Koh Samui vs Chiang Mai

Live air quality comparison. Koh Samui has cleaner air right now.

Thailand
Koh Samui
30
Good
Thailand
Chiang Mai
36
Good
MetricKoh SamuiChiang Mai
AQI3036
PM2.54.9 μg/m³2.9 μg/m³
PM106.8 μg/m³3 μg/m³
Ozone62 ppb17 ppb
NO21.7 ppb15.3 ppb

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