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_20180816_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
Aug 16
Fri
Aug 17
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
47 
Bishop Paiute Tribe
aqi not available
aqi not available
34 
Chester
aqi not available
aqi not available
23 
Chico
Moderate
Moderate
73 
Death Valley National Park
61
aqi not available
47 
Eureka
aqi not available
aqi not available
30 
Forest Ranch
aqi not available
aqi not available
 
Fort Bragg
Moderate
Moderate
26 
Great Basin Air District
aqi not available
aqi not available
47 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Moderate
Moderate
64 
Imperial Valley
aqi not available
aqi not available
34 
Joshua Tree National Park
aqi not available
aqi not available
36 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
48
aqi not available
42 
Laytonville
Moderate
Moderate
 
Leggett
Moderate
Moderate
 
Lone Pine Paiute-Shoshone Reservation
aqi not available
aqi not available
46 
Los Angeles Area
        Antelope Vly
67
67
71 
        Anza Vly
67
50
87 
        Banning
132
100
33 
        Barstow
46
46
80 
        Big Bear Lake
132
100
 
        C San Bernardino M
161
161
51 
        C San Bernardino-1
132
132
72 
        C San Bernardino-2
161
161
72 
        Capistrano Vly
46
50
30 
        Central Coastal
38
42
30 
        Central LA CO
50
53
77 
        Central Orange-1
42
46
54 
        Central Orange-2
46
50
54 
        Coachella Vly
100
100
27 
        E San Bernardino
161
161
44 
        E San Fernando Vly
46
53
77 
        E San Gabriel V-1
59
100
69 
        E San Gabriel V-2
57
67
69 
        East Riverside CO
50
50
 
        Hemet/San Jacinto
67
67
49 
        Hesperia
100
67
51 
        Lake Elsinore
132
100
87 
        Metro Riverside CO
67
100
68 
        N Coastal Orange
33
38
 
        NW Coastal LA
38
38
30 
        NW San Bernardino
132
100
72 
        Norco/Corona
67
100
68 
        North Orange CO
50
50
54 
        Perris Vly
67
132
49 
        Phelan
100
100
58 
        Pomona Walnut Vly
67
67
35 
        S Central LA CO
29
33
28 
        S San Gabriel Vly
46
46
 
        SW Coastal LA
37
37
30 
        SW San Bernardino
100
67
72 
        Saddleback Vly
46
46
54 
        San Gabriel Mts
67
67
69 
        Santa Clarita Vly
132
132
65 
        South Coastal LA
37
38
24 
        Southeast LA CO
53
55
54 
        Temecula Vly
53
67
87 
        Trona
46
50
54 
        Twentynine Palms
100
67
80 
        Victorville
50
50
71 
        W San Bernardino M
132
132
72 
        W San Fernando Vly
67
57
77 
        W San Gabriel Vly
57
59
67 
Mammoth Lakes
aqi not available
aqi not available
38 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Moderate
Moderate
134 
Mono Lake
aqi not available
aqi not available
17 
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
Good
Good
 
        Salinas
Good
Good
54 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
53 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
Moderate
Moderate
 
Owens Lake
aqi not available
aqi not available
47 
Paradise
Moderate
Moderate
44 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
18 
Quincy
aqi not available
aqi not available
19 
Red Bluff
aqi not available
aqi not available
64 
Redding
aqi not available
aqi not available
144 
Sacramento Area
        Arden Arcade-Del Paso Manor
93
108
75 
        Auburn
119
122
51 
        Colfax
119
122
53 
        Cool
115
122
46 
        Davis
77
80
63 
        Elk Grove
93
108
65 
        Folsom
93
108
58 
        Lincoln
119
122
 
        Natomas
93
108
 
        North Highlands
93
108
31 
        Placerville
115
122
46 
        Rio Vista
77
80
63 
        Roseville-Rocklin
119
122
70 
        Sacramento
93
108
55 
        Sloughhouse
93
108
71 
        Vacaville
77
80
55 
        Woodland
77
80
71 
San Diego Area
        San Diego Coast
Good
Good
37 
        San Diego Foothills
Good
Good
45 
        San Diego Mesa and Inland Valley
Moderate
Moderate
51 
San Francisco Area
        Concord
50
84
62 
        Fairfield
50
84
64 
        Fremont
49
63
85 
        Livermore
50
84
73 
        Napa
42
70
60 
        Oakland
46
66
78 
        Redwood City
49
63
85 
        San Francisco
46
66
62 
        San Jose
50
80
75 
        San Rafael
42
70
70 
        Santa Rosa
42
70
53 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
108
Unhealthy for Sensitive Groups
77 
        Fresno
90
Moderate
75 
        Hanford
71
Moderate
35 
        Madera
67
Moderate
35 
        Merced
71
Moderate
74 
        Modesto
64
Moderate
65 
        Stockton
64
Moderate
75 
        Visalia
93
Moderate
85 
San Luis Obispo County
        Atascadero
52
51
50 
        Carrizo Plains
77
74
64 
        Morro Bay
51
51
25 
        Nipomo
52
51
57 
        Paso Robles
52
51
50 
        Red Hills
52
55
41 
        San Luis Obispo
52
51
55 
Santa Barbara County
        Carpinteria
Good
Good
35 
        Gaviota Coast
Good
Good
30 
        Goleta
Good
Good
53 
        Lompoc
Good
Good
51 
        Paradise Road
Good
Good
33 
        Santa Barbara
Good
Good
51 
        Santa Maria
Good
Good
54 
        Santa Ynez
Good
Good
30 
Santa Rosa Rancheria
aqi not available
aqi not available
63 
Sequoia/Kings Canyon National Parks
77
aqi not available
 
South Lake Tahoe
aqi not available
aqi not available
75 
Tahoe City area
aqi not available
aqi not available
23 
Truckee
aqi not available
aqi not available
 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
48 
Ventura County Area
        Ojai
45
50
39 
        Oxnard
40
40
48 
        Piru
55
55
60 
        Simi Valley
45
55
58 
        Thousand Oaks
40
45
46 
Western Nevada County
70
70
45 
Willits
Moderate
Moderate
 
Willows
aqi not available
aqi not available
61 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
44
aqi not available
64 
Yreka
aqi not available
aqi not available
179 
Yuba City/Marysville
Moderate
aqi not available
73 
Yucca Vly
67
67
 
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.