Shanghai vs Kolkata

Live air quality comparison. Shanghai has cleaner air right now.

China
Shanghai
111
Unhealthy for Sensitive Groups
India
Kolkata
112
Unhealthy for Sensitive Groups
MetricShanghaiKolkata
AQI111112
PM2.544.4 μg/m³59.4 μg/m³
PM1064.5 μg/m³59.6 μg/m³
Ozone21 ppb66 ppb
NO236.6 ppb16.6 ppb

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