Chiang Rai vs Montreal

Live air quality comparison. Chiang Rai has cleaner air right now.

Thailand
Chiang Rai
41
Good
Canada
Montreal
50
Good
MetricChiang RaiMontreal
AQI4150
PM2.56.5 μg/m³4.5 μg/m³
PM107 μg/m³4.5 μg/m³
Ozone23 ppb45 ppb
NO26.5 ppb20.8 ppb

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