Hanoi vs Hangzhou

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

Vietnam
Hanoi
147
Unhealthy for Sensitive Groups
China
Hangzhou
46
Good
MetricHanoiHangzhou
AQI14746
PM2.562.9 μg/m³4.1 μg/m³
PM1063.3 μg/m³4.9 μg/m³
Ozone71 ppb86 ppb
NO229 ppb9.4 ppb

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