San Francisco vs Los Angeles

Live air quality comparison. Los Angeles has cleaner air right now.

United States
San Francisco
47
Good
United States
Los Angeles
45
Good
MetricSan FranciscoLos Angeles
AQI4745
PM2.511.1 μg/m³15.3 μg/m³
PM1016.5 μg/m³16.6 μg/m³
Ozone58 ppb27 ppb
NO28.4 ppb31 ppb

Lower values mean cleaner air. Updated hourly. Sources: OpenAQ, Open-Meteo.