Hanoi vs Copenhagen

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

Vietnam
Hanoi
99
Moderate
Denmark
Copenhagen
37
Good
MetricHanoiCopenhagen
AQI9937
PM2.526.7 μg/m³2.9 μg/m³
PM1028.2 μg/m³6.5 μg/m³
Ozone54 ppb76 ppb
NO229.3 ppb4 ppb

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