Kolkata vs Tianjin

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

India
Kolkata
68
Moderate
China
Tianjin
90
Moderate
MetricKolkataTianjin
AQI6890
PM2.528.2 μg/m³38.2 μg/m³
PM1046 μg/m³49.2 μg/m³
Ozone116 ppb94 ppb
NO24.9 ppb29.5 ppb

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