Udon Thani vs Chiang Rai

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

Thailand
Udon Thani
56
Moderate
Thailand
Chiang Rai
42
Good
MetricUdon ThaniChiang Rai
AQI5642
PM2.516.1 μg/m³10.5 μg/m³
PM1017.6 μg/m³10.8 μg/m³
Ozone58 ppb50 ppb
NO214.8 ppb8.4 ppb

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