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_20180719_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
Thu
Jul 19
Fri
Jul 20
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
51 
Bishop Paiute Tribe
aqi not available
aqi not available
37 
Chester
aqi not available
aqi not available
36 
Chico
aqi not available
aqi not available
57 
Death Valley National Park
50
aqi not available
50 
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
60 
Greeley Hill
aqi not available
aqi not available
 
Gridley
aqi not available
aqi not available
40 
Imperial Valley
aqi not available
aqi not available
39 
Joshua Tree National Park
aqi not available
aqi not available
42 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
77
aqi not available
34 
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
51 
Los Angeles Area
        Antelope Vly
132
aqi not available
31 
        Anza Vly
67
aqi not available
24 
        Banning
161
aqi not available
67 
        Barstow
53
aqi not available
31 
        Big Bear Lake
132
aqi not available
 
        C San Bernardino M
161
aqi not available
32 
        C San Bernardino-1
132
aqi not available
52 
        C San Bernardino-2
161
aqi not available
52 
        Capistrano Vly
55
aqi not available
22 
        Central Coastal
55
aqi not available
22 
        Central LA CO
57
aqi not available
61 
        Central Orange-1
53
aqi not available
34 
        Central Orange-2
53
aqi not available
34 
        Coachella Vly
68
aqi not available
29 
        E San Bernardino
161
aqi not available
10 
        E San Fernando Vly
68
aqi not available
61 
        E San Gabriel V-1
100
aqi not available
43 
        E San Gabriel V-2
132
aqi not available
43 
        East Riverside CO
55
aqi not available
 
        Hemet/San Jacinto
132
aqi not available
24 
        Hesperia
67
aqi not available
35 
        Lake Elsinore
132
aqi not available
20 
        Metro Riverside CO
161
aqi not available
43 
        N Coastal Orange
55
aqi not available
34 
        NW Coastal LA
46
aqi not available
34 
        NW San Bernardino
132
aqi not available
52 
        Norco/Corona
132
aqi not available
43 
        North Orange CO
57
aqi not available
34 
        Perris Vly
161
aqi not available
24 
        Phelan
132
aqi not available
51 
        Pomona Walnut Vly
100
aqi not available
11 
        S Central LA CO
57
aqi not available
17 
        S San Gabriel Vly
67
aqi not available
 
        SW Coastal LA
46
aqi not available
34 
        SW San Bernardino
100
aqi not available
52 
        Saddleback Vly
50
aqi not available
34 
        San Gabriel Mts
100
aqi not available
56 
        Santa Clarita Vly
132
aqi not available
56 
        South Coastal LA
42
aqi not available
34 
        Southeast LA CO
59
aqi not available
34 
        Temecula Vly
67
aqi not available
24 
        Trona
67
aqi not available
44 
        Twentynine Palms
100
aqi not available
31 
        Victorville
55
aqi not available
45 
        W San Bernardino M
132
aqi not available
52 
        W San Fernando Vly
68
aqi not available
61 
        W San Gabriel Vly
67
aqi not available
58 
Mammoth Lakes
aqi not available
aqi not available
34 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
23 
Mono Lake
aqi not available
aqi not available
30 
Monterey Bay Area
        Carmel Valley
Good
Good
13 
        Davenport
Good
Good
 
        Hollister
Good
Good
20 
        King City
Good
Good
22 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
11 
        Salinas
Good
Good
25 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
25 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
60 
Paradise
aqi not available
aqi not available
50 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
43 
Quincy
aqi not available
aqi not available
25 
Red Bluff
Moderate
aqi not available
34 
Redding
aqi not available
aqi not available
65 
Sacramento Area
        Arden Arcade-Del Paso Manor
108
101
25 
        Auburn
119
101
44 
        Colfax
119
101
44 
        Cool
122
108
40 
        Davis
67
61
28 
        Elk Grove
108
101
25 
        Folsom
108
101
28 
        Lincoln
119
101
 
        Natomas
108
101
 
        North Highlands
108
101
21 
        Placerville
122
108
74 
        Rio Vista
67
61
35 
        Roseville-Rocklin
119
101
46 
        Sacramento
108
101
29 
        Sloughhouse
108
101
21 
        Vacaville
67
61
21 
        Woodland
67
61
29 
San Diego Area
        San Diego Coast
Good
aqi not available
20 
        San Diego Foothills
Moderate
aqi not available
48 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
26 
San Francisco Area
        Concord
58
Moderate
55 
        Fairfield
58
Moderate
34 
        Fremont
46
Moderate
        Livermore
58
Moderate
37 
        Napa
27
Good
 
        Oakland
46
Moderate
62 
        Redwood City
46
Moderate
        San Francisco
46
Moderate
22 
        San Jose
51
Moderate
40 
        San Rafael
27
Good
16 
        Santa Rosa
27
Good
16 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
112
Unhealthy for Sensitive Groups
52 
        Fresno
108
Unhealthy for Sensitive Groups
48 
        Hanford
87
Moderate
39 
        Madera
84
Moderate
28 
        Merced
84
Moderate
53 
        Modesto
97
Moderate
33 
        Stockton
77
Moderate
47 
        Visalia
122
Unhealthy for Sensitive Groups
79 
San Luis Obispo County
        Atascadero
42
41
31 
        Carrizo Plains
54
51
25 
        Morro Bay
32
33
24 
        Nipomo
32
31
15 
        Paso Robles
44
43
31 
        Red Hills
51
51
44 
        San Luis Obispo
30
31
21 
Santa Barbara County
        Carpinteria
Good
aqi not available
 
        Gaviota Coast
Good
aqi not available
24 
        Goleta
Good
aqi not available
19 
        Lompoc
Good
aqi not available
19 
        Paradise Road
Good
aqi not available
14 
        Santa Barbara
Good
aqi not available
20 
        Santa Maria
Good
aqi not available
21 
        Santa Ynez
Good
aqi not available
16 
Santa Rosa Rancheria
aqi not available
aqi not available
57 
Sequoia/Kings Canyon National Parks
74
aqi not available
71 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
35 
Truckee
aqi not available
aqi not available
45 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
43 
Ventura County Area
        Ojai
55
55
33 
        Oxnard
40
40
20 
        Piru
60
60
54 
        Simi Valley
60
60
52 
        Thousand Oaks
50
50
33 
Western Nevada County
80
80
67 
Willits
aqi not available
aqi not available
 
Willows
Good
aqi not available
19 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
64
aqi not available
159 
Yreka
aqi not available
aqi not available
130 
Yuba City/Marysville
95
95
41 
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.