Hanoi vs Calgary

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

Vietnam
Hanoi
117
Unhealthy for Sensitive Groups
Canada
Calgary
52
Moderate
MetricHanoiCalgary
AQI11752
PM2.554.9 μg/m³6.4 μg/m³
PM1057.6 μg/m³6.9 μg/m³
Ozone25 ppb93 ppb
NO249.3 ppb2.8 ppb

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