Pollen Count & Forecast for Freiburg
About Pollen in Freiburg
Freiburg’s spring allergy season (February-May) is dominated by Hazel and Alder; Hazel (Corylus) widespread near the Dreisam; Alder (Alnus) prolific in the Mooswald forest. Birch (Betula) contributes significantly from the Schlossberg and Black Forest slopes. Summer (May-August) sees high Grass (Poaceae) pollen levels, originating from Rhine valley meadows.
The Rhine rift valley traps warm air; the Höllentäler mountain breeze brings pollen from the high peaks into the city center. Autumn and winter see high Mould (Alternaria, Cladosporium) spore counts, from decomposing leaf litter in the Colombipark and Mundenhof areas.
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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