Koh Samui vs Chiang Rai

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

Thailand
Koh Samui
29
Good
Thailand
Chiang Rai
83
Moderate
MetricKoh SamuiChiang Rai
AQI2983
PM2.53.2 μg/m³17.3 μg/m³
PM104.4 μg/m³23.7 μg/m³
Ozone56 ppb116 ppb
NO20.5 ppb3.5 ppb

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