Chiang Rai vs Montreal

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

Thailand
Chiang Rai
28
Good
Canada
Montreal
39
Good
MetricChiang RaiMontreal
AQI2839
PM2.510.5 μg/m³6.8 μg/m³
PM1010.7 μg/m³7.2 μg/m³
Ozone22 ppb82 ppb
NO29.4 ppb3.1 ppb

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