Koh Samui vs Chiang Mai

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

Thailand
Koh Samui
35
Good
Thailand
Chiang Mai
52
Moderate
MetricKoh SamuiChiang Mai
AQI3552
PM2.56 μg/m³7.9 μg/m³
PM107.8 μg/m³8.4 μg/m³
Ozone75 ppb28 ppb
NO22.2 ppb21.6 ppb

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