California
 
Data and Forecasts courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20170222_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
Wed
Feb 22
Thu
Feb 23
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
19 
Bishop Paiute Tribe
aqi not available
aqi not available
19 
Chester
aqi not available
aqi not available
 
Chico
Good
Good
40 
Death Valley National Park
42 
aqi not available
44 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
14 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
35 
Imperial Valley
88 
42 
36 
Joshua Tree National Park
aqi not available
aqi not available
47 
La Grange
aqi not available
aqi not available
37 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
38 
aqi not available
41 
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
55 
Los Angeles Area
        Antelope Vly
29 
aqi not available
31 
        Anza Vly
42 
aqi not available
51 
        Banning
50 
aqi not available
54 
        Barstow
37 
aqi not available
30 
        Big Bear Lake
37 
aqi not available
 
        C San Bernardino M
46 
aqi not available
38 
        C San Bernardino-1
63 
aqi not available
59 
        C San Bernardino-2
57 
aqi not available
59 
        Capistrano Vly
42 
aqi not available
18 
        Central Coastal
42 
aqi not available
22 
        Central LA CO
42 
aqi not available
37 
        Central Orange-1
33 
aqi not available
34 
        Central Orange-2
53 
aqi not available
34 
        Coachella Vly
63 
aqi not available
22 
        E San Bernardino
50 
aqi not available
15 
        E San Fernando Vly
42 
aqi not available
23 
        E San Gabriel V-1
50 
aqi not available
30 
        E San Gabriel V-2
46 
aqi not available
30 
        East Riverside CO
37 
aqi not available
44 
        Hemet/San Jacinto
50 
aqi not available
51 
        Hesperia
37 
aqi not available
 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
 
Aiken-Augusta - SC/GA
aqi not available
31 
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
34 
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
Aiken-Augusta - SC/GA
aqi not available
aqi not available
31 
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.