Kolkata vs Tianjin

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

India
Kolkata
96
Moderate
China
Tianjin
133
Unhealthy for Sensitive Groups
MetricKolkataTianjin
AQI96133
PM2.545.4 μg/m³26.7 μg/m³
PM1046.4 μg/m³31 μg/m³
Ozone67 ppb41 ppb
NO213.4 ppb63.9 ppb

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