Tokyo vs Hanoi

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

Japan
Tokyo
110
Unhealthy for Sensitive Groups
Vietnam
Hanoi
160
Unhealthy
MetricTokyoHanoi
AQI110160
PM2.548.7 μg/m³69.8 μg/m³
PM1049.5 μg/m³70.5 μg/m³
Ozone5 ppb47 ppb
NO298.3 ppb52.4 ppb

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