What is the air quality in Yên Bái?

Yên Bái, Vietnam has an annual US AQI of 100 (Polluted) and average PM2.5 of 33.8 µg/m³, ranking #4619 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Yên Bái?

July is typically the cleanest month (AQI 72) and December the most polluted (AQI 130).

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
4619	Yên Bái, Vietnam	Asia	AQI 100	PM2.5 33.8 µg/m³