Kolkata vs Hangzhou

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

India
Kolkata
67
Moderate
China
Hangzhou
108
Unhealthy for Sensitive Groups
MetricKolkataHangzhou
AQI67108
PM2.518 μg/m³17.2 μg/m³
PM1018.8 μg/m³17.3 μg/m³
Ozone63 ppb16 ppb
NO215.9 ppb56.7 ppb

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