Hanoi vs Calgary

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

Vietnam
Hanoi
154
Unhealthy
Canada
Calgary
32
Good
MetricHanoiCalgary
AQI15432
PM2.556.2 μg/m³1.2 μg/m³
PM1056.7 μg/m³1.2 μg/m³
Ozone108 ppb50 ppb
NO234.1 ppb8 ppb

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