Seoul vs Busan

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

South Korea
Seoul
173
Unhealthy
South Korea
Busan
72
Moderate
MetricSeoulBusan
AQI17372
PM2.536 μg/m³17.6 μg/m³
PM1038.6 μg/m³22.9 μg/m³
Ozone109 ppb89 ppb
NO261.4 ppb33.9 ppb

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