Kolkata vs Harbin

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

India
Kolkata
96
Moderate
China
Harbin
68
Moderate
MetricKolkataHarbin
AQI9668
PM2.545.4 μg/m³15 μg/m³
PM1046.4 μg/m³15.5 μg/m³
Ozone67 ppb76 ppb
NO213.4 ppb16.1 ppb

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