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
77 
Bishop Paiute Tribe
aqi not available
aqi not available
44 
Chester
aqi not available
aqi not available
Chico
Moderate
Good
44 
Death Valley National Park
44
47
80 
Forest Ranch
aqi not available
aqi not available
 
Fort Bragg
aqi not available
aqi not available
29 
Great Basin Air District
aqi not available
aqi not available
77 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
35 
Imperial Valley
105
97
93 
Joshua Tree National Park
aqi not available
aqi not available
119 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
48
39
45 
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
15 
Los Angeles Area
        Antelope Vly
100
100
119 
        Anza Vly
67
67
197 
        Banning
161
132
195 
        Barstow
67
67
90 
        Big Bear Lake
132
100
 
        C San Bernardino M
205
205
233 
        C San Bernardino-1
161
161
230 
        C San Bernardino-2
161
132
230 
        Capistrano Vly
50
59
119 
        Central Coastal
50
55
119 
        Central LA CO
70
68
177 
        Central Orange-1
55
67
84 
        Central Orange-2
55
57
84 
        Coachella Vly
132
161
169 
        E San Bernardino
187
161
220 
        E San Fernando Vly
67
100
177 
        E San Gabriel V-1
132
100
207 
        E San Gabriel V-2
132
132
207 
        East Riverside CO
57
50
 
        Hemet/San Jacinto
100
132
207 
        Hesperia
100
100
177 
        Lake Elsinore
132
161
197 
        Metro Riverside CO
161
132
203 
        N Coastal Orange
50
55
43 
        NW Coastal LA
67
67
47 
        NW San Bernardino
161
161
212 
        Norco/Corona
100
132
203 
        North Orange CO
67
67
108 
        Perris Vly
161
132
207 
        Phelan
132
132
202 
        Pomona Walnut Vly
100
72
140 
        S Central LA CO
55
59
46 
        S San Gabriel Vly
67
132
 
        SW Coastal LA
67
67
47 
        SW San Bernardino
132
132
212 
        Saddleback Vly
67
67
119 
        San Gabriel Mts
100
132
207 
        Santa Clarita Vly
161
132
206 
        South Coastal LA
55
53
44 
        Southeast LA CO
67
67
84 
        Temecula Vly
100
66
197 
        Trona
67
67
90 
        Twentynine Palms
132
100
90 
        Victorville
57
50
143 
        W San Bernardino M
161
132
233 
        W San Fernando Vly
132
100
177 
        W San Gabriel Vly
74
68
112 
Mammoth Lakes
aqi not available
aqi not available
13 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
29 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
54 
        Davenport
Good
Good
 
        Hollister
Moderate
Moderate
45 
        King City
Moderate
Moderate
55 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Moderate
Moderate
58 
        Salinas
Good
Good
58 
        San Lorenzo Valley
Moderate
Moderate
 
        Santa Cruz
Good
Good
48 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
21 
Paradise
Unhealthy for Sensitive Groups
Unhealthy for Sensitive Groups
80 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
 
Quincy
aqi not available
aqi not available
Red Bluff
Good
Good
46 
Redding
35
40
56 
Sacramento Area
        Arden Arcade-Del Paso Manor
105
61
58 
        Auburn
108
71
87 
        Colfax
108
71
71 
        Cool
105
71
80 
        Davis
67
50
80 
        Elk Grove
105
61
100 
        Folsom
105
61
74 
        Lincoln
108
71
 
        Natomas
105
61
 
        North Highlands
105
61
64 
        Placerville
105
71
80 
        Rio Vista
67
50
43 
        Roseville-Rocklin
108
71
46 
        Sacramento
105
61
67 
        Sloughhouse
105
61
74 
        Vacaville
67
50
77 
        Woodland
67
50
67 
San Diego Area
        San Diego Coast
Good
Moderate
45 
        San Diego Foothills
Unhealthy for Sensitive Groups
Unhealthy for Sensitive Groups
133 
        San Diego Mesa and Inland Valley
Moderate
Moderate
54 
San Francisco Area
        Concord
101
115
50 
        Fairfield
101
115
90 
        Fremont
84
87
57 
        Livermore
101
115
133 
        Napa
51
67
 
        Oakland
55
77
57 
        Redwood City
84
87
57 
        San Francisco
55
77
 
        San Jose
104
112
77 
        San Rafael
51
67
42 
        Santa Rosa
51
67
30 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
136
150
119 
        Fresno
119
150
129 
        Hanford
115
108
90 
        Madera
100
100
105 
        Merced
58
61
67 
        Modesto
84
100
97 
        Stockton
67
77
84 
        Visalia
126
140
119 
San Luis Obispo County
        Atascadero
71
74
58 
        Carrizo Plains
74
79
64 
        Morro Bay
34
35
24 
        Nipomo
49
40
40 
        Paso Robles
72
74
80 
        Red Hills
70
74
64 
        San Luis Obispo
47
49
40 
Santa Barbara County
        Carpinteria
Good
Good
37 
        Gaviota Coast
Good
Good
31 
        Goleta
Good
Good
35 
        Lompoc
Good
Good
54 
        Paradise Road
Good
Good
45 
        Santa Barbara
Good
Good
40 
        Santa Maria
Good
Good
53 
        Santa Ynez
Good
Good
33 
Santa Rosa Rancheria
aqi not available
aqi not available
84 
Sequoia/Kings Canyon National Parks
90
108
147 
South Lake Tahoe
aqi not available
aqi not available
11 
Tahoe City area
aqi not available
aqi not available
Truckee
aqi not available
aqi not available
13 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
77 
Ventura County Area
        Ojai
80
55
46 
        Oxnard
70
55
37 
        Piru
80
60
50 
        Simi Valley
80
70
71 
        Thousand Oaks
80
70
43 
Western Nevada County
65
65
48 
Willits
aqi not available
aqi not available
 
Willows
Good
Good
54 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
45
49
54 
Yreka
aqi not available
aqi not available
36 
Yuba City/Marysville
74
48
64 
Yucca Vly
100
100
 
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.