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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_20200527_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
Wed
May 27
Thu
May 28
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
27 
Bishop Paiute Tribe
aqi not available
aqi not available
 
Brawley
108
101
54 
Calexico
108
101
59 
Chester
aqi not available
aqi not available
15 
Chico
Moderate
aqi not available
26 
Death Valley National Park
40
aqi not available
44 
El Centro
108
101
67 
Eureka
aqi not available
aqi not available
25 
Forest Ranch
aqi not available
aqi not available
 
Fort Bragg
aqi not available
aqi not available
20 
Great Basin Air District
aqi not available
aqi not available
27 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
30 
Imperial Valley
108
101
73 
Indio - Twenty Nine Palms Reservation
aqi not available
aqi not available
56 
Joshua Tree National Park
aqi not available
aqi not available
64 
La Grange
aqi not available
aqi not available
 
Lassen Volcanic National Park
45
aqi not available
24 
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
 
Los Angeles Area
        Antelope Vly
97
aqi not available
43 
        Anza Vly
67
aqi not available
52 
        Banning
136
aqi not available
67 
        Barstow
84
aqi not available
43 
        Big Bear Lake
140
aqi not available
 
        C San Bernardino
154
aqi not available
66 
        C San Bernardino M
187
aqi not available
35 
        Capistrano Vly
47
aqi not available
43 
        Central Coastal
44
aqi not available
43 
        Central LA CO
59
aqi not available
91 
        Central Orange
47
aqi not available
39 
        Coachella Vly
108
aqi not available
71 
        E San Bernardino
172
aqi not available
48 
        E San Fernando Vly
74
aqi not available
91 
        E San Gabriel Vly
112
aqi not available
68 
        East Riverside CO
51
aqi not available
 
        Hemet/San Jacinto
115
aqi not available
52 
        Hesperia
136
aqi not available
43 
        Lake Elsinore
93
aqi not available
45 
        Metro Riverside CO
129
aqi not available
67 
        N Coastal Orange
42
aqi not available
63 
        NW Coastal LA
63
aqi not available
63 
        NW San Bernardino
115
aqi not available
66 
        Norco/Corona
105
aqi not available
67 
        North Orange CO
50
aqi not available
39 
        Perris Vly
136
aqi not available
52 
        Phelan
112
aqi not available
46 
        Pomona Walnut Vly
58
aqi not available
21 
        S Central LA CO
59
aqi not available
19 
        S San Gabriel Vly
59
aqi not available
 
        SW Coastal LA
50
aqi not available
63 
        SW San Bernardino
97
aqi not available
66 
        Saddleback Vly
51
aqi not available
43 
        San Gabriel Mts
140
aqi not available
68 
        Santa Clarita Vly
154
aqi not available
50 
        South Coastal LA
46
aqi not available
63 
        Southeast LA CO
55
aqi not available
39 
        Temecula Vly
67
aqi not available
52 
        Trona
71
aqi not available
44 
        Twentynine Palms
101
aqi not available
43 
        Victorville
112
aqi not available
58 
        W San Bernardino M
164
aqi not available
66 
        W San Fernando Vly
97
aqi not available
91 
        W San Gabriel Vly
77
aqi not available
77 
Mammoth Lakes
aqi not available
aqi not available
15 
Markleeville
aqi not available
aqi not available
 
Mendocino County
aqi not available
aqi not available
 
Mono Lake
aqi not available
aqi not available
10 
Monterey Bay Area
        Carmel Valley
Good
aqi not available
 
        Davenport
Good
aqi not available
 
        Hollister
Good
aqi not available
 
        King City
Good
aqi not available
 
        Marina/Seaside
Good
aqi not available
 
        Monterey Peninsula
Good
aqi not available
 
        Pinnacles National Monument
46
aqi not available
 
        Salinas
Good
aqi not available
36 
        San Lorenzo Valley
Good
aqi not available
 
        Santa Cruz
Good
aqi not available
15 
        Scotts Valley
Good
aqi not available
 
        Watsonville
Good
aqi not available
 
Niland
108
101
51 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
25 
Paradise
Moderate
aqi not available
31 
Point Arena
aqi not available
aqi not available
20 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
38 
Quincy
aqi not available
aqi not available
 
Red Bluff
Good
Good
15 
Redding
aqi not available
aqi not available
18 
Sacramento Area
        Arden Arcade-Del Paso Manor
108
115
26 
        Auburn
119
122
25 
        Colfax
119
122
30 
        Cool
115
122
22 
        Davis
93
97
25 
        Elk Grove
108
115
35 
        Folsom
108
115
 
        Lincoln
119
122
24 
        Natomas
108
115
 
        North Highlands
108
115
29 
        Placerville
115
122
26 
        Rio Vista
93
97
23 
        Roseville-Rocklin
119
122
26 
        Sacramento
108
115
29 
        Sloughhouse
108
115
27 
        Vacaville
93
97
22 
        Woodland
93
97
39 
San Diego Area
        San Diego Coast
Moderate
aqi not available
42 
        San Diego Foothills
Unhealthy for Sensitive Groups
aqi not available
43 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
49 
San Francisco Area
        Concord
84
Moderate
33 
        Fairfield
84
Moderate
50 
        Fremont
54
Moderate
51 
        Livermore
84
Moderate
23 
        Napa
74
Moderate
48 
        Oakland
51
Moderate
59 
        Redwood City
54
Moderate
51 
        San Francisco
51
Moderate
55 
        San Jose
77
Moderate
43 
        San Rafael
74
Moderate
46 
        Santa Rosa
74
Moderate
16 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
119
aqi not available
56 
        Fresno
129
aqi not available
51 
        Hanford
101
aqi not available
18 
        Madera
112
aqi not available
25 
        Merced
97
aqi not available
52 
        Modesto
101
aqi not available
34 
        Stockton
80
aqi not available
27 
        Visalia
133
aqi not available
62 
San Luis Obispo County
        Atascadero
52
51
22 
        Carrizo Plains
61
53
29 
        Morro Bay
43
41
14 
        Nipomo
48
45
53 
        Paso Robles
52
52
28 
        Red Hills
64
55
31 
        San Luis Obispo
45
44
42 
Santa Barbara County
        Carpinteria
Good
Good
20 
        Gaviota Coast
Good
Good
20 
        Goleta
Good
Moderate
24 
        Lompoc
Good
Moderate
34 
        Paradise Road
Good
Good
26 
        Santa Barbara
Good
Moderate
25 
        Santa Maria
Good
Moderate
53 
        Santa Ynez
Good
Good
20 
Santa Rosa Rancheria
aqi not available
aqi not available
49 
Sequoia/Kings Canyon National Parks
49
aqi not available
42 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
12 
Truckee
aqi not available
aqi not available
21 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
26 
Ukiah
aqi not available
aqi not available
22 
Ventura County Area
        Ojai
80
70
25 
        Oxnard
50
60
26 
        Piru
100
90
51 
        Simi Valley
105
100
42 
        Thousand Oaks
80
85
40 
Western Nevada County
70
aqi not available
25 
Westmorland
108
101
73 
Willits
aqi not available
aqi not available
23 
Willows
aqi not available
aqi not available
16 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
44
aqi not available
31 
Yreka
aqi not available
aqi not available
18 
Yuba City/Marysville
77
90
33 
Yucca Vly
112
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.