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About Pollen in Singapore

Singapore’s year-round allergy season (January-December) is dominated by Grass and Acacia pollen; Elephant Grass (Pennisetum purpureum) common in Bishan-Ang Mo Kio Park; Acacia (Acacia auriculiformis) frequent in Bukit Timah Nature Reserve. Casuarina (Casuarina equisetifolia) produces pollen near Changi Beach Park and Pulau Ubin. Bermuda Grass (Cynodon dactylon) levels are widespread across public housing estates.

High-rise street canyons and dense HDB architecture trap pollen; high humidity prevents dispersion between residential blocks. Indoor environments and damp coastal zones have high Mould (Aspergillus, Penicillium) spore counts; spores thrive in Singapore Botanic Gardens and MacRitchie Reservoir. Rapid rain showers cause sudden spikes in airborne fungal particles.

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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