Shanghai vs Kolkata

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

China
Shanghai
73
Moderate
India
Kolkata
64
Moderate
MetricShanghaiKolkata
AQI7364
PM2.529 μg/m³9.7 μg/m³
PM1029.8 μg/m³10.9 μg/m³
Ozone2 ppb59 ppb
NO278.7 ppb8.8 ppb

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