The birch (Betula) pollen season is gradually coming to an end. Airborne concentrations nevertheless remain variable across regions. They are still higher in the south-east of the country, while a downward trend is confirmed in Brussels. Allergy sufferers are advised to remain vigilant for a few more days and to continue following their doctor's recommendations.

Due to the ongoing strike at Bpost, the transport of samples is experiencing delays. As a result, the publication of results may be postponed. The results will be published as soon as the affected samples have been received and analyzed. Thank you for your understanding.