Kolkata vs Shenzhen

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

India
Kolkata
113
Unhealthy for Sensitive Groups
China
Shenzhen
64
Moderate
MetricKolkataShenzhen
AQI11364
PM2.541.6 μg/m³28.5 μg/m³
PM1050.5 μg/m³29.8 μg/m³
Ozone89 ppb20 ppb
NO214.8 ppb78.6 ppb

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