Seoul vs Hangzhou

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

South Korea
Seoul
77
Moderate
China
Hangzhou
46
Good
MetricSeoulHangzhou
AQI7746
PM2.540.5 μg/m³4.1 μg/m³
PM1041.1 μg/m³4.9 μg/m³
Ozone13 ppb86 ppb
NO261.4 ppb9.4 ppb

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