Baden-Württemberg has 195, North Rhine-Westphalia 132.

Baden-Württemberg has 195, North Rhine-Westphalia 132.This is pollen from certain conifers, for example the pine. Their trees usually bloom in May and June, species in higher altitudes also in July, explains Christina Endler from the DWD. After all, they have good news for allergy sufferers: Pine trees have only a...