University of Worcester's pollen forecast and fungal spore forecast for the UK.

Weekly pollen and fungal spore forecast summary

Forecast to 23rd May 2025:  Pollen: Grass pollen airborne from early flowering species; Spores: Low/Moderate. Please note that this forecast is now only for the West Midlands Region.

Grass Pollen Count - Moderate

 Pollen forecast for spores with a moderate yellow pollen count.

Grass pollen from early-flowering species (sweet vernal and meadow foxtail) is currently airborne during good weather, triggering some symptoms in those susceptible to these types. The main pollen season will occur in June.

Tree Pollen Count - Low 

 Pollen forecast for trees with a low green pollen count.

Tree pollen is now very low risk. 

Fungal Spore Levels - Moderate

Pollen forecast for spores with a moderate yellow pollen count.

Pleospora will be airborne during mild, dry weather remaining in peak season. Cladosporium will also be airborne. Other types will be generally low.

Weed Pollen Count - Low

Pollen forecast for weeds with a low green pollen count.

Plantain is now in flower at a low risk.

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