Kolkata vs Xian

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

India
Kolkata
57
Moderate
China
Xian
105
Unhealthy for Sensitive Groups
MetricKolkataXian
AQI57105
PM2.517.5 μg/m³48.9 μg/m³
PM1019.9 μg/m³49.6 μg/m³
Ozone73 ppb12 ppb
NO28.6 ppb53.8 ppb

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