Koh Samui vs Chiang Mai

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

Thailand
Koh Samui
35
Good
Thailand
Chiang Mai
53
Moderate
MetricKoh SamuiChiang Mai
AQI3553
PM2.55.5 μg/m³10.4 μg/m³
PM108.2 μg/m³10.6 μg/m³
Ozone79 ppb89 ppb
NO20.6 ppb9.3 ppb

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