What is the air quality in Sơn La?

Sơn La, Vietnam has an annual US AQI of 92 (Polluted) and average PM2.5 of 30.8 µg/m³, ranking #4353 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Sơn La?

July is typically the cleanest month (AQI 62) and March the most polluted (AQI 147).

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
4353	Sơn La, Vietnam	Asia	AQI 92	PM2.5 30.8 µg/m³