Tokyo vs Seoul

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

Japan
Tokyo
75
Moderate
South Korea
Seoul
179
Unhealthy
MetricTokyoSeoul
AQI75179
PM2.526.2 μg/m³30.7 μg/m³
PM1027.6 μg/m³33.9 μg/m³
Ozone50 ppb134 ppb
NO266.6 ppb50.8 ppb

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