Kolkata vs Xian

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

India
Kolkata
121
Unhealthy for Sensitive Groups
China
Xian
78
Moderate
MetricKolkataXian
AQI12178
PM2.551.9 μg/m³10.3 μg/m³
PM1064.5 μg/m³15.3 μg/m³
Ozone72 ppb44 ppb
NO215.5 ppb22.8 ppb

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