San Francisco vs Los Angeles

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

United States
San Francisco
54
Moderate
United States
Los Angeles
67
Moderate
MetricSan FranciscoLos Angeles
AQI5467
PM2.512.8 μg/m³24.5 μg/m³
PM1018.5 μg/m³26.8 μg/m³
Ozone80 ppb16 ppb
NO23.6 ppb62.8 ppb

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