Pollen Count & Forecast for Prague
About Pollen in Prague
Prague’s spring allergy season (March-May) is dominated by Birch and Hazel pollen; Birch (Betula) is prolific in Stromovka and Letná Park; Hazel (Corylus) is common on Petřín Hill slopes. Ash (Fraxinus) contributes significantly from trees along the Vltava River; Summer (June-August) has high Grass (Poaceae) pollen levels, originating from Divoká Šárka and Ladronka Park.
The Vltava river valley traps pollen during temperature inversions; the city’s hilly terrain creates varying concentrations. Autumn and winter see elevated Mould (Alternaria, Cladosporium) spore counts, from decomposing leaf litter in the Kinský Garden and moist soils of the Kunratice Forest.
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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