Kolkata vs Harbin

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

India
Kolkata
68
Moderate
China
Harbin
50
Good
MetricKolkataHarbin
AQI6850
PM2.528.2 μg/m³7.3 μg/m³
PM1046 μg/m³7.9 μg/m³
Ozone116 ppb100 ppb
NO24.9 ppb7.8 ppb

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