Hanoi vs Copenhagen

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

Vietnam
Hanoi
120
Unhealthy for Sensitive Groups
Denmark
Copenhagen
36
Good
MetricHanoiCopenhagen
AQI12036
PM2.553.9 μg/m³5.7 μg/m³
PM1055.8 μg/m³9.9 μg/m³
Ozone35 ppb52 ppb
NO245.3 ppb12.6 ppb

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