Pollen Count & Forecast for Chengdu
About Pollen in Chengdu
Chengdu’s spring allergy season (March-May) is dominated by Willow and Chinese Wingnut pollen; Willow (Salix) prolific along the Jinjiang River; Chinese Wingnut (Pterocarya stenoptera) widespread in People’s Park. Cypress (Cupressus) contributes significantly from the Longquan Mountains. Summer (June-August) sees high Grass (Poaceae) and Mugwort (Artemisia) pollen levels, originating from Huanhuaxi Park and Qingyang Palace gardens.
The Sichuan Basin topography traps air masses and limits pollen dispersal, leading to high particulate concentrations. Autumn and winter see elevated Mould (Alternaria, Cladosporium) spore counts, from decomposing leaf litter in bamboo groves and damp city environments.
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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