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_20180821_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
Aug 21
Wed
Aug 22
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
58 
Bishop Paiute Tribe
aqi not available
aqi not available
44 
Chester
aqi not available
aqi not available
73 
Chico
Moderate
aqi not available
78 
Death Valley National Park
46
aqi not available
51 
Eureka
aqi not available
aqi not available
169 
Forest Ranch
aqi not available
aqi not available
 
Fort Bragg
Moderate
Moderate
20 
Great Basin Air District
aqi not available
aqi not available
58 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Moderate
aqi not available
80 
Imperial Valley
aqi not available
aqi not available
39 
Joshua Tree National Park
aqi not available
aqi not available
80 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
71
aqi not available
44 
Laytonville
Moderate
Moderate
 
Leggett
Moderate
Moderate
 
Lone Pine Paiute-Shoshone Reservation
aqi not available
aqi not available
25 
Los Angeles Area
        Antelope Vly
89
aqi not available
50 
        Anza Vly
57
aqi not available
56 
        Banning
101
aqi not available
69 
        Barstow
85
aqi not available
39 
        Big Bear Lake
114
aqi not available
 
        C San Bernardino M
159
aqi not available
100 
        C San Bernardino-1
118
aqi not available
82 
        C San Bernardino-2
138
aqi not available
82 
        Capistrano Vly
36
aqi not available
31 
        Central Coastal
46
aqi not available
31 
        Central LA CO
63
aqi not available
86 
        Central Orange-1
59
aqi not available
59 
        Central Orange-2
54
aqi not available
59 
        Coachella Vly
124
aqi not available
47 
        E San Bernardino
156
aqi not available
        E San Fernando Vly
57
aqi not available
86 
        E San Gabriel V-1
92
aqi not available
78 
        E San Gabriel V-2
104
aqi not available
78 
        East Riverside CO
111
aqi not available
 
        Hemet/San Jacinto
79
aqi not available
55 
        Hesperia
104
aqi not available
48 
        Lake Elsinore
67
aqi not available
56 
        Metro Riverside CO
108
aqi not available
69 
        N Coastal Orange
52
aqi not available
68 
        NW Coastal LA
42
aqi not available
68 
        NW San Bernardino
92
aqi not available
82 
        Norco/Corona
67
aqi not available
69 
        North Orange CO
52
aqi not available
59 
        Perris Vly
95
aqi not available
55 
        Phelan
121
aqi not available
47 
        Pomona Walnut Vly
73
aqi not available
18 
        S Central LA CO
46
aqi not available
31 
        S San Gabriel Vly
49
aqi not available
 
        SW Coastal LA
46
aqi not available
68 
        SW San Bernardino
89
aqi not available
82 
        Saddleback Vly
41
aqi not available
59 
        San Gabriel Mts
101
aqi not available
98 
        Santa Clarita Vly
111
aqi not available
98 
        South Coastal LA
65
aqi not available
68 
        Southeast LA CO
46
aqi not available
59 
        Temecula Vly
64
aqi not available
56 
        Trona
85
aqi not available
44 
        Twentynine Palms
111
aqi not available
39 
        Victorville
60
aqi not available
57 
        W San Bernardino M
121
aqi not available
100 
        W San Fernando Vly
74
aqi not available
86 
        W San Gabriel Vly
85
aqi not available
72 
Mammoth Lakes
aqi not available
aqi not available
17 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Moderate
Moderate
82 
Mono Lake
aqi not available
aqi not available
24 
Monterey Bay Area
        Carmel Valley
Moderate
Good
 
        Davenport
Good
Good
 
        Hollister
Moderate
Good
 
        King City
Moderate
Moderate
 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
 
        Salinas
Moderate
Good
61 
        San Lorenzo Valley
Moderate
Good
 
        Santa Cruz
Moderate
Good
69 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
25 
Paradise
Moderate
aqi not available
67 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
35 
Quincy
aqi not available
aqi not available
42 
Red Bluff
Moderate
aqi not available
62 
Redding
aqi not available
aqi not available
99 
Sacramento Area
        Arden Arcade-Del Paso Manor
93
99
68 
        Auburn
100
100
63 
        Colfax
100
100
65 
        Cool
95
100
46 
        Davis
80
68
72 
        Elk Grove
93
99
70 
        Folsom
93
99
68 
        Lincoln
100
100
 
        Natomas
93
99
 
        North Highlands
93
99
23 
        Placerville
95
100
64 
        Rio Vista
80
68
73 
        Roseville-Rocklin
100
100
75 
        Sacramento
93
99
59 
        Sloughhouse
93
99
72 
        Vacaville
80
68
57 
        Woodland
80
68
62 
San Diego Area
        San Diego Coast
Moderate
aqi not available
63 
        San Diego Foothills
Moderate
aqi not available
62 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
78 
San Francisco Area
        Concord
72
Good
59 
        Fairfield
72
Good
68 
        Fremont
53
Good
41 
        Livermore
72
Good
60 
        Napa
63
Moderate
68 
        Oakland
70
Moderate
63 
        Redwood City
53
Good
41 
        San Francisco
70
Moderate
64 
        San Jose
61
Good
73 
        San Rafael
63
Moderate
62 
        Santa Rosa
63
Moderate
 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
105
Unhealthy for Sensitive Groups
59 
        Fresno
119
Unhealthy for Sensitive Groups
71 
        Hanford
97
Moderate
32 
        Madera
97
Moderate
27 
        Merced
80
Moderate
70 
        Modesto
97
Moderate
75 
        Stockton
87
Moderate
75 
        Visalia
78
Moderate
83 
San Luis Obispo County
        Atascadero
70
67
51 
        Carrizo Plains
54
54
19 
        Morro Bay
58
57
32 
        Nipomo
77
75
63 
        Paso Robles
70
67
51 
        Red Hills
58
57
39 
        San Luis Obispo
67
63
65 
Santa Barbara County
        Carpinteria
Good
aqi not available
 
        Gaviota Coast
Good
aqi not available
27 
        Goleta
Moderate
aqi not available
60 
        Lompoc
Moderate
aqi not available
54 
        Paradise Road
Good
aqi not available
12 
        Santa Barbara
Moderate
aqi not available
58 
        Santa Maria
Moderate
aqi not available
59 
        Santa Ynez
Moderate
aqi not available
24 
Santa Rosa Rancheria
aqi not available
aqi not available
57 
Sequoia/Kings Canyon National Parks
54
aqi not available
58 
South Lake Tahoe
aqi not available
aqi not available
33 
Tahoe City area
aqi not available
aqi not available
27 
Truckee
aqi not available
aqi not available
34 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
36 
Ventura County Area
        Ojai
55
55
68 
        Oxnard
45
45
45 
        Piru
60
55
88 
        Simi Valley
60
60
72 
        Thousand Oaks
50
55
62 
Western Nevada County
80
70
71 
Willits
Moderate
Moderate
 
Willows
aqi not available
aqi not available
68 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
74
aqi not available
83 
Yreka
aqi not available
aqi not available
156 
Yuba City/Marysville
77
aqi not available
79 
Yucca Vly
89
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.