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_20180624_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
Sun
Jun 24
Mon
Jun 25
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
54 
Bishop Paiute Tribe
aqi not available
aqi not available
37 
Chester
aqi not available
aqi not available
 
Chico
Good
Good
44 
Death Valley National Park
61
87
74 
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
88 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
46 
Imperial Valley
87
67
100 
Joshua Tree National Park
aqi not available
aqi not available
105 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
41
51
49 
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
21 
Los Angeles Area
        Antelope Vly
100
67
119 
        Anza Vly
67
67
48 
        Banning
161
100
77 
        Barstow
67
67
151 
        Big Bear Lake
132
132
 
        C San Bernardino M
187
187
129 
        C San Bernardino-1
132
161
129 
        C San Bernardino-2
132
161
129 
        Capistrano Vly
46
50
37 
        Central Coastal
55
46
37 
        Central LA CO
67
53
80 
        Central Orange-1
67
46
47 
        Central Orange-2
46
50
47 
        Coachella Vly
161
132
90 
        E San Bernardino
161
161
119 
        E San Fernando Vly
100
67
80 
        E San Gabriel V-1
100
100
77 
        E San Gabriel V-2
132
132
77 
        East Riverside CO
50
50
 
        Hemet/San Jacinto
100
100
80 
        Hesperia
132
100
115 
        Lake Elsinore
161
132
45 
        Metro Riverside CO
132
161
61 
        N Coastal Orange
55
55
 
        NW Coastal LA
46
46
36 
        NW San Bernardino
161
132
71 
        Norco/Corona
132
100
61 
        North Orange CO
67
67
47 
        Perris Vly
132
132
80 
        Phelan
100
100
119 
        Pomona Walnut Vly
67
100
43 
        S Central LA CO
57
57
37 
        S San Gabriel Vly
67
67
 
        SW Coastal LA
46
46
35 
        SW San Bernardino
100
100
71 
        Saddleback Vly
67
67
47 
        San Gabriel Mts
132
100
90 
        Santa Clarita Vly
132
132
90 
        South Coastal LA
67
37
34 
        Southeast LA CO
67
50
47 
        Temecula Vly
67
67
48 
        Trona
67
50
62 
        Twentynine Palms
132
100
151 
        Victorville
50
50
119 
        W San Bernardino M
132
132
129 
        W San Fernando Vly
84
84
80 
        W San Gabriel Vly
67
67
55 
Mammoth Lakes
aqi not available
aqi not available
88 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
28 
Mono Lake
aqi not available
aqi not available
13 
Monterey Bay Area
        Carmel Valley
Good
Good
34 
        Davenport
Good
Good
 
        Hollister
Moderate
Good
33 
        King City
Moderate
Good
45 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Moderate
Good
36 
        Salinas
Good
Good
45 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
35 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
21 
Paradise
Moderate
Moderate
61 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
 
Quincy
aqi not available
aqi not available
Red Bluff
aqi not available
aqi not available
 
Redding
41
51
54 
Sacramento Area
        Arden Arcade-Del Paso Manor
84
58
54 
        Auburn
84
64
108 
        Colfax
84
64
97 
        Cool
87
67
80 
        Davis
54
50
37 
        Elk Grove
84
58
39 
        Folsom
84
58
49 
        Lincoln
84
64
 
        Natomas
84
58
 
        North Highlands
84
58
49 
        Placerville
87
67
80 
        Rio Vista
54
50
26 
        Roseville-Rocklin
84
64
48 
        Sacramento
84
58
38 
        Sloughhouse
84
58
46 
        Vacaville
54
50
33 
        Woodland
54
50
47 
San Diego Area
        San Diego Coast
Moderate
Good
39 
        San Diego Foothills
Unhealthy for Sensitive Groups
Unhealthy for Sensitive Groups
54 
        San Diego Mesa and Inland Valley
Moderate
Moderate
39 
San Francisco Area
        Concord
54
48
42 
        Fairfield
54
48
41 
        Fremont
45
43
41 
        Livermore
54
48
46 
        Napa
44
40
 
        Oakland
48
53
36 
        Redwood City
45
43
31 
        San Francisco
48
53
31 
        San Jose
54
51
42 
        San Rafael
44
40
31 
        Santa Rosa
44
40
30 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
143
108
108 
        Fresno
133
126
74 
        Hanford
108
100
77 
        Madera
108
80
64 
        Merced
67
50
50 
        Modesto
108
61
64 
        Stockton
87
58
48 
        Visalia
122
126
119 
San Luis Obispo County
        Atascadero
58
51
32 
        Carrizo Plains
63
55
38 
        Morro Bay
34
34
30 
        Nipomo
39
38
29 
        Paso Robles
59
53
35 
        Red Hills
59
51
38 
        San Luis Obispo
46
44
23 
Santa Barbara County
        Carpinteria
Good
Good
36 
        Gaviota Coast
Good
Good
36 
        Goleta
Good
Good
37 
        Lompoc
Good
Good
36 
        Paradise Road
Good
Good
42 
        Santa Barbara
Good
Good
33 
        Santa Maria
Good
Good
28 
        Santa Ynez
Good
Good
36 
Santa Rosa Rancheria
aqi not available
aqi not available
80 
Sequoia/Kings Canyon National Parks
84
87
101 
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
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
90 
Ventura County Area
        Ojai
50
50
43 
        Oxnard
50
50
38 
        Piru
55
55
44 
        Simi Valley
55
55
54 
        Thousand Oaks
50
50
38 
Western Nevada County
70
75
74 
Willits
aqi not available
aqi not available
 
Willows
Good
Good
 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
47
48
61 
Yreka
aqi not available
aqi not available
48 
Yuba City/Marysville
71
97
54 
Yucca Vly
132
100
 
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.