Kolkata vs Shenzhen

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

India
Kolkata
68
Moderate
China
Shenzhen
66
Moderate
MetricKolkataShenzhen
AQI6866
PM2.528.2 μg/m³18.2 μg/m³
PM1046 μg/m³22.8 μg/m³
Ozone116 ppb63 ppb
NO24.9 ppb55.4 ppb

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