Shanghai vs Kolkata

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

China
Shanghai
99
Moderate
India
Kolkata
68
Moderate
MetricShanghaiKolkata
AQI9968
PM2.540.3 μg/m³28.2 μg/m³
PM1041.3 μg/m³46 μg/m³
Ozone49 ppb116 ppb
NO282.8 ppb4.9 ppb

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