San Francisco vs Los Angeles

Live air quality comparison. San Francisco has cleaner air right now.

United States
San Francisco
56
Moderate
United States
Los Angeles
75
Moderate
MetricSan FranciscoLos Angeles
AQI5675
PM2.510.9 μg/m³25.3 μg/m³
PM1016.5 μg/m³32.9 μg/m³
Ozone46 ppb88 ppb
NO25.3 ppb21 ppb

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