San Francisco vs Delhi

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

United States
San Francisco
56
Moderate
India
Delhi
84
Moderate
MetricSan FranciscoDelhi
AQI5684
PM2.510.9 μg/m³23.6 μg/m³
PM1016.5 μg/m³24.3 μg/m³
Ozone46 ppb64 ppb
NO25.3 ppb22.1 ppb

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