Kolkata vs Seoul

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

India
Kolkata
121
Unhealthy for Sensitive Groups
South Korea
Seoul
77
Moderate
MetricKolkataSeoul
AQI12177
PM2.551.9 μg/m³45.3 μg/m³
PM1064.5 μg/m³45.9 μg/m³
Ozone72 ppb0 ppb
NO215.5 ppb57.9 ppb

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