Hanoi vs Montreal

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

Vietnam
Hanoi
153
Unhealthy
Canada
Montreal
24
Good
MetricHanoiMontreal
AQI15324
PM2.583.4 μg/m³2 μg/m³
PM1083.8 μg/m³2.1 μg/m³
Ozone59 ppb44 ppb
NO249.3 ppb13 ppb

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