University of Worcester's pollen forecast and fungal spore forecast for the UK.
Weekly pollen and fungal spore forecast summary
Forecast to 28th March 2025: Pollen: tree pollen moderate; Spores: Aspergillus moderate/high.
Grass Pollen Count - Low
Grass pollen season will begin in April or May.
Tree Pollen Count - Moderate
Alder pollen will drop off to moderate. Birch pollen season is expected to start in early April. However, a few trees are responding to the warm weather and will issue some pollen before then, although the general risk for birch will be low during this forecast period. Low amounts of ash and elm pollen will also be airborne.
Fungal Spore Levels - High
Aspergillus types will peak during this period in dry weather. Pleospora will also be airborne during mild, dry weather.
Weed Pollen Count - Low
Weed pollen season will begin in April or May.
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