Tokyo vs Hanoi

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

Japan
Tokyo
66
Moderate
Vietnam
Hanoi
120
Unhealthy for Sensitive Groups
MetricTokyoHanoi
AQI66120
PM2.528.3 μg/m³53.9 μg/m³
PM1032.6 μg/m³55.8 μg/m³
Ozone52 ppb35 ppb
NO242.3 ppb45.3 ppb

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