Air Quality / By State / California
Air Quality in California
133 monitoring stations in California reporting in the last 3 hours, worst air quality first.
Sacramento
PM2.5
Good45
Napa
PM2.5
Good45
Stockton
PM2.5
Good44
San Lorenzo Valley
PM2.5
Good44
Salinas
PM2.5
Good44
Ukiah
PM2.5
Good43
Barstow
PM10
Good43
Lincoln
PM2.5
Good43
Madera
PM2.5
Good43
Death Valley National Park
OZONE
Good42
Trona
OZONE
Good42
San Diego Foothills
PM2.5
Good41
Paradise
OZONE
Good41
Yuba City and Marysville
PM2.5
Good40
Banning
OZONE
Good39
Lassen Volcanic National Park
OZONE
Good38
Thousand Oaks
PM2.5
Good37
Western Nevada County
OZONE
Good37
Roseville-Rocklin
PM2.5
Good36
Redding
OZONE
Good36
Sloughhouse
PM2.5
Good35
Nipomo Mesa2
PM2.5
Good35
Redwood City
PM2.5
Good35
Nipomo CDF
PM2.5
Good34
Yosemite National Park
OZONE
Good34
Joshua Tree National Park
OZONE
Good32
C San Bernardino M
OZONE
Good32
Red Hills
OZONE
Good31
Santa Cruz
PM2.5
Good31
S San Gabriel Vly
OZONE
Good31
San Rafael
PM2.5
Good31
Gridley
PM2.5
Good31
Hollister
PM2.5
Good30
Hesperia
PM10
Good30
Colfax
OZONE
Good30
Folsom
PM2.5
Good29
Auburn
OZONE
Good29
Chico
PM2.5
Good29
Coso Junction
PM10
Good29
Crescent City
PM2.5
Good29
Niland
PM10
Good28
Brawley
PM2.5
Good28
Woodland
PM2.5
Good28
Gaviota Coast
OZONE
Good28
Tahoe City area
OZONE
Good27
Placerville
OZONE
Good27
Santa Rosa
PM2.5
Good26
Vacaville
PM2.5
Good26
Atascadero
PM2.5
Good26
Calaveras County
OZONE
Good25
Current AirNow data are preliminary and may be revised. Source: EPA AirNow.