Chiang Mai vs Montreal

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

Thailand
Chiang Mai
59
Moderate
Canada
Montreal
33
Good
MetricChiang MaiMontreal
AQI5933
PM2.513.9 μg/m³3.7 μg/m³
PM1018.9 μg/m³3.9 μg/m³
Ozone17 ppb80 ppb
NO227.2 ppb4.4 ppb

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