San Francisco vs Delhi

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

United States
San Francisco
40
Good
India
Delhi
176
Unhealthy
MetricSan FranciscoDelhi
AQI40176
PM2.57.5 μg/m³125.7 μg/m³
PM1011.3 μg/m³282.2 μg/m³
Ozone83 ppb37 ppb
NO24.3 ppb40.1 ppb

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