University of Worcester's pollen forecast and fungal spore forecast for the UK.
Weekly pollen and fungal spore forecast summary
Forecast to 19th 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 are currently releasing pollen at a low risk. This type is not a problem for most people but the high amounts of pollen released leaves yellow residues on surfaces near to these trees.
Fungal Spore Levels - Very High
A high to very high risk for Aspergillus/penicillium types, with the highest risk during sunny weather above 13oC. Epicoccum continues in peak season, while Cladosporium and Alternaria will continue during warm, dry weather above 17oC. Leptosphaeria will rise to high in association with rainfall. Basidiospores from mushrooms are now entering peak period.
Weed Pollen Count - Low
Weed pollen risk will remain low for the rest of the season.
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