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_20180621_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
Thu
Jun 21
Fri
Jun 22
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
30 
Bishop Paiute Tribe
aqi not available
aqi not available
10 
Chester
aqi not available
aqi not available
11 
Chico
Moderate
aqi not available
35 
Death Valley National Park
48
aqi not available
51 
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
30 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
31 
Imperial Valley
112
100
27 
Joshua Tree National Park
aqi not available
aqi not available
129 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
47
aqi not available
29 
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
28 
Los Angeles Area
        Antelope Vly
67
aqi not available
36 
        Anza Vly
67
aqi not available
44 
        Banning
100
aqi not available
71 
        Barstow
67
aqi not available
39 
        Big Bear Lake
132
aqi not available
 
        C San Bernardino M
187
aqi not available
40 
        C San Bernardino-1
132
aqi not available
69 
        C San Bernardino-2
161
aqi not available
69 
        Capistrano Vly
50
aqi not available
37 
        Central Coastal
46
aqi not available
37 
        Central LA CO
57
aqi not available
111 
        Central Orange-1
50
aqi not available
52 
        Central Orange-2
50
aqi not available
52 
        Coachella Vly
132
aqi not available
74 
        E San Bernardino
187
aqi not available
11 
        E San Fernando Vly
67
aqi not available
111 
        E San Gabriel V-1
70
aqi not available
74 
        E San Gabriel V-2
100
aqi not available
74 
        East Riverside CO
50
aqi not available
 
        Hemet/San Jacinto
100
aqi not available
44 
        Hesperia
100
aqi not available
54 
        Lake Elsinore
132
aqi not available
40 
        Metro Riverside CO
161
aqi not available
66 
        N Coastal Orange
46
aqi not available
35 
        NW Coastal LA
53
aqi not available
35 
        NW San Bernardino
161
aqi not available
69 
        Norco/Corona
100
aqi not available
66 
        North Orange CO
50
aqi not available
52 
        Perris Vly
161
aqi not available
44 
        Phelan
100
aqi not available
77 
        Pomona Walnut Vly
100
aqi not available
24 
        S Central LA CO
46
aqi not available
34 
        S San Gabriel Vly
67
aqi not available
 
        SW Coastal LA
46
aqi not available
35 
        SW San Bernardino
132
aqi not available
69 
        Saddleback Vly
50
aqi not available
52 
        San Gabriel Mts
100
aqi not available
81 
        Santa Clarita Vly
100
aqi not available
81 
        South Coastal LA
53
aqi not available
38 
        Southeast LA CO
66
aqi not available
52 
        Temecula Vly
61
aqi not available
44 
        Trona
50
aqi not available
49 
        Twentynine Palms
100
aqi not available
39 
        Victorville
50
aqi not available
33 
        W San Bernardino M
132
aqi not available
69 
        W San Fernando Vly
67
aqi not available
111 
        W San Gabriel Vly
66
aqi not available
76 
Mammoth Lakes
aqi not available
aqi not available
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
15 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
22 
        Davenport
Good
Good
 
        Hollister
Moderate
Moderate
13 
        King City
Moderate
Moderate
25 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Moderate
Moderate
23 
        Salinas
Good
Good
33 
        San Lorenzo Valley
Moderate
Moderate
 
        Santa Cruz
Good
Good
33 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
28 
Paradise
Moderate
aqi not available
51 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
25 
Quincy
aqi not available
aqi not available
20 
Red Bluff
Good
aqi not available
32 
Redding
aqi not available
aqi not available
64 
Sacramento Area
        Arden Arcade-Del Paso Manor
108
101
28 
        Auburn
115
108
40 
        Colfax
115
108
37 
        Cool
112
101
31 
        Davis
80
67
13 
        Elk Grove
108
101
10 
        Folsom
108
101
20 
        Lincoln
115
108
 
        Natomas
108
101
 
        North Highlands
108
101
15 
        Placerville
112
101
50 
        Rio Vista
80
67
24 
        Roseville-Rocklin
115
108
30 
        Sacramento
108
101
15 
        Sloughhouse
108
101
39 
        Vacaville
80
67
19 
        Woodland
80
67
18 
San Diego Area
        San Diego Coast
Good
aqi not available
43 
        San Diego Foothills
Unhealthy for Sensitive Groups
aqi not available
27 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
52 
San Francisco Area
        Concord
45
Moderate
40 
        Fairfield
45
Moderate
19 
        Fremont
43
Good
19 
        Livermore
45
Moderate
19 
        Napa
39
Good
 
        Oakland
50
Moderate
25 
        Redwood City
43
Good
13 
        San Francisco
50
Moderate
20 
        San Jose
46
Moderate
15 
        San Rafael
39
Good
19 
        Santa Rosa
39
Good
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
133
Unhealthy for Sensitive Groups
35 
        Fresno
112
Unhealthy for Sensitive Groups
30 
        Hanford
90
Moderate
26 
        Madera
80
Moderate
17 
        Merced
50
Good
28 
        Modesto
80
Moderate
22 
        Stockton
64
Moderate
37 
        Visalia
119
Unhealthy for Sensitive Groups
46 
San Luis Obispo County
        Atascadero
52
55
81 
        Carrizo Plains
56
58
44 
        Morro Bay
42
45
20 
        Nipomo
62
50
19 
        Paso Robles
54
58
81 
        Red Hills
56
57
48 
        San Luis Obispo
44
47
18 
Santa Barbara County
        Carpinteria
Good
aqi not available
25 
        Gaviota Coast
Good
aqi not available
21 
        Goleta
Good
aqi not available
35 
        Lompoc
Good
aqi not available
23 
        Paradise Road
Good
aqi not available
12 
        Santa Barbara
Good
aqi not available
48 
        Santa Maria
Good
aqi not available
25 
        Santa Ynez
Good
aqi not available
18 
Santa Rosa Rancheria
aqi not available
aqi not available
32 
Sequoia/Kings Canyon National Parks
119
aqi not available
59 
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
55 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
32 
Ventura County Area
        Ojai
80
80
35 
        Oxnard
60
70
51 
        Piru
80
80
24 
        Simi Valley
80
80
69 
        Thousand Oaks
80
80
47 
Western Nevada County
65
80
58 
Willits
aqi not available
aqi not available
 
Willows
Good
aqi not available
19 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
47
aqi not available
45 
Yreka
aqi not available
aqi not available
21 
Yuba City/Marysville
77
aqi not available
35 
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.