What is the air quality in Krefeld?

Krefeld, Germany has an annual US AQI of 61 (Polluted) and average PM2.5 of 14.5 µg/m³, ranking #2246 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Krefeld?

July is typically the cleanest month (AQI 54) and March the most polluted (AQI 71).

Where does Krefeld's air quality data come from?

PM2.5: 1998–2026 (monitors 2024–2026, satellite 1998–2024; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Krefeld, Germany — Air Quality & Clean City Guide 2026

Krefeld Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2246	Krefeld, Germany	Europe	AQI 61	PM2.5 14.5 µg/m³