Kolkata vs Xian

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

India
Kolkata
67
Moderate
China
Xian
127
Unhealthy for Sensitive Groups
MetricKolkataXian
AQI67127
PM2.518 μg/m³71.9 μg/m³
PM1018.8 μg/m³72.2 μg/m³
Ozone63 ppb14 ppb
NO215.9 ppb72.7 ppb

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