Tokyo vs Seoul

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

Japan
Tokyo
118
Unhealthy for Sensitive Groups
South Korea
Seoul
88
Moderate
MetricTokyoSeoul
AQI11888
PM2.563.1 μg/m³24.6 μg/m³
PM1067.1 μg/m³57.2 μg/m³
Ozone20 ppb25 ppb
NO254.3 ppb32.4 ppb

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