Seoul vs Busan

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

South Korea
Seoul
64
Moderate
South Korea
Busan
52
Moderate
MetricSeoulBusan
AQI6452
PM2.513.1 μg/m³10.1 μg/m³
PM1016.4 μg/m³16.6 μg/m³
Ozone38 ppb94 ppb
NO232.6 ppb4.4 ppb

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