Kolkata vs Tianjin

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

India
Kolkata
57
Moderate
China
Tianjin
94
Moderate
MetricKolkataTianjin
AQI5794
PM2.510.9 μg/m³24.4 μg/m³
PM1013.4 μg/m³24.4 μg/m³
Ozone52 ppb43 ppb
NO28 ppb58.4 ppb

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