57 
55 
65 
        Temecula Vly
33 
46 
31 
        Trona
38 
46 
 
        Twentynine Palms
28 
33 
38 
        Victorville
38 
50 
 
        W San Bernardino M
46 
55 
39 
        W San Fernando Vly
46 
46 
51 
        W San Gabriel Vly
38 
57 
54 
Mammoth Lakes
aqi not available
aqi not available
 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
72 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
Good
20 
        Davenport
Good
Good
 
        Hollister
Good
Good
19 
        King City
Good
Good
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
15 
        Salinas
Good
Good
51 
        San Lorenzo Valley
Moderate
Moderate
 
        Santa Cruz
Good
Good
32 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
25 
Paradise
Good
aqi not available
41 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
84 
Quincy
aqi not available
aqi not available
102 
Red Bluff
aqi not available
aqi not available
 
Redding
60 
65 
81 
Sacramento Area
        Arden Arcade-Del Paso Manor
91 
97 
53 
        Auburn
61 
68 
 
        Colfax
61 
68 
 
        Cool
aqi not available
aqi not available
 
        Davis
66 
80 
27 
        Elk Grove
91 
97 
18 
        Folsom
91 
97 
29 
        Lincoln
61 
68 
 
        Natomas
91 
97 
17 
        North Highlands
91 
97 
11 
        Placerville
aqi not available
aqi not available
36 
        Rio Vista
66 
80 
 
        Roseville-Rocklin
61 
68 
30 
        Sacramento
91 
97 
53 
        Sloughhouse
91 
97 
15 
        Vacaville
66 
80 
 
        Woodland
66 
80 
 
San Diego Area
        San Diego Coast
Good
Moderate
38 
        San Diego Foothills
Good
Good
39 
        San Diego Mesa and Inland Valley
Moderate
Moderate
53 
San Francisco Area
        Concord
59 
Moderate
56 
        Fairfield
59 
Moderate
27 
        Fremont
59 
Moderate
48 
        Livermore
59 
Moderate
58 
        Napa
68 
Moderate
32 
        Oakland
66 
Moderate
66 
        Redwood City
59 
Moderate
48 
        San Francisco
66 
Moderate
61 
        San Jose
63 
Moderate
39 
        San Rafael
68 
Moderate
33 
        Santa Rosa
68 
Moderate
57 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
91 
Moderate
81 
        Fresno
76 
Moderate
109 
        Hanford
66 
Moderate
114 
        Madera
66 
Moderate
        Merced
53 
Moderate
73 
        Modesto
42 
Good
87 
        Stockton
50 
Good
63 
        Visalia
80 
Moderate
116 
San Luis Obispo County
        Atascadero
48 
49 
70 
        Carrizo Plains
36 
39 
10 
        Morro Bay
30 
31 
25 
        Nipomo
36 
36 
38 
        Paso Robles
49 
50 
70 
        Red Hills
33 
34 
29 
        San Luis Obispo
40 
42 
17 
Santa Barbara County
        Carpinteria
Good
aqi not available
21 
        Gaviota Coast
Good
aqi not available
34 
        Goleta
Good
aqi not available
38 
        Lompoc
Good
aqi not available
42 
        Paradise Road
Good
aqi not available
27 
        Santa Barbara
Good
aqi not available
        Santa Maria
Good
aqi not available
47 
        Santa Ynez
Good
aqi not available
13 
Santa Rosa Rancheria
aqi not available
aqi not available
31 
Sequoia/Kings Canyon National Parks
43 
aqi not available
16 
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
43 
Tuolumne City
aqi not available
aqi not available
79 
Tuolumne County
aqi not available
aqi not available
 
Ventura County Area
        Ojai
40 
40 
53 
        Oxnard
40 
40 
30 
        Piru
40 
40 
40 
        Simi Valley
40 
40 
19 
        Thousand Oaks
40 
45 
17 
Western Nevada County
36 
36 
 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
40 
aqi not available
70 
Yuba City/Marysville
Moderate
Moderate
26 
Yucca Vly
38 
50 
 
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: