Hanoi vs Calgary

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

Vietnam
Hanoi
99
Moderate
Canada
Calgary
35
Good
MetricHanoiCalgary
AQI9935
PM2.526.7 μg/m³8.7 μg/m³
PM1028.2 μg/m³11.7 μg/m³
Ozone54 ppb96 ppb
NO229.3 ppb4.2 ppb

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