Kolkata vs Tianjin

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

India
Kolkata
112
Unhealthy for Sensitive Groups
China
Tianjin
155
Unhealthy
MetricKolkataTianjin
AQI112155
PM2.559.4 μg/m³82.4 μg/m³
PM1059.6 μg/m³102 μg/m³
Ozone66 ppb8 ppb
NO216.6 ppb50.6 ppb

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