California
 
Data and Forecasts courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20170623_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.
 - 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 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
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 23
Sat
Jun 24
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
72 
Bishop Paiute Tribe
aqi not available
aqi not available
28 
Chester
aqi not available
aqi not available
 
Chico
Good
aqi not available
59 
Death Valley National Park
44 
aqi not available
43 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
72 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
aqi not available
47 
Imperial Valley
105 
133 
74 
Joshua Tree National Park
aqi not available
aqi not available
67 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
36 
aqi not available
30 
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
100 
aqi not available
58 
        Anza Vly
67 
aqi not available
60 
        Banning
100 
aqi not available
61 
        Barstow
46 
aqi not available
11 
        Big Bear Lake
161 
aqi not available
 
        C San Bernardino M
205 
aqi not available
27 
        C San Bernardino-1
132 
aqi not available
80 
        C San Bernardino-2
187 
aqi not available
80 
        Capistrano Vly
50 
aqi not available
19 
        Central Coastal
42 
aqi not available
27 
        Central LA CO
59 
aqi not available
87 
        Central Orange-1
63 
aqi not available
64 
        Central Orange-2
53 
aqi not available
64 
        Coachella Vly
100 
aqi not available
46 
        E San Bernardino
187 
aqi not available
12 
        E San Fernando Vly
67 
aqi not available
87 
        E San Gabriel V-1
100 
aqi not available
72 
        E San Gabriel V-2
132 
aqi not available
72 
        East Riverside CO
46 
aqi not available
51 
        Hemet/San Jacinto
100 
aqi not available
60 
        Hesperia
100 
aqi not available
30 
        Lake Elsinore
132 
aqi not available
59 
        Metro Riverside CO
161 
aqi not available
94 
        N Coastal Orange
38 
aqi not available
64 
        NW Coastal LA
50 
aqi not available
64 
        NW San Bernardino
161 
aqi not available
80 
        Norco/Corona
132 
aqi not available
94 
        North Orange CO
57 
aqi not available
64 
        Perris Vly
161 
aqi not available
        Phelan
100 
aqi not available
50 
        Pomona Walnut Vly
67 
aqi not available
        S Central LA CO
59 
aqi not available
15 
        S San Gabriel Vly
67 
aqi not available
 
        SW Coastal LA
37 
aqi not available
64 
        SW San Bernardino
132 
aqi not available
80 
        Saddleback Vly
100 
aqi not available
64 
        San Gabriel Mts
132 
aqi not available
72 
        Santa Clarita Vly
161 
aqi not available
68 
        South Coastal LA
68 
aqi not available
64 
        Southeast LA CO
59 
aqi not available
64 
        Temecula Vly
67 
aqi not available
60 
        Trona
67 
aqi not available
40 
        Twentynine Palms
100 
aqi not available
11 
        Victorville
46 
aqi not available
17 
        W San Bernardino M
161 
aqi not available
80 
        W San Fernando Vly
67 
aqi not available
87 
        W San Gabriel Vly
100 
aqi not available
84 
Mammoth Lakes
aqi not available
aqi not available
19 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
20 
Mono Lake
aqi not available
aqi not available
13 
Monterey Bay Area
        Carmel Valley
Good
Good
18 
        Davenport
Good
Good
 
        Hollister
Good
Good
19 
        King City
Good
Good
26 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
        Salinas
Good
Good
26 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
26 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
36 
Paradise
Good
aqi not available
39 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
 
Quincy
aqi not available
aqi not available
31 
Red Bluff
aqi not available
aqi not available
 
Redding
39 
aqi not available
47 
Sacramento Area
        Arden Arcade-Del Paso Manor
119 
122 
49 
        Auburn
119 
122 
30 
        Colfax
119 
122 
31 
        Cool
126 
122 
24 
        Davis
80 
93 
44 
        Elk Grove
119 
122 
48 
        Folsom
119 
122 
33 
        Lincoln
119 
122 
55 
        Natomas
119 
122 
 
        North Highlands
119 
122 
26 
        Placerville
126 
122 
48 
        Rio Vista
80 
93 
37 
        Roseville-Rocklin
119 
122 
25 
        Sacramento
119 
122 
49 
        Sloughhouse
119 
122 
48 
        Vacaville
80 
93 
26 
        Woodland
80 
93 
43 
San Diego Area
        San Diego Coast
Good
aqi not available
26 
        San Diego Foothills
Moderate
aqi not available
37 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
52 
San Francisco Area
        Concord
101 
Moderate
30 
        Fairfield
101 
Moderate
23 
        Fremont
57 
Good
18 
        Livermore
101 
Moderate
39 
        Napa
57 
Good
51 
        Oakland
68 
Moderate
20 
        Redwood City
57 
Good
18 
        San Francisco
68 
Moderate
19 
        San Jose
90 
Moderate
31 
        San Rafael
57 
Good
20 
        Santa Rosa
57 
Good
19 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
136 
Unhealthy for Sensitive Groups
49 
        Fresno
147 
Unhealthy for Sensitive Groups
19 
        Hanford
100 
Moderate
56 
        Madera
112 
Unhealthy for Sensitive Groups
14 
        Merced
97 
Moderate
39 
        Modesto
100 
Moderate
36 
        Stockton
97 
Moderate
34 
        Visalia
143 
Unhealthy for Sensitive Groups
44 
San Luis Obispo County
        Atascadero
48 
44 
11 
        Carrizo Plains
89 
54 
23 
        Morro Bay
38 
37 
19 
        Nipomo
36 
59 
21 
        Paso Robles
47 
45 
20 
        Red Hills
61 
56 
42 
        San Luis Obispo
40 
39 
22 
Santa Barbara County
        Carpinteria
Good
aqi not available
12 
        Gaviota Coast
Good
aqi not available
22 
        Goleta
Good
aqi not available
19 
        Lompoc
Good
aqi not available
27 
        Paradise Road
Good
aqi not available
        Santa Barbara
Good
aqi not available
31 
        Santa Maria
Good
aqi not available
21 
        Santa Ynez
Good
aqi not available
14 
Santa Rosa Rancheria
aqi not available
aqi not available
57 
Sequoia/Kings Canyon National Parks
119 
aqi not available
54 
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
 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
37 
Ventura County Area
        Ojai
70 
65 
43 
        Oxnard
45 
40 
25 
        Piru
75 
75 
18 
        Simi Valley
95 
90 
69 
        Thousand Oaks
50 
50 
53 
Western Nevada County
100 
100 
90 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
44 
aqi not available
43 
Yuba City/Marysville
Moderate
Unhealthy for Sensitive Groups
48 
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.