California
 
Data and Forecasts courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20170626_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
Mon
Jun 26
Tue
Jun 27
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
59 
Bishop Paiute Tribe
aqi not available
aqi not available
59 
Chester
aqi not available
aqi not available
 
Chico
Moderate
Good
62 
Death Valley National Park
50 
43 
40 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
53 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
13 
Imperial Valley
61 
103 
105 
Joshua Tree National Park
aqi not available
aqi not available
48 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
46 
44 
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
45 
Los Angeles Area
        Antelope Vly
100 
67 
45 
        Anza Vly
67 
67 
77 
        Banning
132 
132 
47 
        Barstow
67 
67 
 
        Big Bear Lake
161 
132 
 
        C San Bernardino M
187 
187 
97 
        C San Bernardino-1
187 
132 
129 
        C San Bernardino-2
187 
187 
129 
        Capistrano Vly
46 
50 
74 
        Central Coastal
46 
55 
74 
        Central LA CO
67 
63 
133 
        Central Orange-1
46 
50 
65 
        Central Orange-2
46 
53 
65 
        Coachella Vly
161 
132 
44 
        E San Bernardino
187 
187 
77 
        E San Fernando Vly
132 
100 
58 
        E San Gabriel V-1
161 
132 
166 
        E San Gabriel V-2
161 
132 
166 
        East Riverside CO
53 
50 
47 
        Hemet/San Jacinto
100 
100 
77 
        Hesperia
132 
100 
74 
        Lake Elsinore
161 
132 
51 
        Metro Riverside CO
161 
161 
105 
        N Coastal Orange
37 
55 
66 
        NW Coastal LA
46 
46 
133 
        NW San Bernardino
187 
161 
129 
        Norco/Corona
132 
100 
105 
        North Orange CO
67 
55 
65 
        Perris Vly
161 
161 
44 
        Phelan
161 
132 
47 
        Pomona Walnut Vly
132 
100 
115 
        S Central LA CO
37 
42 
33 
        S San Gabriel Vly
100 
67 
 
        SW Coastal LA
46 
38 
74 
        SW San Bernardino
161 
132 
129 
        Saddleback Vly
67 
46 
74 
        San Gabriel Mts
132 
100 
159 
        Santa Clarita Vly
161 
132 
38 
        South Coastal LA
46 
50 
66 
        Southeast LA CO
50 
61 
65 
        Temecula Vly
46 
57 
77 
        Trona
67 
46 
46 
        Twentynine Palms
132 
100 
 
        Victorville
53 
50 
43 
        W San Bernardino M
161 
132 
129 
        W San Fernando Vly
67 
67 
58 
        W San Gabriel Vly
161 
132 
151 
Mammoth Lakes
aqi not available
aqi not available
37 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
Good
30 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Good
Good
24 
        Davenport
Good
Good
 
        Hollister
Good
Good
25 
        King City
Good
Good
29 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Good
Good
31 
        Salinas
Good
Good
31 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
23 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
53 
Paradise
Moderate
Good
38 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
 
Quincy
aqi not available
aqi not available
30 
Red Bluff
aqi not available
aqi not available
 
Redding
aqi not available
aqi not available
48 
Sacramento Area
        Arden Arcade-Del Paso Manor
38 
46 
24 
        Auburn
47 
50 
 
        Colfax
47 
50 
31 
        Cool
48 
50 
37 
        Davis
34 
44 
 
        Elk Grove
38 
46 
33 
        Folsom
38 
46 
31 
        Lincoln
47 
50 
26 
        Natomas
38 
46 
 
        North Highlands
38 
46 
31 
        Placerville
48 
50 
37 
        Rio Vista
34 
44 
20 
        Roseville-Rocklin
47 
50 
27 
        Sacramento
38 
46 
25 
        Sloughhouse
38 
46 
33 
        Vacaville
34 
44 
25 
        Woodland
34 
44 
25 
San Diego Area
        San Diego Coast
Good
Good
33 
        San Diego Foothills
Unhealthy for Sensitive Groups
Moderate
140 
        San Diego Mesa and Inland Valley
Moderate
Moderate
66 
San Francisco Area
        Concord
42 
39 
26 
        Fairfield
42 
39 
26 
        Fremont
38 
33 
31 
        Livermore
42 
39 
24 
        Napa
42 
33 
24 
        Oakland
46 
35 
24 
        Redwood City
38 
33 
31 
        San Francisco
46 
35 
20 
        San Jose
38 
38 
36 
        San Rafael
42 
33 
19 
        Santa Rosa
42 
33 
22 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
100 
Moderate
74 
        Fresno
100 
Moderate
35 
        Hanford
74 
Moderate
46 
        Madera
58 
Moderate
31 
        Merced
48 
Good
28 
        Modesto
50 
Good
33 
        Stockton
45 
Good
31 
        Visalia
93 
Moderate
43 
San Luis Obispo County
        Atascadero
35 
37 
37 
        Carrizo Plains
45 
44 
32 
        Morro Bay
30 
29 
22 
        Nipomo
53 
58 
29 
        Paso Robles
38 
40 
37 
        Red Hills
41 
43 
31 
        San Luis Obispo
28 
28 
24 
Santa Barbara County
        Carpinteria
Good
Good
 
        Gaviota Coast
Good
Good
37 
        Goleta
Good
Good
33 
        Lompoc
Good
Good
27 
        Paradise Road
Good
Good
29 
        Santa Barbara
Good
Good
31 
        Santa Maria
Good
Good
31 
        Santa Ynez
Good
Good
35 
Santa Rosa Rancheria
aqi not available
aqi not available
46 
Sequoia/Kings Canyon National Parks
80 
90 
58 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
12 
Truckee
aqi not available
aqi not available
 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
44 
Ventura County Area
        Ojai
60 
55 
38 
        Oxnard
45 
45 
37 
        Piru
70 
70 
71 
        Simi Valley
100 
95 
43 
        Thousand Oaks
55 
55 
43 
Western Nevada County
100 
95 
42 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
44 
40 
54 
Yuba City/Marysville
Moderate
Good
28 
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.