What is the air quality in Siem Reap?

Siem Reap, Cambodia has an annual US AQI of 80 (Polluted) and average PM2.5 of 24.3 µg/m³, ranking #3800 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Siem Reap?

August is typically the cleanest month (AQI 54) and February the most polluted (AQI 135).

PM2.5: 1998–2024 (satellite). From satellite data, because no government monitor covers the city. Full sources are on the methodology page.

Global rank	City	Continent	AQI	PM2.5
3800	Siem Reap, Cambodia	Asia	AQI 80	PM2.5 24.3 µg/m³