Udon Thani vs Chiang Rai

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

Thailand
Udon Thani
128
Unhealthy for Sensitive Groups
Thailand
Chiang Rai
83
Moderate
MetricUdon ThaniChiang Rai
AQI12883
PM2.518.6 μg/m³17.3 μg/m³
PM1019.2 μg/m³23.7 μg/m³
Ozone143 ppb116 ppb
NO22.9 ppb3.5 ppb

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