San Francisco vs Delhi

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

United States
San Francisco
51
Moderate
India
Delhi
152
Unhealthy
MetricSan FranciscoDelhi
AQI51152
PM2.59.6 μg/m³58 μg/m³
PM1014.8 μg/m³63.8 μg/m³
Ozone67 ppb70 ppb
NO27 ppb36.3 ppb

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