San Francisco vs Delhi

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

United States
San Francisco
47
Good
India
Delhi
530
Hazardous
MetricSan FranciscoDelhi
AQI47530
PM2.511.1 μg/m³79.6 μg/m³
PM1016.5 μg/m³335.3 μg/m³
Ozone58 ppb137 ppb
NO28.4 ppb12.8 ppb

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