What is the air quality in Aalborg?

Aalborg, Denmark has an annual US AQI of 51 (Reasonable) and average PM2.5 of 10.5 µg/m³, ranking #868 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Aalborg?

August is typically the cleanest month (AQI 44) and February the most polluted (AQI 58).

Where does Aalborg's air quality data come from?

PM2.5: 1998–2025 (monitors 2008–2014, 2017–2025, satellite 1998–2008, 2014–2016, 2022–2023). Measured by government monitoring stations. Full sources are on the methodology page.

Aalborg, Denmark — Air Quality & Clean City Guide 2026

Aalborg Air Quality Data

Global rank	City	Continent	AQI	PM2.5
868	Aalborg, Denmark	Europe	AQI 51	PM2.5 10.5 µg/m³