Kolkata vs Xian

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

India
Kolkata
187
Unhealthy
China
Xian
137
Unhealthy for Sensitive Groups
MetricKolkataXian
AQI187137
PM2.5117.1 μg/m³37.4 μg/m³
PM10121.5 μg/m³73.8 μg/m³
Ozone118 ppb40 ppb
NO217.6 ppb25.5 ppb

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