California
 
Data courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20160730_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: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500) Action 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
Sat
Jul 30
Sun
Jul 31
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
40 
Bishop Paiute Tribe
aqi not available
aqi not available
39 
Chester
aqi not available
aqi not available
45 
Chico
Unhealthy for Sensitive Groups
aqi not available
59 
Death Valley National Park
87 
aqi not available
61 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
40 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Moderate
aqi not available
40 
Imperial Valley
48 
46 
108 
Joshua Tree National Park
aqi not available
aqi not available
50 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
71 
aqi not available
 
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 
100 
108 
        Anza Vly
67 
67 
58 
        Banning
132 
161 
83 
        Barstow
67 
100 
47 
        Big Bear Lake
100 
67 
 
        C San Bernardino M
161 
161 
56 
        C San Bernardino-1
100 
161 
71 
        C San Bernardino-2
161 
161 
71 
        Capistrano Vly
46 
50 
20 
        Central Coastal
46 
46 
22 
        Central LA CO
53 
55 
70 
        Central Orange-1
46 
67 
34 
        Central Orange-2
67 
50 
34 
        Coachella Vly
132 
132 
64 
        E San Bernardino
161 
161 
10 
        E San Fernando Vly
100 
59 
70 
        E San Gabriel V-1
100 
100 
31 
        E San Gabriel V-2
100 
132 
31 
        East Riverside CO
67 
132 
45 
        Hemet/San Jacinto
132 
100 
58 
        Hesperia
100 
132 
80 
        Lake Elsinore
132 
132 
52 
        Metro Riverside CO
100 
132 
57 
        N Coastal Orange
38 
50 
22 
        NW Coastal LA
67 
50 
30 
        NW San Bernardino
132 
132 
71 
        Norco/Corona
100 
132 
56 
        North Orange CO
50 
67 
34 
        Perris Vly
67 
161 
22 
        Phelan
67 
132 
47 
        Pomona Walnut Vly
70 
67 
10 
        S Central LA CO
53 
53 
18 
        S San Gabriel Vly
67 
53 
17 
        SW Coastal LA
46 
50 
30 
        SW San Bernardino
132 
132 
71 
        Saddleback Vly
46 
67 
34 
        San Gabriel Mts
100 
132 
66 
        Santa Clarita Vly
132 
161 
66 
        South Coastal LA
67 
50 
12 
        Southeast LA CO
67 
53 
34 
        Temecula Vly
67 
67 
58 
        Trona
67 
67 
74 
        Twentynine Palms
67 
67 
47 
        Victorville
67 
132 
61 
        W San Bernardino M
67 
132 
71 
        W San Fernando Vly
100 
100 
70 
        W San Gabriel Vly
67 
67 
51 
Mammoth Lakes
aqi not available
aqi not available
24 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Moderate
Moderate
22 
        Davenport
Good
Good
 
        Hollister
Moderate
Moderate
15 
        King City
Moderate
Moderate
14 
        Marina/Seaside
Moderate
Moderate
 
        Monterey Peninsula
Moderate
Moderate
 
        Pinnacles National Monument
Moderate
Good
        Salinas
Moderate
Good
22 
        San Lorenzo Valley
Good
Good
 
        Santa Cruz
Good
Good
13 
        Scotts Valley
Good
Good
 
        Watsonville
Good
Good
 
Oroville
aqi not available
aqi not available
 
Owens Lake
aqi not available
aqi not available
36 
Paradise
Unhealthy for Sensitive Groups
aqi not available
80 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
37 
Quincy
aqi not available
aqi not available
40 
Red Bluff
aqi not available
aqi not available
 
Redding
aqi not available
aqi not available
57 
Sacramento Area
        Arden Arcade-Del Paso Manor
126 
101 
21 
        Auburn
133 
122 
44 
        Colfax
133 
122 
41 
        Cool
133 
122 
36 
        Davis
84 
67 
23 
        Elk Grove
126 
101 
34 
        Folsom
126 
101 
31 
        Lincoln
133 
122 
31 
        Natomas
126 
101 
22 
        North Highlands
126 
101 
23 
        Placerville
133 
122 
50 
        Rio Vista
84 
67 
16 
        Roseville-Rocklin
133 
122 
36 
        Sacramento
126 
101 
21 
        Sloughhouse
126 
101 
22 
        Vacaville
84 
67 
36 
        Woodland
84 
67 
52 
San Diego Area
        San Diego Coast
Good
Moderate
38 
        San Diego Foothills
Moderate
Moderate
63 
        San Diego Mesa and Inland Valley
Moderate
Moderate
39 
San Francisco Area
        Concord
72 
Moderate
 
        Fairfield
72 
Moderate
18 
        Fremont
63 
Good
28 
        Livermore
72 
Moderate
31 
        Napa
39 
Good
35 
        Oakland
46 
Good
17 
        Redwood City
63 
Good
28 
        San Francisco
46 
Good
17 
        San Jose
76 
Moderate
20 
        San Rafael
39 
Good
11 
        Santa Rosa
39 
Good
14 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
156 
Unhealthy
56 
        Fresno
169 
Unhealthy
37 
        Hanford
151 
Unhealthy
44 
        Madera
143 
Unhealthy for Sensitive Groups
19 
        Merced
112 
Unhealthy for Sensitive Groups
29 
        Modesto
133 
Unhealthy for Sensitive Groups
22 
        Stockton
115 
Unhealthy for Sensitive Groups
24 
        Visalia
182 
Unhealthy
31 
San Luis Obispo County
        Atascadero
63 
58 
65 
        Carrizo Plains
87 
79 
20 
        Morro Bay
33 
32 
16 
        Nipomo
36 
35 
16 
        Paso Robles
83 
76 
65 
        Red Hills
87 
73 
40 
        San Luis Obispo
45 
44 
16 
Santa Barbara County
        Carpinteria
Good
aqi not available
        Gaviota Coast
Good
aqi not available
16 
        Goleta
Good
aqi not available
42 
        Lompoc
Good
aqi not available
37 
        Paradise Road
Good
aqi not available
 
        Santa Barbara
Good
aqi not available
19 
        Santa Maria
Good
aqi not available
33 
        Santa Ynez
Good
aqi not available
12 
Santa Rosa Rancheria
aqi not available
aqi not available
46 
Sequoia/Kings Canyon National Parks
112 
aqi not available
100 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
53 
Truckee
aqi not available
aqi not available
18 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
47 
Ventura County Area
        Ojai
Moderate
Moderate
13 
        Oxnard
Good
Good
23 
        Piru
Moderate
Moderate
        Simi Valley
Moderate
Moderate
61 
        Thousand Oaks
Moderate
Moderate
13 
Western Nevada County
120 
100 
17 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
71 
aqi not available
62 
Yuba City/Marysville
Moderate
Moderate
29 
Yucca Vly
67 
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.