Tokyo vs Hanoi

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

Japan
Tokyo
61
Moderate
Vietnam
Hanoi
99
Moderate
MetricTokyoHanoi
AQI6199
PM2.513.7 μg/m³26.7 μg/m³
PM1015.9 μg/m³28.2 μg/m³
Ozone16 ppb54 ppb
NO250.8 ppb29.3 ppb

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