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_20190716_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
Tue
Jul 16
Wed
Jul 17
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
31 
Bishop Paiute Tribe
aqi not available
aqi not available
22 
Brawley
91
68
28 
Calexico
91
68
46 
Chester
aqi not available
aqi not available
24 
Chico
Good
aqi not available
26 
Death Valley National Park
50
aqi not available
48 
El Centro
91
68
30 
Eureka
aqi not available
aqi not available
12 
Forest Ranch
aqi not available
aqi not available
 
Fort Bragg
aqi not available
aqi not available
13 
Great Basin Air District
aqi not available
aqi not available
55 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
40 
Imperial Valley
91
68
55 
Indio - Twenty Nine Palms Reservation
aqi not available
aqi not available
97 
Joshua Tree National Park
aqi not available
aqi not available
105 
La Grange
aqi not available
aqi not available
 
Lassen Volcanic National Park
35
aqi not available
27 
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
30 
Los Angeles Area
        Antelope Vly
141
aqi not available
40 
        Anza Vly
82
aqi not available
51 
        Banning
141
aqi not available
54 
        Barstow
101
aqi not available
42 
        Big Bear Lake
141
aqi not available
 
        C San Bernardino M
179
aqi not available
80 
        C San Bernardino-1
161
aqi not available
64 
        C San Bernardino-2
161
aqi not available
64 
        Capistrano Vly
46
aqi not available
32 
        Central Coastal
50
aqi not available
32 
        Central LA CO
65
aqi not available
57 
        Central Orange-1
52
aqi not available
49 
        Central Orange-2
52
aqi not available
49 
        Coachella Vly
108
aqi not available
108 
        E San Bernardino
169
aqi not available
51 
        E San Fernando Vly
73
aqi not available
52 
        E San Gabriel V-1
124
aqi not available
68 
        E San Gabriel V-2
124
aqi not available
68 
        East Riverside CO
101
aqi not available
 
        Hemet/San Jacinto
124
aqi not available
51 
        Hesperia
159
aqi not available
97 
        Lake Elsinore
98
aqi not available
32 
        Metro Riverside CO
161
aqi not available
62 
        N Coastal Orange
42
aqi not available
57 
        NW Coastal LA
78
aqi not available
57 
        NW San Bernardino
144
aqi not available
64 
        Norco/Corona
154
aqi not available
62 
        North Orange CO
57
aqi not available
49 
        Perris Vly
138
aqi not available
51 
        Phelan
138
aqi not available
58 
        Pomona Walnut Vly
79
aqi not available
20 
        S Central LA CO
74
aqi not available
        S San Gabriel Vly
92
aqi not available
 
        SW Coastal LA
85
aqi not available
57 
        SW San Bernardino
138
aqi not available
64 
        Saddleback Vly
57
aqi not available
49 
        San Gabriel Mts
108
aqi not available
68 
        Santa Clarita Vly
161
aqi not available
29 
        South Coastal LA
52
aqi not available
57 
        Southeast LA CO
65
aqi not available
49 
        Temecula Vly
98
aqi not available
51 
        Trona
60
aqi not available
45 
        Twentynine Palms
101
aqi not available
42 
        Victorville
141
aqi not available
49 
        W San Bernardino M
166
aqi not available
80 
        W San Fernando Vly
108
aqi not available
52 
        W San Gabriel Vly
118
aqi not available
56 
Mammoth Lakes
aqi not available
aqi not available
55 
Markleeville
aqi not available
aqi not available
 
Mendocino County
aqi not available
aqi not available
 
Mono Lake
aqi not available
aqi not available
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
Good
aqi not available
 
        Salinas
Good
aqi not available
13 
        San Lorenzo Valley
Good
aqi not available
 
        Santa Cruz
Good
aqi not available
12 
        Scotts Valley
Good
aqi not available
 
        Watsonville
Good
aqi not available
 
Niland
91
68
31 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
40 
Paradise
Good
aqi not available
37 
Point Arena
aqi not available
aqi not available
13 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
36 
Quincy
aqi not available
aqi not available
14 
Red Bluff
Good
aqi not available
Redding
aqi not available
aqi not available
43 
Sacramento Area
        Arden Arcade-Del Paso Manor
74
80
12 
        Auburn
84
90
31 
        Colfax
84
90
35 
        Cool
84
90
25 
        Davis
51
54
        Elk Grove
74
80
11 
        Folsom
74
80
15 
        Lincoln
84
90
15 
        Natomas
74
80
 
        North Highlands
74
80
14 
        Placerville
84
90
36 
        Rio Vista
51
54
        Roseville-Rocklin
84
90
14 
        Sacramento
74
80
12 
        Sloughhouse
74
80
13 
        Vacaville
51
54
19 
        Woodland
51
54
13 
San Diego Area
        San Diego Coast
Good
aqi not available
42 
        San Diego Foothills
Moderate
aqi not available
51 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
83 
San Francisco Area
        Concord
33
Good
17 
        Fairfield
33
Good
26 
        Fremont
28
Good
12 
        Livermore
33
Good
12 
        Napa
33
Good
13 
        Oakland
38
Moderate
21 
        Redwood City
28
Good
12 
        San Francisco
38
Moderate
15 
        San Jose
31
Good
25 
        San Rafael
33
Good
20 
        Santa Rosa
33
Good
13 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
58
aqi not available
48 
        Fresno
47
aqi not available
39 
        Hanford
45
aqi not available
35 
        Madera
46
aqi not available
29 
        Merced
45
aqi not available
25 
        Modesto
44
aqi not available
16 
        Stockton
41
aqi not available
15 
        Visalia
44
aqi not available
44 
San Luis Obispo County
        Atascadero
39
37
18 
        Carrizo Plains
46
43
20 
        Morro Bay
35
36
12 
        Nipomo
52
45
32 
        Paso Robles
39
39
18 
        Red Hills
47
45
20 
        San Luis Obispo
35
35
44 
Santa Barbara County
        Carpinteria
Good
aqi not available
11 
        Gaviota Coast
Good
aqi not available
31 
        Goleta
Good
aqi not available
34 
        Lompoc
Good
aqi not available
17 
        Paradise Road
Good
aqi not available
13 
        Santa Barbara
Good
aqi not available
35 
        Santa Maria
Good
aqi not available
22 
        Santa Ynez
Good
aqi not available
13 
Santa Rosa Rancheria
aqi not available
aqi not available
46 
Sequoia/Kings Canyon National Parks
71
aqi not available
49 
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
46 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
36 
Ukiah
aqi not available
aqi not available
13 
Ventura County Area
        Ojai
50
55
37 
        Oxnard
45
45
35 
        Piru
60
60
52 
        Simi Valley
60
60
43 
        Thousand Oaks
50
50
21 
Western Nevada County
60
65
13 
Westmorland
91
68
55 
Willits
aqi not available
aqi not available
13 
Willows
aqi not available
aqi not available
 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
46
aqi not available
54 
Yreka
aqi not available
aqi not available
15 
Yuba City/Marysville
Moderate
Moderate
17 
Yucca Vly
118
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.