Tokyo vs Seoul

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

Japan
Tokyo
55
Moderate
South Korea
Seoul
65
Moderate
MetricTokyoSeoul
AQI5565
PM2.510.7 μg/m³13.6 μg/m³
PM1013.2 μg/m³16.9 μg/m³
Ozone56 ppb36 ppb
NO219.5 ppb36 ppb

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