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About Pollen in Bruges

Bruges’ spring allergy season (March-May) is dominated by Birch and Ash pollen; Silver Birch (Betula pendula) prolific along the Vesten ramparts; European Ash (Fraxinus excelsior) widespread in Koning Albert I-park. Oak (Quercus) contributes significantly from Tillegembos forest. Summer (May-July) sees high Grass (Poaceae) pollen levels, originating from fields near Baudouin Canal and Minnewaterpark.

Narrow cobblestone streets and canals trap pollen, leading to localised high concentrations. Autumn and winter see elevated Mould (Alternaria, Cladosporium) spore counts, from decaying organic matter in damp canals and urban parklands.

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What Pollen Levels Mean
LOW Symptoms are unlikely
MED Moderate risk of symptoms
HIGH Widespread symptoms likely
V.HI Expect significant symptoms
X.HI Extremely high symptom likelihood & severity