Kolkata vs Shenzhen

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

India
Kolkata
57
Moderate
China
Shenzhen
65
Moderate
MetricKolkataShenzhen
AQI5765
PM2.510.9 μg/m³10.5 μg/m³
PM1013.4 μg/m³11.1 μg/m³
Ozone52 ppb9 ppb
NO28 ppb43.9 ppb

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