California
 
Data and Forecasts courtesy of:
 

 - 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 Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20180717_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
Siskiyou County Air Pollution Control 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
Tue
Jul 17
Wed
Jul 18
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
70 
Bishop Paiute Tribe
aqi not available
aqi not available
64 
Chester
aqi not available
aqi not available
30 
Chico
Moderate
aqi not available
43 
Death Valley National Park
67
aqi not available
67 
Forest Ranch
aqi not available
aqi not available
 
Fort Bragg
aqi not available
aqi not available
Great Basin Air District
aqi not available
aqi not available
70 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
46 
Imperial Valley
aqi not available
aqi not available
49 
Joshua Tree National Park
aqi not available
aqi not available
67 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
51
aqi not available
37 
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
51 
Los Angeles Area
        Antelope Vly
67
aqi not available
48 
        Anza Vly
46
aqi not available
25 
        Banning
100
aqi not available
71 
        Barstow
53
aqi not available
39 
        Big Bear Lake
100
aqi not available
 
        C San Bernardino M
132
aqi not available
42 
        C San Bernardino-1
100
aqi not available
64 
        C San Bernardino-2
100
aqi not available
64 
        Capistrano Vly
42
aqi not available
23 
        Central Coastal
55
aqi not available
23 
        Central LA CO
55
aqi not available
62 
        Central Orange-1
42
aqi not available
30 
        Central Orange-2
42
aqi not available
30 
        Coachella Vly
100
aqi not available
50 
        E San Bernardino
100
aqi not available
17 
        E San Fernando Vly
67
aqi not available
62 
        E San Gabriel V-1
63
aqi not available
56 
        E San Gabriel V-2
61
aqi not available
56 
        East Riverside CO
55
aqi not available
 
        Hemet/San Jacinto
67
aqi not available
25 
        Hesperia
67
aqi not available
49 
        Lake Elsinore
67
aqi not available
15 
        Metro Riverside CO
67
aqi not available
45 
        N Coastal Orange
42
aqi not available
38 
        NW Coastal LA
38
aqi not available
38 
        NW San Bernardino
100
aqi not available
64 
        Norco/Corona
67
aqi not available
45 
        North Orange CO
42
aqi not available
30 
        Perris Vly
67
aqi not available
25 
        Phelan
100
aqi not available
51 
        Pomona Walnut Vly
61
aqi not available
15 
        S Central LA CO
67
aqi not available
19 
        S San Gabriel Vly
46
aqi not available
 
        SW Coastal LA
37
aqi not available
38 
        SW San Bernardino
67
aqi not available
64 
        Saddleback Vly
37
aqi not available
30 
        San Gabriel Mts
67
aqi not available
56 
        Santa Clarita Vly
132
aqi not available
56 
        South Coastal LA
38
aqi not available
38 
        Southeast LA CO
57
aqi not available
30 
        Temecula Vly
53
aqi not available
25 
        Trona
53
aqi not available
 
        Twentynine Palms
67
aqi not available
39 
        Victorville
55
aqi not available
55 
        W San Bernardino M
132
aqi not available
64 
        W San Fernando Vly
67
aqi not available
62 
        W San Gabriel Vly
50
aqi not available
52 
Mammoth Lakes
aqi not available
aqi not available
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
16 
Mono Lake
aqi not available
aqi not available
 
Monterey Bay Area
        Carmel Valley
Good
aqi not available
23 
        Davenport
Good
aqi not available
 
        Hollister
Good
aqi not available
19 
        King City
Good
aqi not available
20 
        Marina/Seaside
Good
aqi not available
 
        Monterey Peninsula
Good
aqi not available
 
        Pinnacles National Monument
42
aqi not available
15 
        Salinas
Good
aqi not available
34 
        San Lorenzo Valley
Good
aqi not available
 
        Santa Cruz
Good
aqi not available
34 
        Scotts Valley
Good
aqi not available
 
        Watsonville
Good
aqi not available
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
51 
Paradise
Moderate
aqi not available
45 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
21 
Quincy
aqi not available
aqi not available
23 
Red Bluff
Good
aqi not available
29 
Redding
aqi not available
aqi not available
58 
Sacramento Area
        Arden Arcade-Del Paso Manor
108
105
33 
        Auburn
119
115
35 
        Colfax
119
115
48 
        Cool
115
112
30 
        Davis
84
77
27 
        Elk Grove
108
105
19 
        Folsom
108
105
27 
        Lincoln
119
115
 
        Natomas
108
105
 
        North Highlands
108
105
19 
        Placerville
115
112
54 
        Rio Vista
84
77
12 
        Roseville-Rocklin
119
115
30 
        Sacramento
108
105
22 
        Sloughhouse
108
105
23 
        Vacaville
84
77
24 
        Woodland
84
77
28 
San Diego Area
        San Diego Coast
Good
aqi not available
25 
        San Diego Foothills
Moderate
aqi not available
31 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
22 
San Francisco Area
        Concord
84
Moderate
55 
        Fairfield
84
Moderate
23 
        Fremont
50
Good
18 
        Livermore
84
Moderate
29 
        Napa
47
Moderate
 
        Oakland
57
Moderate
42 
        Redwood City
50
Good
18 
        San Francisco
57
Moderate
33 
        San Jose
87
Moderate
21 
        San Rafael
47
Moderate
15 
        Santa Rosa
47
Moderate
 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
112
Unhealthy for Sensitive Groups
55 
        Fresno
100
Moderate
37 
        Hanford
71
Moderate
39 
        Madera
77
Moderate
20 
        Merced
67
Moderate
36 
        Modesto
77
Moderate
26 
        Stockton
61
Moderate
27 
        Visalia
97
Moderate
40 
San Luis Obispo County
        Atascadero
44
47
18 
        Carrizo Plains
50
52
23 
        Morro Bay
27
34
26 
        Nipomo
49
40
25 
        Paso Robles
44
46
23 
        Red Hills
50
52
36 
        San Luis Obispo
28
32
27 
Santa Barbara County
        Carpinteria
Good
aqi not available
 
        Gaviota Coast
Good
aqi not available
19 
        Goleta
Good
aqi not available
31 
        Lompoc
Good
aqi not available
27 
        Paradise Road
Good
aqi not available
14 
        Santa Barbara
Good
aqi not available
24 
        Santa Maria
Good
aqi not available
24 
        Santa Ynez
Good
aqi not available
17 
Santa Rosa Rancheria
aqi not available
aqi not available
34 
Sequoia/Kings Canyon National Parks
84
aqi not available
96 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
45 
Truckee
aqi not available
aqi not available
49 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
30 
Ventura County Area
        Ojai
50
50
42 
        Oxnard
35
40
20 
        Piru
55
55
32 
        Simi Valley
55
60
39 
        Thousand Oaks
50
55
23 
Western Nevada County
80
80
50 
Willits
aqi not available
aqi not available
 
Willows
Good
aqi not available
19 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
46
aqi not available
177 
Yreka
aqi not available
aqi not available
63 
Yuba City/Marysville
101
aqi not available
48 
Yucca Vly
67
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.