What is the air quality in Brussels?

Brussels, Belgium has an annual US AQI of 61 (Polluted) and average PM2.5 of 14.9 µg/m³, ranking #2295 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Brussels?

July is typically the cleanest month (AQI 52) and March the most polluted (AQI 69).

Where does Brussels's air quality data come from?

PM2.5: 1998–2026 (monitors 2005–2026, satellite 1998–2004; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Brussels, Belgium — Air Quality & Clean City Guide 2026

Brussels Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2295	Brussels, Belgium	Europe	AQI 61	PM2.5 14.9 µg/m³