Hanoi vs Calgary

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

Vietnam
Hanoi
148
Unhealthy for Sensitive Groups
Canada
Calgary
31
Good
MetricHanoiCalgary
AQI14831
PM2.560.8 μg/m³0.6 μg/m³
PM1061 μg/m³0.6 μg/m³
Ozone68 ppb110 ppb
NO230.3 ppb1.4 ppb

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