California
 
Data and Forecasts courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20170728_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
Jul 28
Sat
Jul 29
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
27 
Bishop Paiute Tribe
aqi not available
aqi not available
18 
Chester
aqi not available
aqi not available
 
Chico
Moderate
Moderate
52 
Death Valley National Park
aqi not available
aqi not available
46 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
31 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Good
Good
45 
Imperial Valley
aqi not available
aqi not available
104 
Joshua Tree National Park
aqi not available
aqi not available
41 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
aqi not available
aqi not available
29 
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
19 
Los Angeles Area
        Antelope Vly
67 
aqi not available
54 
        Anza Vly
53 
aqi not available
61 
        Banning
100 
aqi not available
58 
        Barstow
50 
aqi not available
28 
        Big Bear Lake
100 
aqi not available
 
        C San Bernardino M
161 
aqi not available
32 
        C San Bernardino-1
100 
aqi not available
71 
        C San Bernardino-2
132 
aqi not available
71 
        Capistrano Vly
50 
aqi not available
20 
        Central Coastal
42 
aqi not available
20 
        Central LA CO
55 
aqi not available
78 
        Central Orange-1
50 
aqi not available
45 
        Central Orange-2
42 
aqi not available
45 
        Coachella Vly
100 
aqi not available
124 
        E San Bernardino
161 
aqi not available
19 
        E San Fernando Vly
46 
aqi not available
78 
        E San Gabriel V-1
66 
aqi not available
54 
        E San Gabriel V-2
59 
aqi not available
54 
        East Riverside CO
50 
aqi not available
 
        Hemet/San Jacinto
67 
aqi not available
61 
        Hesperia
67 
aqi not available
40 
        Lake Elsinore
100 
aqi not available
52 
        Metro Riverside CO
132 
aqi not available
74 
        N Coastal Orange
38 
aqi not available
51 
        NW Coastal LA
46 
aqi not available
51 
        NW San Bernardino
132 
aqi not available
71 
        Norco/Corona
67 
aqi not available
74 
        North Orange CO
57 
aqi not available
45 
        Perris Vly
132 
aqi not available
61 
        Phelan
67 
aqi not available
44 
        Pomona Walnut Vly
67 
aqi not available
10 
        S Central LA CO
33 
aqi not available
15 
        S San Gabriel Vly
46 
aqi not available
 
        SW Coastal LA
37 
aqi not available
51 
        SW San Bernardino
100 
aqi not available
71 
        Saddleback Vly
46 
aqi not available
45 
        San Gabriel Mts
68 
aqi not available
58 
        Santa Clarita Vly
100 
aqi not available
58 
        South Coastal LA
38 
aqi not available
51 
        Southeast LA CO
57 
aqi not available
45 
        Temecula Vly
67 
aqi not available
61 
        Trona
50 
aqi not available
39 
        Twentynine Palms
67 
aqi not available
28 
        Victorville
50 
aqi not available
15 
        W San Bernardino M
100 
aqi not available
71 
        W San Fernando Vly
67 
aqi not available
78 
        W San Gabriel Vly
66 
aqi not available
75 
Mammoth Lakes
aqi not available
aqi not available
13 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
40 
Mono Lake
aqi not available
aqi not available
11 
Monterey Bay Area
        Carmel Valley
Good
Good
        Davenport
Good
Good
 
        Hollister
Good
Good
25 
        King City
Moderate
Moderate
17 
        Marina/Seaside
Good
Good
 
        Monterey Peninsula
Good
Good
 
        Pinnacles National Monument
Moderate
Moderate
25 
        Salinas
Good
Good
25 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
14 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
31 
Paradise
Moderate
Moderate
44 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
 
Quincy
aqi not available
aqi not available
28 
Red Bluff
aqi not available
aqi not available
 
Redding
80 
aqi not available
63 
Sacramento Area
        Arden Arcade-Del Paso Manor
101 
108 
47 
        Auburn
112 
112 
39 
        Colfax
112 
112 
34 
        Cool
108 
112 
31 
        Davis
64 
77 
48 
        Elk Grove
101 
108 
29 
        Folsom
101 
108 
27 
        Lincoln
112 
112 
51 
        Natomas
101 
108 
 
        North Highlands
101 
108 
16 
        Placerville
108 
112 
42 
        Rio Vista
64 
77 
 
        Roseville-Rocklin
112 
112 
45 
        Sacramento
101 
108 
30 
        Sloughhouse
101 
108 
46 
        Vacaville
64 
77 
38 
        Woodland
64 
77 
49 
San Diego Area
        San Diego Coast
Good
aqi not available
27 
        San Diego Foothills
Moderate
aqi not available
34 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
58 
San Francisco Area
        Concord
46 
Moderate
58 
        Fairfield
46 
Moderate
15 
        Fremont
37 
Good
39 
        Livermore
46 
Moderate
43 
        Napa
38 
Good
52 
        Oakland
43 
Moderate
54 
        Redwood City
37 
Good
39 
        San Francisco
43 
Moderate
33 
        San Jose
46 
Moderate
49 
        San Rafael
38 
Good
43 
        Santa Rosa
38 
Good
11 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
140 
Unhealthy for Sensitive Groups
32 
        Fresno
129 
Unhealthy for Sensitive Groups
18 
        Hanford
97 
Moderate
59 
        Madera
97 
Moderate
15 
        Merced
100 
Moderate
60 
        Modesto
100 
Moderate
36 
        Stockton
84 
Moderate
55 
        Visalia
97 
Moderate
64 
San Luis Obispo County
        Atascadero
32 
35 
23 
        Carrizo Plains
54 
59 
31 
        Morro Bay
26 
30 
13 
        Nipomo
42 
35 
37 
        Paso Robles
40 
42 
23 
        Red Hills
53 
58 
44 
        San Luis Obispo
29 
33 
13 
Santa Barbara County
        Carpinteria
Good
aqi not available
13 
        Gaviota Coast
Good
aqi not available
20 
        Goleta
Good
aqi not available
26 
        Lompoc
Good
aqi not available
19 
        Paradise Road
Good
aqi not available
10 
        Santa Barbara
Good
aqi not available
22 
        Santa Maria
Good
aqi not available
13 
        Santa Ynez
Good
aqi not available
11 
Santa Rosa Rancheria
aqi not available
aqi not available
76 
Sequoia/Kings Canyon National Parks
aqi not available
aqi not available
65 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
48 
Truckee
aqi not available
aqi not available
54 
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
45 
50 
55 
        Piru
50 
50 
25 
        Simi Valley
50 
55 
46 
        Thousand Oaks
50 
50 
46 
Western Nevada County
140 
140 
112 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
aqi not available
aqi not available
43 
Yuba City/Marysville
Moderate
aqi not available
56 
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.