Shanghai vs Kolkata

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

China
Shanghai
82
Moderate
India
Kolkata
96
Moderate
MetricShanghaiKolkata
AQI8296
PM2.528.3 μg/m³45.4 μg/m³
PM1034.6 μg/m³46.4 μg/m³
Ozone52 ppb67 ppb
NO251.6 ppb13.4 ppb

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