Pollen allergy is a common problem in Arnhem, Netherlands. It happens when the body reacts to pollen in the air. Pollen is tiny particles from plants.
There are different types of pollen that cause allergies. Trees, grass, and weeds produce pollen. In Arnhem, tree pollen is a problem from March to May.
Grass pollen is a problem from May to July. Weed pollen is a problem from July to September. These are the main pollen seasons in Arnhem.
When pollen counts are high, it's best to stay indoors. Keep windows and doors closed. Use air conditioning to filter the air.
When pollen counts are high, we suggest doing these things to help with allergies, especially on windy days when pollen is flying around.