Kolkata vs Tianjin

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

India
Kolkata
111
Unhealthy for Sensitive Groups
China
Tianjin
125
Unhealthy for Sensitive Groups
MetricKolkataTianjin
AQI111125
PM2.562.9 μg/m³43.8 μg/m³
PM1080.6 μg/m³44 μg/m³
Ozone72 ppb10 ppb
NO221.3 ppb102 ppb

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