University of Worcester's pollen forecast and fungal spore forecast for the UK.
Weekly pollen and fungal spore forecast summary
Forecast to 12th September 2025 for West Midlands: Pollen: all pollen types low; Spores: High to Very High.
Grass Pollen Count - Low
Grass pollen risk will remain low for the rest of the season.
Tree Pollen Count - Low
Atlas cedar trees will emit pollen during mild, windy weather over the next couple of weeks. Most people are not allergic to this tree but it's pollen will collect on surfaces as yellow dust.
Fungal Spore Levels - Very High
Peak time for various allergenic spore types: A high to very high risk for Penicillium/aspergillus types, Alternaria, Epicoccum and Cladosporium during warm, dry weather. Leptosphaeria will rise to high in association with rainfall.
Weed Pollen Count - Low
Low amounts of Nettle family pollen, including pellitory-of-the-wall in urban areas.
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