Chiang Mai vs Montreal

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

Thailand
Chiang Mai
56
Moderate
Canada
Montreal
50
Good
MetricChiang MaiMontreal
AQI5650
PM2.517.2 μg/m³4.5 μg/m³
PM1018.2 μg/m³4.5 μg/m³
Ozone9 ppb45 ppb
NO223.3 ppb20.8 ppb

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