Hanoi vs Vienna

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

Vietnam
Hanoi
148
Unhealthy for Sensitive Groups
Austria
Vienna
40
Good
MetricHanoiVienna
AQI14840
PM2.560.8 μg/m³3.1 μg/m³
PM1061 μg/m³4.7 μg/m³
Ozone68 ppb70 ppb
NO230.3 ppb5.2 ppb

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