California
 
Data and Forecasts courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20170729_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
Jul 29
Sun
Jul 30
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
56 
Bishop Paiute Tribe
aqi not available
aqi not available
15 
Chester
aqi not available
aqi not available
 
Chico
Moderate
aqi not available
35 
Death Valley National Park
93 
aqi not available
51 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
56 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
45 
Imperial Valley
aqi not available
aqi not available
50 
Joshua Tree National Park
aqi not available
aqi not available
45 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
71 
aqi not available
32 
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
56 
Los Angeles Area
        Antelope Vly
67 
67 
48 
        Anza Vly
67 
67 
56 
        Banning
161 
132 
59 
        Barstow
67 
67 
31 
        Big Bear Lake
132 
161 
 
        C San Bernardino M
187 
187 
67 
        C San Bernardino-1
67 
67 
56 
        C San Bernardino-2
161 
161 
56 
        Capistrano Vly
50 
46 
27 
        Central Coastal
46 
55 
27 
        Central LA CO
50 
46 
74 
        Central Orange-1
67 
46 
38 
        Central Orange-2
50 
50 
38 
        Coachella Vly
161 
161 
46 
        E San Bernardino
161 
161 
        E San Fernando Vly
100 
100 
74 
        E San Gabriel V-1
67 
67 
31 
        E San Gabriel V-2
61 
55 
31 
        East Riverside CO
67 
50 
 
        Hemet/San Jacinto
132 
100 
47 
        Hesperia
50 
67 
42 
        Lake Elsinore
132 
161 
56 
        Metro Riverside CO
132 
132 
54 
        N Coastal Orange
37 
46 
32 
        NW Coastal LA
67 
46 
32 
        NW San Bernardino
100 
100 
56 
        Norco/Corona
132 
132 
43 
        North Orange CO
67 
67 
38 
        Perris Vly
161 
161 
47 
        Phelan
67 
67 
49 
        Pomona Walnut Vly
67 
67 
        S Central LA CO
37 
42 
19 
        S San Gabriel Vly
67 
67 
 
        SW Coastal LA
46 
46 
32 
        SW San Bernardino
100 
100 
56 
        Saddleback Vly
67 
67 
38 
        San Gabriel Mts
100 
100 
51 
        Santa Clarita Vly
132 
132 
51 
        South Coastal LA
46 
46 
32 
        Southeast LA CO
55 
46 
38 
        Temecula Vly
67 
67 
56 
        Trona
50 
50 
44 
        Twentynine Palms
50 
67 
31 
        Victorville
67 
50 
34 
        W San Bernardino M
132 
161 
67 
        W San Fernando Vly
67 
67 
74 
        W San Gabriel Vly
57 
46 
51 
Mammoth Lakes
aqi not available
aqi not available
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
22 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
25 
        Davenport
Good
Good
 
        Hollister
Good
Good
19 
        King City
Moderate
Moderate
41 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Moderate
Moderate
14 
        Salinas
Good
Good
48 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
48 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
56 
Paradise
Moderate
aqi not available
64 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
 
Quincy
aqi not available
aqi not available
33 
Red Bluff
aqi not available
aqi not available
 
Aurora/Elgin
86 
90 
39 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Moderate
Moderate
 
Aurora/Elgin
Good
Good
 
Aurora/Elgin
Good
Good
 
Aurora/Elgin
Moderate
44 
 
Aurora/Elgin
Moderate
48 
 
Aurora/Elgin
20 
Moderate
20 
Aurora/Elgin
20 
Moderate
20 
Aurora/Elgin
20 
Moderate
20 
Aurora/Elgin
Moderate
Moderate
48 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
Aurora/Elgin
Good
Moderate
20 
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.