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_20190624_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
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 Air Resources 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
Mon
Jun 24
Tue
Jun 25
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
50 
Bishop Paiute Tribe
aqi not available
aqi not available
14 
Brawley
100
80
44 
Calexico
100
80
50 
Chester
aqi not available
aqi not available
10 
Chico
Good
Moderate
44 
Death Valley National Park
51
67
87 
El Centro
100
80
51 
Eureka
aqi not available
aqi not available
28 
Forest Ranch
aqi not available
aqi not available
 
Fort Bragg
aqi not available
aqi not available
30 
Great Basin Air District
aqi not available
aqi not available
50 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
57 
Imperial Valley
100
80
51 
Indio - Twenty Nine Palms Reservation
aqi not available
aqi not available
31 
Joshua Tree National Park
aqi not available
aqi not available
101 
La Grange
aqi not available
aqi not available
 
Lassen Volcanic National Park
44
46
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
19 
Los Angeles Area
        Antelope Vly
73
65
93 
        Anza Vly
79
57
48 
        Banning
114
76
136 
        Barstow
111
48
101 
        Big Bear Lake
104
79
 
        C San Bernardino M
101
79
147 
        C San Bernardino-1
89
73
105 
        C San Bernardino-2
89
73
105 
        Capistrano Vly
38
37
45 
        Central Coastal
34
32
45 
        Central LA CO
54
57
52 
        Central Orange-1
37
38
42 
        Central Orange-2
32
38
42 
        Coachella Vly
108
101
126 
        E San Bernardino
101
82
112 
        E San Fernando Vly
63
67
52 
        E San Gabriel V-1
54
79
66 
        E San Gabriel V-2
54
79
66 
        East Riverside CO
108
79
 
        Hemet/San Jacinto
111
64
112 
        Hesperia
98
64
108 
        Lake Elsinore
82
45
48 
        Metro Riverside CO
92
67
67 
        N Coastal Orange
28
40
28 
        NW Coastal LA
57
61
39 
        NW San Bernardino
64
101
77 
        Norco/Corona
82
54
67 
        North Orange CO
57
42
42 
        Perris Vly
114
70
112 
        Phelan
114
85
129 
        Pomona Walnut Vly
67
54
44 
        S Central LA CO
57
54
37 
        S San Gabriel Vly
67
59
 
        SW Coastal LA
50
54
38 
        SW San Bernardino
63
79
77 
        Saddleback Vly
42
41
45 
        San Gabriel Mts
79
79
74 
        Santa Clarita Vly
89
64
74 
        South Coastal LA
42
35
30 
        Southeast LA CO
61
54
42 
        Temecula Vly
64
45
48 
        Trona
85
85
97 
        Twentynine Palms
108
79
101 
        Victorville
101
73
93 
        W San Bernardino M
57
92
147 
        W San Fernando Vly
61
59
52 
        W San Gabriel Vly
61
65
49 
Mammoth Lakes
aqi not available
aqi not available
20 
Markleeville
aqi not available
aqi not available
 
Mendocino County
aqi not available
aqi not available
 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
 
        Davenport
Good
Good
 
        Hollister
Good
Good
 
        King City
Good
Good
 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
41
40
 
        Salinas
Good
Good
45 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
49 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Niland
100
80
49 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
35 
Paradise
Moderate
Moderate
50 
Point Arena
aqi not available
aqi not available
30 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
26 
Quincy
aqi not available
aqi not available
10 
Red Bluff
Good
Good
41 
Redding
aqi not available
aqi not available
44 
Sacramento Area
        Arden Arcade-Del Paso Manor
100
67
42 
        Auburn
105
74
87 
        Colfax
105
74
67 
        Cool
101
77
74 
        Davis
77
51
38 
        Elk Grove
100
67
35 
        Folsom
100
67
54 
        Lincoln
105
74
61 
        Natomas
100
67
 
        North Highlands
100
67
48 
        Placerville
101
77
74 
        Rio Vista
77
51
18 
        Roseville-Rocklin
105
74
49 
        Sacramento
100
67
37 
        Sloughhouse
100
67
38 
        Vacaville
77
51
39 
        Woodland
77
51
44 
San Diego Area
        San Diego Coast
Good
Good
42 
        San Diego Foothills
Moderate
Moderate
49 
        San Diego Mesa and Inland Valley
Moderate
Good
42 
San Francisco Area
        Concord
58
37
45 
        Fairfield
58
37
60 
        Fremont
47
35
31 
        Livermore
58
37
38 
        Napa
42
35
57 
        Oakland
46
34
61 
        Redwood City
47
35
31 
        San Francisco
46
34
53 
        San Jose
54
36
54 
        San Rafael
42
35
57 
        Santa Rosa
42
35
50 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
115
101
112 
        Fresno
105
105
87 
        Hanford
90
64
84 
        Madera
93
71
77 
        Merced
74
51
87 
        Modesto
84
50
61 
        Stockton
67
42
39 
        Visalia
100
101
97 
San Luis Obispo County
        Atascadero
38
37
38 
        Carrizo Plains
51
41
58 
        Morro Bay
27
27
25 
        Nipomo
30
30
29 
        Paso Robles
43
39
38 
        Red Hills
42
39
47 
        San Luis Obispo
36
36
31 
Santa Barbara County
        Carpinteria
Good
Good
34 
        Gaviota Coast
Good
Good
35 
        Goleta
Good
Good
31 
        Lompoc
Good
Good
32 
        Paradise Road
Good
Good
34 
        Santa Barbara
Good
Good
34 
        Santa Maria
Good
Good
28 
        Santa Ynez
Good
Good
31 
Santa Rosa Rancheria
aqi not available
aqi not available
39 
Sequoia/Kings Canyon National Parks
64
58
105 
South Lake Tahoe
aqi not available
aqi not available
12 
Tahoe City area
aqi not available
aqi not available
Truckee
aqi not available
aqi not available
41 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
64 
Ukiah
aqi not available
aqi not available
27 
Ventura County Area
        Ojai
40
40
35 
        Oxnard
40
40
 
        Piru
40
40
35 
        Simi Valley
50
40
38 
        Thousand Oaks
35
35
32 
Western Nevada County
aqi not available
aqi not available
71 
Westmorland
100
80
43 
Willits
aqi not available
aqi not available
27 
Willows
aqi not available
aqi not available
40 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
46
49
67 
Yreka
aqi not available
aqi not available
35 
Yuba City/Marysville
Good
54
45 
Yucca Vly
114
89
 
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.