Koh Samui vs Chiang Mai

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

Thailand
Koh Samui
29
Good
Thailand
Chiang Mai
64
Moderate
MetricKoh SamuiChiang Mai
AQI2964
PM2.53.2 μg/m³10.4 μg/m³
PM104.4 μg/m³14 μg/m³
Ozone56 ppb97 ppb
NO20.5 ppb3.3 ppb

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