Kolkata vs Harbin

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

India
Kolkata
172
Unhealthy
China
Harbin
71
Moderate
MetricKolkataHarbin
AQI17271
PM2.5102.7 μg/m³20.7 μg/m³
PM10105.2 μg/m³21.2 μg/m³
Ozone49 ppb11 ppb
NO226.6 ppb42.5 ppb

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