Seoul vs Busan

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

South Korea
Seoul
179
Unhealthy
South Korea
Busan
80
Moderate
MetricSeoulBusan
AQI17980
PM2.530.7 μg/m³16.8 μg/m³
PM1033.9 μg/m³22.1 μg/m³
Ozone134 ppb96 ppb
NO250.8 ppb30.5 ppb

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