California
 
Data and Forecasts courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20170527_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.
 - 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.
 - 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 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 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
May 27
Sun
May 28
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
49 
Bishop Paiute Tribe
aqi not available
aqi not available
38 
Chester
aqi not available
aqi not available
 
Chico
Good
Good
62 
Death Valley National Park
43 
38 
46 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
49 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
38 
Imperial Valley
84 
100 
80 
Joshua Tree National Park
aqi not available
aqi not available
97 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
37 
38 
43 
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
23 
Los Angeles Area
        Antelope Vly
46 
46 
67 
        Anza Vly
46 
53 
47 
        Banning
67 
67 
101 
        Barstow
46 
46 
67 
        Big Bear Lake
67 
100 
 
        C San Bernardino M
100 
100 
126 
        C San Bernardino-1
55 
100 
112 
        C San Bernardino-2
100 
68 
112 
        Capistrano Vly
38 
50 
43 
Hawaii Volcanoes National Park
42 
46 
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
28 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
44 
Hawaii Volcanoes National Park
aqi not available
11 
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
aqi not available
 
Hawaii Volcanoes National Park
aqi not available
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.