Koh Samui vs Chiang Rai

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

Thailand
Koh Samui
35
Good
Thailand
Chiang Rai
57
Moderate
MetricKoh SamuiChiang Rai
AQI3557
PM2.55.5 μg/m³8.5 μg/m³
PM108.3 μg/m³8.5 μg/m³
Ozone78 ppb59 ppb
NO20.5 ppb6 ppb

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