The Air

California air, measured live

CALIFORNIA — This hour the cleanest air in the state is over Fresno (27); the heaviest sits over Los Angeles (70).

US AQI and PM2.5 from Open-Meteo (Copernicus CAMS) · updated 10:37 AM PT, every 10 minutes · no figure on this page is written by hand.

Every California city we measure, on the US AQI scale, right now

27cleanest · Fresno70heaviest · Los AngelesModerate at the worst of it

50100150

Every reading sits between 27 (Fresno) and 70 (Los Angeles). The first line is 50, where the air stops being good for everyone.

Sacramento Valley

City	AQI	Band	PM2.5
Sacramento	54	Moderate	9.9
Elk Grove	53	Moderate	10.8
Folsom	48	Good	11
Roseville	48	Good	11
Davis	54	Moderate	9.9
Woodland	51	Moderate	10.2
Chico	47	Good	12.1
Redding	32	Good	8.5

City	AQI	Band	PM2.5
San Francisco	60	Moderate	10.6
Oakland	57	Moderate	9.8
Berkeley	57	Moderate	9.8
San Jose	58	Moderate	10.7
Fremont	61	Moderate	11.4
Santa Rosa	50	Good	7.8
Napa	53	Moderate	9.3
Vallejo	57	Moderate	9.8

City	AQI	Band	PM2.5
Stockton	59	Moderate	13.2
Modesto	56	Moderate	14.1
Merced	45	Good	12.3
Fresno	27	Good	9.2
Visalia	41	Good	5.9
Bakersfield	45	Good	10.1

City	AQI	Band	PM2.5
South Lake Tahoe	34	Good	3.6
Truckee	32	Good	4.7

City	AQI	Band	PM2.5
Santa Cruz	59	Moderate	11.4
Monterey	59	Moderate	11.4
Salinas	56	Moderate	13.5
San Luis Obispo	56	Moderate	14.2
Santa Barbara	44	Good	9.8
Ventura	54	Moderate	15.1
Oxnard	55	Moderate	21.4

City	AQI	Band	PM2.5
Los Angeles	70	Moderate	21
Long Beach	53	Moderate	15.8
Pasadena	68	Moderate	17.5
Glendale	70	Moderate	21
Santa Monica	70	Moderate	21
Anaheim	68	Moderate	17.5
Santa Ana	53	Moderate	15.8
Irvine	53	Moderate	15.8
Riverside	53	Moderate	11.1
San Bernardino	53	Moderate	11.1
San Diego	63	Moderate	15.5
Oceanside	64	Moderate	12.8

City	AQI	Band	PM2.5
Palm Springs	35	Good	9.3
Lancaster	37	Good	8.5
Victorville	43	Good	7.7

City	AQI	Band	PM2.5
Eureka	51	Moderate	7.7