Hanoi vs Copenhagen

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

Vietnam
Hanoi
180
Unhealthy
Denmark
Copenhagen
25
Good
MetricHanoiCopenhagen
AQI18025
PM2.560.5 μg/m³3.2 μg/m³
PM1060.8 μg/m³8.4 μg/m³
Ozone116 ppb60 ppb
NO240.5 ppb2.8 ppb

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