Kolkata vs Harbin

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

India
Kolkata
113
Unhealthy for Sensitive Groups
China
Harbin
63
Moderate
MetricKolkataHarbin
AQI11363
PM2.541.6 μg/m³21 μg/m³
PM1050.5 μg/m³22.3 μg/m³
Ozone89 ppb65 ppb
NO214.8 ppb38.7 ppb

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