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_20180622_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
Fri
Jun 22
Sat
Jun 23
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
39 
Bishop Paiute Tribe
aqi not available
aqi not available
11 
Chester
aqi not available
aqi not available
Chico
Moderate
aqi not available
34 
Death Valley National Park
44
aqi not available
48 
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
39 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
38 
Imperial Valley
105
51
53 
Joshua Tree National Park
aqi not available
aqi not available
133 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
48
aqi not available
32 
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
23 
Los Angeles Area
        Antelope Vly
100
aqi not available
90 
        Anza Vly
67
aqi not available
58 
        Banning
161
aqi not available
83 
        Barstow
67
aqi not available
67 
        Big Bear Lake
132
aqi not available
 
        C San Bernardino M
205
aqi not available
36 
        C San Bernardino-1
161
aqi not available
94 
        C San Bernardino-2
161
aqi not available
94 
        Capistrano Vly
50
aqi not available
41 
        Central Coastal
50
aqi not available
41 
        Central LA CO
70
aqi not available
92 
        Central Orange-1
55
aqi not available
55 
        Central Orange-2
55
aqi not available
55 
        Coachella Vly
132
aqi not available
112 
        E San Bernardino
187
aqi not available
19 
        E San Fernando Vly
67
aqi not available
90 
        E San Gabriel V-1
132
aqi not available
88 
        E San Gabriel V-2
132
aqi not available
88 
        East Riverside CO
57
aqi not available
 
        Hemet/San Jacinto
100
aqi not available
58 
        Hesperia
100
aqi not available
42 
        Lake Elsinore
132
aqi not available
30 
        Metro Riverside CO
161
aqi not available
86 
        N Coastal Orange
50
aqi not available
52 
        NW Coastal LA
67
aqi not available
52 
        NW San Bernardino
161
aqi not available
94 
        Norco/Corona
100
aqi not available
86 
        North Orange CO
67
aqi not available
55 
        Perris Vly
161
aqi not available
58 
        Phelan
132
aqi not available
49 
        Pomona Walnut Vly
100
aqi not available
26 
        S Central LA CO
55
aqi not available
32 
        S San Gabriel Vly
67
aqi not available
 
        SW Coastal LA
67
aqi not available
52 
        SW San Bernardino
132
aqi not available
94 
        Saddleback Vly
67
aqi not available
55 
        San Gabriel Mts
100
aqi not available
88 
        Santa Clarita Vly
161
aqi not available
83 
        South Coastal LA
55
aqi not available
52 
        Southeast LA CO
67
aqi not available
55 
        Temecula Vly
100
aqi not available
58 
        Trona
67
aqi not available
58 
        Twentynine Palms
132
aqi not available
67 
        Victorville
57
aqi not available
77 
        W San Bernardino M
161
aqi not available
94 
        W San Fernando Vly
132
aqi not available
90 
        W San Gabriel Vly
74
aqi not available
92 
Mammoth Lakes
aqi not available
aqi not available
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
18 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
aqi not available
18 
        Davenport
Good
aqi not available
 
        Hollister
Moderate
aqi not available
34 
        King City
Moderate
aqi not available
20 
        Marina/Seaside
Good
aqi not available
 
        Monterey Peninsula
Good
aqi not available
 
        Pinnacles National Monument
Moderate
aqi not available
30 
        Salinas
Good
aqi not available
34 
        San Lorenzo Valley
Moderate
aqi not available
 
        Santa Cruz
Good
aqi not available
29 
        Scotts Valley
Good
aqi not available
 
        Watsonville
Good
aqi not available
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
23 
Paradise
Unhealthy for Sensitive Groups
aqi not available
64 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
32 
Quincy
aqi not available
aqi not available
16 
Red Bluff
Good
aqi not available
26 
Redding
aqi not available
aqi not available
29 
Sacramento Area
        Arden Arcade-Del Paso Manor
105
67
61 
        Auburn
108
74
41 
        Colfax
108
74
44 
        Cool
105
71
38 
        Davis
67
50
58 
        Elk Grove
105
67
12 
        Folsom
105
67
38 
        Lincoln
108
74
 
        Natomas
105
67
 
        North Highlands
105
67
21 
        Placerville
105
71
46 
        Rio Vista
67
50
44 
        Roseville-Rocklin
108
74
41 
        Sacramento
105
67
26 
        Sloughhouse
105
67
36 
        Vacaville
67
50
23 
        Woodland
67
50
35 
San Diego Area
        San Diego Coast
Good
aqi not available
42 
        San Diego Foothills
Unhealthy for Sensitive Groups
aqi not available
21 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
47 
San Francisco Area
        Concord
101
104
56 
        Fairfield
101
104
42 
        Fremont
84
87
35 
        Livermore
101
104
35 
        Napa
51
67
 
        Oakland
55
77
46 
        Redwood City
84
87
35 
        San Francisco
55
77
29 
        San Jose
104
112
26 
        San Rafael
51
67
26 
        Santa Rosa
51
67
28 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
136
Unhealthy for Sensitive Groups
40 
        Fresno
119
Unhealthy for Sensitive Groups
44 
        Hanford
115
Unhealthy for Sensitive Groups
40 
        Madera
100
Moderate
18 
        Merced
58
Moderate
34 
        Modesto
84
Moderate
47 
        Stockton
67
Moderate
43 
        Visalia
126
Unhealthy for Sensitive Groups
44 
San Luis Obispo County
        Atascadero
53
49
43 
        Carrizo Plains
67
50
42 
        Morro Bay
34
35
22 
        Nipomo
50
49
26 
        Paso Robles
58
50
43 
        Red Hills
57
50
61 
        San Luis Obispo
47
46
21 
Santa Barbara County
        Carpinteria
Good
aqi not available
30 
        Gaviota Coast
Good
aqi not available
21 
        Goleta
Good
aqi not available
41 
        Lompoc
Good
aqi not available
37 
        Paradise Road
Good
aqi not available
16 
        Santa Barbara
Good
aqi not available
28 
        Santa Maria
Good
aqi not available
23 
        Santa Ynez
Good
aqi not available
15 
Santa Rosa Rancheria
aqi not available
aqi not available
35 
Sequoia/Kings Canyon National Parks
90
aqi not available
74 
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
48 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
33 
Ventura County Area
        Ojai
80
55
40 
        Oxnard
70
55
30 
        Piru
80
60
37 
        Simi Valley
80
70
52 
        Thousand Oaks
80
70
39 
Western Nevada County
80
90
54 
Willits
aqi not available
aqi not available
 
Willows
Good
aqi not available
23 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
45
aqi not available
45 
Yreka
aqi not available
aqi not available
23 
Yuba City/Marysville
74
aqi not available
52 
Yucca Vly
100
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.