What is the air quality in Sylhet?

Sylhet, Bangladesh has an annual US AQI of 108 (Polluted) and average PM2.5 of 41.1 µg/m³, ranking #4896 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Sylhet?

July is typically the cleanest month (AQI 64) and January the most polluted (AQI 159).

Where does Sylhet's air quality data come from?

PM2.5: 1998–2024 (monitors 2012–2024, satellite 1998–2012, 2015–2024). Measured by government monitoring stations. Full sources are on the methodology page.

Sylhet, Bangladesh — Air Quality & Clean City Guide 2026

Sylhet Air Quality Data

Global rank	City	Continent	AQI	PM2.5
4896	Sylhet, Bangladesh	Asia	AQI 108	PM2.5 41.1 µg/m³