Kolkata vs Shanghai

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

India
Kolkata
96
Moderate
China
Shanghai
82
Moderate
MetricKolkataShanghai
AQI9682
PM2.545.4 μg/m³28.1 μg/m³
PM1046.4 μg/m³34.6 μg/m³
Ozone67 ppb68 ppb
NO213.4 ppb44 ppb

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