Season 2016:


Most grasses are reaching the end of their bloom period. 17 grass pollen grains per m³/air were collected in Brussels on Tuesday.

High densities of allergenic fungal spores of the genus Alternaria and Cladosporium occur in the air during the summer months. For Cladosporium, 3000 spores per m³ are enough to induce respiratory problems in sensitized persons.



Good to know:

* Individual sensitivity may vary a lot. It is reported in literature that from 50 grass pollen grains per m³, all sufferers sensitized to this type of pollen will experience allergy symptoms.


* A few useful recommendations for people sensitized to grass pollen :

-Follow rigorously your treatment

-Avoid outdoor activities

-Do not dry your linen outside

-Wear sun glasses

* Information about other European countries is available at