Kolkata vs Shenzhen

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

India
Kolkata
96
Moderate
China
Shenzhen
88
Moderate
MetricKolkataShenzhen
AQI9688
PM2.545.4 μg/m³23.5 μg/m³
PM1046.4 μg/m³28.8 μg/m³
Ozone67 ppb74 ppb
NO213.4 ppb45.4 ppb

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