Kolkata vs Harbin

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

India
Kolkata
112
Unhealthy for Sensitive Groups
China
Harbin
157
Unhealthy
MetricKolkataHarbin
AQI112157
PM2.559.4 μg/m³77.8 μg/m³
PM1059.6 μg/m³85.7 μg/m³
Ozone66 ppb31 ppb
NO216.6 ppb43.9 ppb

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