Pollen Count & Forecast for Nagoya
About Pollen in Nagoya
Nagoya’s spring allergy season (February-April) is dominated by Cedar and Cypress pollen; Japanese Cedar (Cryptomeria japonica) prolific in Shidami Forest Park and the Moriyama-ku hills; Japanese Cypress (Chamaecyparis obtusa) concentrated around Higashiyama Park and eastern forest corridors. Late spring and summer have high Grass (Poaceae) levels; pollen originates from Shonai River banks and Meijo Park.
The Nobi Plain geography traps allergens in urban centers; seasonal winds transport pollen from the Suzuka and Kiso mountain ranges. Humid summers and damp autumns see elevated Mould (Alternaria, Cladosporium) counts; spores are frequent near the Hori Stream and decaying organic matter in Tsuruma Park.
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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