Beijing vs Hanoi

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

China
Beijing
103
Unhealthy for Sensitive Groups
Vietnam
Hanoi
120
Unhealthy for Sensitive Groups
MetricBeijingHanoi
AQI103120
PM2.536.8 μg/m³53.9 μg/m³
PM1039.2 μg/m³55.8 μg/m³
Ozone4 ppb35 ppb
NO271.8 ppb45.3 ppb

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