Luyml NewsThu, Oct 22, 2026

The Air

California air, measured live

CALIFORNIA — This hour the cleanest air in the state is over Pasadena (29); the heaviest sits over Visalia (143).

US AQI and PM2.5 from Open-Meteo (Copernicus CAMS) · updated 4:19 PM 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
29cleanest · Pasadena143heaviest · VisaliaUnhealthy for Sensitive Groups at the worst of it
50100150

Every reading sits between 29 (Pasadena) and 143 (Visalia). The first line is 50, where the air stops being good for everyone.

Sacramento Valley

CityAQIBandPM2.5
Sacramento63Moderate3.2
Elk Grove65Moderate3.5
Folsom58Moderate3.8
Roseville58Moderate3.8
Davis63Moderate3.2
Woodland65Moderate2.8
Chico69Moderate6.3
Redding80Moderate21.3

Bay Area

CityAQIBandPM2.5
San Francisco56Moderate8.9
Oakland62Moderate7.8
Berkeley62Moderate7.8
San Jose43Good2.1
Fremont54Moderate3
Santa Rosa56Moderate8.4
Napa59Moderate6.2
Vallejo62Moderate7.8

Central Valley

CityAQIBandPM2.5
Stockton71Moderate3.5
Modesto58Moderate4.9
Merced57Moderate6.8
Fresno103Unhealthy for Sensitive Groups12.9
Visalia143Unhealthy for Sensitive Groups10
Bakersfield31Good2.5

Sierra

CityAQIBandPM2.5
South Lake Tahoe41Good3.4
Truckee41Good1.9

Central Coast

CityAQIBandPM2.5
Santa Cruz31Good3.5
Monterey31Good3.5
Salinas30Good1.5
San Luis Obispo33Good1.5
Santa Barbara38Good2.1
Ventura36Good2.1
Oxnard36Good3.2

Southern California

CityAQIBandPM2.5
Los Angeles41Good7.4
Long Beach37Good4.2
Pasadena29Good6.3
Glendale41Good7.4
Santa Monica41Good7.4
Anaheim29Good6.3
Santa Ana37Good4.2
Irvine37Good4.2
Riverside34Good2
San Bernardino34Good2
San Diego32Good5.2
Oceanside34Good3.4

Desert

CityAQIBandPM2.5
Palm Springs34Good1
Lancaster36Good3.5
Victorville35Good1.3

North Coast

CityAQIBandPM2.5
Eureka59Moderate8.2

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