What is the air quality in Alkmaar?

Alkmaar, Netherlands has an annual US AQI of 55 (Reasonable) and average PM2.5 of 12.2 µg/m³, ranking #1387 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Alkmaar?

July is typically the cleanest month (AQI 49) and March the most polluted (AQI 65).

Where does Alkmaar's air quality data come from?

PM2.5: 1998–2026 (monitors 2017–2026, satellite 1998–2016, 2018; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Alkmaar, Netherlands — Air Quality & Clean City Guide 2026

Alkmaar Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1387	Alkmaar, Netherlands	Europe	AQI 55	PM2.5 12.2 µg/m³