Hanoi vs Vienna

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

Vietnam
Hanoi
120
Unhealthy for Sensitive Groups
Austria
Vienna
48
Good
MetricHanoiVienna
AQI12048
PM2.553.9 μg/m³11.6 μg/m³
PM1055.8 μg/m³15.3 μg/m³
Ozone35 ppb47 ppb
NO245.3 ppb11.8 ppb

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