Tokyo vs Seoul

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

Japan
Tokyo
110
Unhealthy for Sensitive Groups
South Korea
Seoul
71
Moderate
MetricTokyoSeoul
AQI11071
PM2.548.7 μg/m³17.1 μg/m³
PM1049.5 μg/m³20.1 μg/m³
Ozone5 ppb19 ppb
NO298.3 ppb59.8 ppb

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