Kolkata vs Harbin

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

India
Kolkata
57
Moderate
China
Harbin
59
Moderate
MetricKolkataHarbin
AQI5759
PM2.510.9 μg/m³12.5 μg/m³
PM1013.4 μg/m³13.1 μg/m³
Ozone52 ppb70 ppb
NO28 ppb32.9 ppb

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