Weekly pollen and fungal spore forecast summary
Forecast to Friday 8th May 2026, for West Midlands forecast region: Pollen: tree pollen moderate; Spores: Moderate.
Grass Pollen Count - Moderate
Grass pollen will be at a generally low risk until mid-May, with a moderate risk thereafter, weather permitting. Grasses release pollen on dry days above 15oC, with higher risk above 17oC.
Tree Pollen Count - Moderate
Oak pollen at a generally moderate risk going into decline from mid-May, low thereafter.
Fungal Spore Levels - Moderate
Pleospora at a moderate risk, especially during warm weather, but this is a milder allergen for most spore sufferers. Leptosphaeria and allies will increase in association with rainfall and high humidity. A moderate risk for Cladosporium from mid-May on dry days >10oC
Weed Pollen Count - Low
Weed pollen will be low, with dock and plantain pollen airborne (mild allergens for some people).
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