California
 
Data courtesy of:
 

AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20160729_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
Fri
Jul 29
Sat
Jul 30
Bear Valley
aqi not available
aqi not available
 
Bishop
aqi not available
aqi not available
26 
Bishop Paiute Tribe
aqi not available
aqi not available
26 
Chester
aqi not available
aqi not available
28 
Chico
Moderate
Unhealthy for Sensitive Groups
64 
Death Valley National Park
84 
aqi not available
61 
Forest Ranch
aqi not available
aqi not available
 
Great Basin Air District
aqi not available
aqi not available
23 
Greeley Hill
aqi not available
aqi not available
 
Gridley
Moderate
Moderate
51 
Imperial Valley
58 
48 
64 
Joshua Tree National Park
aqi not available
aqi not available
93 
La Grange
aqi not available
aqi not available
 
Lancaster
aqi not available
aqi not available
 
Lassen Volcanic National Park
74 
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
23 
Los Angeles Area
        Antelope Vly
100 
100 
156 
        Anza Vly
67 
67 
108 
        Banning
132 
132 
122 
        Barstow
67 
67 
101 
        Big Bear Lake
161 
100 
 
        C San Bernardino M
187 
161 
136 
        C San Bernardino-1
132 
100 
119 
        C San Bernardino-2
161 
161 
119 
        Capistrano Vly
38 
46 
45 
        Central Coastal
38 
46 
45 
        Central LA CO
50 
53 
122 
        Central Orange-1
55 
46 
55 
        Central Orange-2
46 
67 
55 
        Coachella Vly
132 
132 
48 
        E San Bernardino
187 
161 
156 
        E San Fernando Vly
67 
100 
122 
        E San Gabriel V-1
100 
100 
58 
        E San Gabriel V-2
100 
100 
58 
        East Riverside CO
67 
67 
41 
        Hemet/San Jacinto
100 
132 
108 
        Hesperia
132 
100 
100 
        Lake Elsinore
132 
132 
136 
        Metro Riverside CO
100 
100 
156 
        N Coastal Orange
42 
38 
42 
        NW Coastal LA
46 
67 
42 
        NW San Bernardino
132 
132 
93 
        Norco/Corona
100 
100 
156 
        North Orange CO
46 
50 
55 
        Perris Vly
161 
67 
105 
        Phelan
132 
67 
108 
        Pomona Walnut Vly
67 
70 
39 
        S Central LA CO
53 
53 
33 
        S San Gabriel Vly
67 
67 
35 
        SW Coastal LA
37 
46 
42 
        SW San Bernardino
100 
132 
93 
        Saddleback Vly
46 
46 
55 
        San Gabriel Mts
132 
100 
161 
        Santa Clarita Vly
132 
132 
161 
        South Coastal LA
38 
67 
42 
        Southeast LA CO
50 
67 
55 
        Temecula Vly
67 
67 
108 
        Trona
67 
67 
87 
        Twentynine Palms
132 
67 
101 
        Victorville
67 
67 
126 
        W San Bernardino M
161 
67 
136 
        W San Fernando Vly
67 
100 
122 
        W San Gabriel Vly
100 
67 
61 
Mammoth Lakes
aqi not available
aqi not available
23 
Markleeville
aqi not available
aqi not available
 
Mendocino County
Good
aqi not available
48 
Mono Lake
aqi not available
aqi not available
Monterey Bay Area
        Carmel Valley
Moderate
Moderate
54 
        Davenport
Good
Good
 
        Hollister
Moderate
Moderate
25 
        King City
Moderate
Moderate
30 
        Marina/Seaside
Good
Moderate
 
        Monterey Peninsula
Good
Moderate
 
        Pinnacles National Monument
Moderate
Moderate
44 
        Salinas
Good
Moderate
54 
        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
23 
Paradise
Unhealthy for Sensitive Groups
Unhealthy for Sensitive Groups
58 
Point Reyes
aqi not available
aqi not available
 
Portola
aqi not available
aqi not available
35 
Quincy
aqi not available
aqi not available
57 
Red Bluff
aqi not available
aqi not available
 
Redding
70 
aqi not available
108 
Sacramento Area
        Arden Arcade-Del Paso Manor
133 
126 
28 
        Auburn
150 
133 
61 
        Colfax
150 
133 
67 
        Cool
150 
133 
44 
        Davis
93 
84 
52 
        Elk Grove
133 
126 
32 
        Folsom
133 
126 
35 
        Lincoln
150 
133 
29 
        Natomas
133 
126 
26 
        North Highlands
133 
126 
43 
        Placerville
150 
133 
51 
        Rio Vista
93 
84 
 
        Roseville-Rocklin
150 
133 
39 
        Sacramento
133 
126 
28 
        Sloughhouse
133 
126 
30 
        Vacaville
93 
84 
30 
        Woodland
93 
84 
51 
San Diego Area
        San Diego Coast
Good
aqi not available
39 
        San Diego Foothills
Moderate
aqi not available
64 
        San Diego Mesa and Inland Valley
Moderate
aqi not available
58 
San Francisco Area
        Concord
101 
72 
18 
        Fairfield
101 
72 
21 
        Fremont
32 
63 
54 
        Livermore
101 
72 
48 
        Napa
37 
39 
45 
        Oakland
39 
46 
15 
        Redwood City
32 
63 
54 
        San Francisco
39 
46 
13 
        San Jose
68 
76 
44 
        San Rafael
37 
39 
16 
        Santa Rosa
37 
39 
17 
San Jacinto
aqi not available
aqi not available
 
San Joaquin Valley Area
        Bakersfield
159 
Unhealthy
133 
        Fresno
177 
Unhealthy
115 
        Hanford
151 
Unhealthy
47 
        Madera
108 
Unhealthy for Sensitive Groups
46 
        Merced
101 
Unhealthy for Sensitive Groups
44 
        Modesto
112 
Unhealthy for Sensitive Groups
37 
        Stockton
90 
Unhealthy for Sensitive Groups
35 
        Visalia
159 
Unhealthy
67 
San Luis Obispo County
        Atascadero
65 
60 
56 
        Carrizo Plains
98 
87 
77 
        Morro Bay
33 
33 
12 
        Nipomo
40 
36 
27 
        Paso Robles
78 
65 
56 
        Red Hills
98 
87 
74 
        San Luis Obispo
45 
45 
27 
Santa Barbara County
        Carpinteria
Good
aqi not available
20 
        Gaviota Coast
Good
aqi not available
35 
        Goleta
Good
aqi not available
56 
        Lompoc
Good
aqi not available
37 
        Paradise Road
Good
aqi not available
47 
        Santa Barbara
Good
aqi not available
20 
        Santa Maria
Good
aqi not available
61 
        Santa Ynez
Good
aqi not available
42 
Santa Rosa Rancheria
aqi not available
aqi not available
68 
Sequoia/Kings Canyon National Parks
129 
aqi not available
133 
South Lake Tahoe
aqi not available
aqi not available
 
Tahoe City area
aqi not available
aqi not available
61 
Truckee
aqi not available
aqi not available
53 
Tuolumne City
aqi not available
aqi not available
 
Tuolumne County
aqi not available
aqi not available
122 
Ventura County Area
        Ojai
Moderate
Moderate
84 
        Oxnard
Good
Good
34 
        Piru
Moderate
Moderate
87 
        Simi Valley
Moderate
Moderate
101 
        Thousand Oaks
Moderate
Moderate
39 
Western Nevada County
150 
120 
45 
Yankee Hill
aqi not available
aqi not available
 
Yosemite National Park
58 
aqi not available
50 
Yuba City/Marysville
Unhealthy for Sensitive Groups
Moderate
81 
Yucca Vly
100 
67 
 
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.