Xian vs Hanoi

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

China
Xian
78
Moderate
Vietnam
Hanoi
148
Unhealthy for Sensitive Groups
MetricXianHanoi
AQI78148
PM2.510.3 μg/m³60.8 μg/m³
PM1015.3 μg/m³61 μg/m³
Ozone44 ppb68 ppb
NO222.8 ppb30.3 ppb

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