Seoul vs Busan

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

South Korea
Seoul
74
Moderate
South Korea
Busan
54
Moderate
MetricSeoulBusan
AQI7454
PM2.530.7 μg/m³11.4 μg/m³
PM1032.7 μg/m³12.2 μg/m³
Ozone116 ppb88 ppb
NO220.8 ppb16.5 ppb

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