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_20180716_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
Mon
Jul 16
Tue
Jul 17
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
93 
Bishop Paiute Tribe
aqi not available
aqi not available
28 
Chester
aqi not available
aqi not available
25 
Chico
Moderate
aqi not available
55 
Death Valley National Park
74
aqi not available
90 
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
93 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
43 
Imperial Valley
aqi not available
aqi not available
76 
Joshua Tree National Park
aqi not available
aqi not available
74 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
54
aqi not available
44 
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
36 
Los Angeles Area
        Antelope Vly
50
aqi not available
64 
        Anza Vly
67
aqi not available
24 
        Banning
132
aqi not available
48 
        Barstow
46
aqi not available
71 
        Big Bear Lake
100
aqi not available
 
        C San Bernardino M
161
aqi not available
80 
        C San Bernardino-1
100
aqi not available
58 
        C San Bernardino-2
132
aqi not available
58 
        Capistrano Vly
46
aqi not available
23 
        Central Coastal
46
aqi not available
23 
        Central LA CO
50
aqi not available
62 
        Central Orange-1
46
aqi not available
30 
        Central Orange-2
37
aqi not available
30 
        Coachella Vly
132
aqi not available
40 
        E San Bernardino
132
aqi not available
19 
        E San Fernando Vly
370
aqi not available
62 
        E San Gabriel V-1
233
aqi not available
56 
        E San Gabriel V-2
233
aqi not available
56 
        East Riverside CO
46
aqi not available
 
        Hemet/San Jacinto
100
aqi not available
24 
        Hesperia
67
aqi not available
50 
        Lake Elsinore
67
aqi not available
19 
        Metro Riverside CO
100
aqi not available
38 
        N Coastal Orange
37
aqi not available
51 
        NW Coastal LA
67
aqi not available
51 
        NW San Bernardino
200
aqi not available
58 
        Norco/Corona
100
aqi not available
30 
        North Orange CO
67
aqi not available
30 
        Perris Vly
100
aqi not available
24 
        Phelan
46
aqi not available
51 
        Pomona Walnut Vly
100
aqi not available
16 
        S Central LA CO
180
aqi not available
23 
        S San Gabriel Vly
400
aqi not available
 
        SW Coastal LA
100
aqi not available
51 
        SW San Bernardino
100
aqi not available
58 
        Saddleback Vly
67
aqi not available
30 
        San Gabriel Mts
100
aqi not available
56 
        Santa Clarita Vly
220
aqi not available
51 
        South Coastal LA
46
aqi not available
51 
        Southeast LA CO
53
aqi not available
30 
        Temecula Vly
50
aqi not available
24 
        Trona
46
aqi not available
47 
        Twentynine Palms
70
aqi not available
71 
        Victorville
46
aqi not available
50 
        W San Bernardino M
90
aqi not available
80 
        W San Fernando Vly
220
aqi not available
62 
        W San Gabriel Vly
120
aqi not available
54 
Mammoth Lakes
aqi not available
aqi not available
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
23 
Mono Lake
aqi not available
aqi not available
32 
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
40
aqi not available
22 
        Salinas
Good
aqi not available
22 
        San Lorenzo Valley
Good
aqi not available
 
        Santa Cruz
Good
aqi not available
 
        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
42 
Paradise
Moderate
aqi not available
45 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
35 
Quincy
aqi not available
aqi not available
26 
Red Bluff
aqi not available
aqi not available
31 
Redding
aqi not available
aqi not available
68 
Sacramento Area
        Arden Arcade-Del Paso Manor
101
105
42 
        Auburn
119
122
 
        Colfax
119
122
 
        Cool
115
119
30 
        Davis
77
84
33 
        Elk Grove
101
105
28 
        Folsom
101
105
27 
        Lincoln
119
122
 
        Natomas
101
105
 
        North Highlands
101
105
23 
        Placerville
115
119
43 
        Rio Vista
77
84
 
        Roseville-Rocklin
119
122
38 
        Sacramento
101
105
24 
        Sloughhouse
101
105
39 
        Vacaville
77
84
 
        Woodland
77
84
 
San Diego Area
        San Diego Coast
Good
aqi not available
28 
        San Diego Foothills
Moderate
aqi not available
38 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
18 
San Francisco Area
        Concord
67
Moderate
57 
        Fairfield
67
Moderate
39 
        Fremont
44
Good
17 
        Livermore
67
Moderate
32 
        Napa
43
Good
 
        Oakland
53
Moderate
41 
        Redwood City
44
Good
17 
        San Francisco
53
Moderate
39 
        San Jose
74
Moderate
19 
        San Rafael
43
Good
34 
        Santa Rosa
43
Good
23 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
100
Moderate
40 
        Fresno
87
Moderate
41 
        Hanford
67
Moderate
42 
        Madera
64
Moderate
29 
        Merced
64
Moderate
43 
        Modesto
58
Moderate
28 
        Stockton
48
Good
34 
        Visalia
97
Moderate
45 
San Luis Obispo County
        Atascadero
48
49
25 
        Carrizo Plains
50
49
31 
        Morro Bay
33
34
23 
        Nipomo
40
41
37 
        Paso Robles
46
49
25 
        Red Hills
50
49
31 
        San Luis Obispo
33
35
24 
Santa Barbara County
        Carpinteria
Good
aqi not available
        Gaviota Coast
Good
aqi not available
21 
        Goleta
Good
aqi not available
28 
        Lompoc
Good
aqi not available
23 
        Paradise Road
Good
aqi not available
19 
        Santa Barbara
Good
aqi not available
22 
        Santa Maria
Good
aqi not available
20 
        Santa Ynez
Good
aqi not available
19 
Santa Rosa Rancheria
aqi not available
aqi not available
49 
Sequoia/Kings Canyon National Parks
71
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
25 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
31 
Ventura County Area
        Ojai
80
85
42 
        Oxnard
55
60
17 
        Piru
90
90
40 
        Simi Valley
90
95
40 
        Thousand Oaks
70
70
35 
Western Nevada County
90
90
23 
Willits
aqi not available
aqi not available
 
Willows
Good
aqi not available
26 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
44
aqi not available
163 
Yreka
aqi not available
aqi not available
38 
Yuba City/Marysville
80
aqi not available
50 
Yucca Vly
67
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.