Seoul vs Busan

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

South Korea
Seoul
117
Unhealthy for Sensitive Groups
South Korea
Busan
65
Moderate
MetricSeoulBusan
AQI11765
PM2.546.9 μg/m³27.9 μg/m³
PM1050.4 μg/m³29 μg/m³
Ozone96 ppb58 ppb
NO250.3 ppb60.9 ppb

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