СŷÊÓÆµ's pollen forecast and fungal spore forecast for the UK.

Weekly pollen and fungal spore forecast summary

Forecast to 27th June 2025:  Pollen: Peak season for grass and nettle pollen; Spores: High. Please note that this forecast is now only for the West Midlands Region, although similar patterns are likely across many UK regions.

Grass Pollen Count - Very high

 Pollen forecast for grass with a severely high red pollen count.

Peak season. Grass pollen will be at high to very high risk during warm, dry weather.

Tree Pollen Count - Low 

 Pollen forecast for trees with a low green pollen count.

Lime trees are in flower with a generally low risk to a small minority of hay fever sufferers.

Fungal Spore Levels - High

Pollen forecast for spores with a high orange pollen count.

Didymella and several other spore types that peak during warm, humid nights are likely to increase. Cladosporium at a high risk during warm, dry weather. Any rain or showers will allow Leptosphaeria and allies to increase temporarily. Alternaria will also start rising but won't reach the peak just yet.

Weed Pollen Count - High

Pollen forecast for weeds with a high orange pollen count.

 

Peak season. Nettles and plantain are the current weed pollen allergens, emitted during warm, dry weather. 

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