Udon Thani vs Chiang Rai

Live air quality comparison. Udon Thani has cleaner air right now.

Thailand
Udon Thani
31
Good
Thailand
Chiang Rai
33
Good
MetricUdon ThaniChiang Rai
AQI3133
PM2.52.8 μg/m³5.5 μg/m³
PM102.8 μg/m³5.5 μg/m³
Ozone59 ppb36 ppb
NO26.3 ppb10.2 ppb

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