Seoul vs Hangzhou

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

South Korea
Seoul
99
Moderate
China
Hangzhou
154
Unhealthy
MetricSeoulHangzhou
AQI99154
PM2.516.7 μg/m³28.3 μg/m³
PM1020.4 μg/m³34.3 μg/m³
Ozone106 ppb151 ppb
NO231.2 ppb14.8 ppb

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