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_20180819_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
Aug 19
Mon
Aug 20
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
66 
Bishop Paiute Tribe
aqi not available
aqi not available
62 
Chester
aqi not available
aqi not available
93 
Chico
Moderate
aqi not available
39 
Death Valley National Park
58
aqi not available
58 
Eureka
aqi not available
aqi not available
23 
Forest Ranch
aqi not available
aqi not available
 
Fort Bragg
Unhealthy for Sensitive Groups
Moderate
Great Basin Air District
aqi not available
aqi not available
66 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Moderate
aqi not available
67 
Imperial Valley
aqi not available
aqi not available
38 
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
67
aqi not available
67 
Laytonville
Unhealthy for Sensitive Groups
Moderate
 
Leggett
Unhealthy for Sensitive Groups
Moderate
 
Lone Pine Paiute-Shoshone Reservation
aqi not available
aqi not available
46 
Los Angeles Area
        Antelope Vly
95
aqi not available
42 
        Anza Vly
64
aqi not available
43 
        Banning
70
aqi not available
76 
        Barstow
50
aqi not available
34 
        Big Bear Lake
70
aqi not available
 
        C San Bernardino M
159
aqi not available
29 
        C San Bernardino-1
95
aqi not available
83 
        C San Bernardino-2
121
aqi not available
83 
        Capistrano Vly
39
aqi not available
26 
        Central Coastal
46
aqi not available
26 
        Central LA CO
50
aqi not available
81 
        Central Orange-1
52
aqi not available
60 
        Central Orange-2
54
aqi not available
60 
        Coachella Vly
60
aqi not available
71 
        E San Bernardino
95
aqi not available
        E San Fernando Vly
47
aqi not available
81 
        E San Gabriel V-1
57
aqi not available
71 
        E San Gabriel V-2
79
aqi not available
71 
        East Riverside CO
92
aqi not available
 
        Hemet/San Jacinto
61
aqi not available
43 
        Hesperia
92
aqi not available
32 
        Lake Elsinore
67
aqi not available
34 
        Metro Riverside CO
73
aqi not available
66 
        N Coastal Orange
54
aqi not available
64 
        NW Coastal LA
38
aqi not available
64 
        NW San Bernardino
92
aqi not available
83 
        Norco/Corona
70
aqi not available
66 
        North Orange CO
42
aqi not available
60 
        Perris Vly
70
aqi not available
43 
        Phelan
50
aqi not available
40 
        Pomona Walnut Vly
57
aqi not available
13 
        S Central LA CO
34
aqi not available
30 
        S San Gabriel Vly
73
aqi not available
 
        SW Coastal LA
30
aqi not available
64 
        SW San Bernardino
92
aqi not available
83 
        Saddleback Vly
45
aqi not available
60 
        San Gabriel Mts
79
aqi not available
71 
        Santa Clarita Vly
67
aqi not available
67 
        South Coastal LA
40
aqi not available
64 
        Southeast LA CO
46
aqi not available
60 
        Temecula Vly
64
aqi not available
43 
        Trona
50
aqi not available
40 
        Twentynine Palms
92
aqi not available
34 
        Victorville
50
aqi not available
56 
        W San Bernardino M
92
aqi not available
83 
        W San Fernando Vly
64
aqi not available
81 
        W San Gabriel Vly
50
aqi not available
64 
Mammoth Lakes
aqi not available
aqi not available
Markleeville
aqi not available
aqi not available
 
Mendocino County
Unhealthy for Sensitive Groups
Moderate
66 
Mono Lake
aqi not available
aqi not available
12 
Monterey Bay Area
        Carmel Valley
Moderate
Good
 
        Davenport
Good
Good
 
        Hollister
Moderate
Good
 
        King City
Moderate
Good
 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Moderate
Good
 
        Salinas
Good
Good
34 
        San Lorenzo Valley
Moderate
Moderate
 
        Santa Cruz
Good
Good
45 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
46 
Paradise
Moderate
aqi not available
43 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
29 
Quincy
aqi not available
aqi not available
32 
Red Bluff
aqi not available
aqi not available
16 
Redding
90
aqi not available
80 
Sacramento Area
        Arden Arcade-Del Paso Manor
108
99
93 
        Auburn
129
100
35 
        Colfax
129
100
46 
        Cool
126
100
32 
        Davis
80
71
46 
        Elk Grove
108
99
83 
        Folsom
108
99
87 
        Lincoln
129
100
 
        Natomas
108
99
 
        North Highlands
108
99
31 
        Placerville
126
100
64 
        Rio Vista
80
71
67 
        Roseville-Rocklin
129
100
102 
        Sacramento
108
99
59 
        Sloughhouse
108
99
87 
        Vacaville
80
71
37 
        Woodland
80
71
61 
San Diego Area
        San Diego Coast
Moderate
Good
55 
        San Diego Foothills
Moderate
Moderate
58 
        San Diego Mesa and Inland Valley
Moderate
Moderate
61 
San Francisco Area
        Concord
90
Moderate
 
        Fairfield
90
Moderate
 
        Fremont
66
Moderate
 
        Livermore
90
Moderate
 
        Napa
68
Moderate
 
        Oakland
76
Moderate
 
        Redwood City
66
Moderate
 
        San Francisco
76
Moderate
 
        San Jose
101
Moderate
 
        San Rafael
68
Moderate
 
        Santa Rosa
68
Moderate
 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
119
Unhealthy for Sensitive Groups
49 
        Fresno
115
Unhealthy for Sensitive Groups
88 
        Hanford
97
Moderate
43 
        Madera
87
Moderate
28 
        Merced
84
Moderate
112 
        Modesto
87
Moderate
91 
        Stockton
93
Moderate
98 
        Visalia
100
Moderate
56 
San Luis Obispo County
        Atascadero
50
37
46 
        Carrizo Plains
50
42
26 
        Morro Bay
45
40
31 
        Nipomo
45
36
57 
        Paso Robles
49
37
46 
        Red Hills
45
42
64 
        San Luis Obispo
49
36
37 
Santa Barbara County
        Carpinteria
Good
Good
 
        Gaviota Coast
Good
Good
28 
        Goleta
Good
Good
62 
        Lompoc
Good
Good
38 
        Paradise Road
Good
Good
15 
        Santa Barbara
Good
Good
64 
        Santa Maria
Good
Good
58 
        Santa Ynez
Good
Good
19 
Santa Rosa Rancheria
aqi not available
aqi not available
57 
Sequoia/Kings Canyon National Parks
54
aqi not available
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
11 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
30 
Ventura County Area
        Ojai
75
65
54 
        Oxnard
55
50
55 
        Piru
80
70
63 
        Simi Valley
90
80
54 
        Thousand Oaks
75
60
28 
Western Nevada County
90
90
46 
Willits
Unhealthy for Sensitive Groups
Moderate
 
Willows
aqi not available
aqi not available
35 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
44
aqi not available
57 
Yreka
aqi not available
aqi not available
154 
Yuba City/Marysville
90
aqi not available
106 
Yucca Vly
92
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.