We supply and produce the pollen forecast for the UK in conjunction with the Met Office.

Weekly pollen forecast and summary

Forecast for 15th to 21st August 2020: Pollen: Moderate to high risk for weeds. Fungal spores moderate to high.

Grass Pollen Count - Low

Grass pollen is in terminal decline and the risk will be low in all regions. New regional pollen calendars are now available

Tree Pollen Count - Low


Tree pollen types have now finished flowering. 

Fungal Spore Levels - High

It is peak season for a wide range of fungal spore types, with a high risk in England and Wales and a moderate risk in Scotland and Northern Ireland. Dry, warm weather will see a high risk from Alternaria, Cladosporium and Epicoccum, while warm and humid conditions will elevate amounts of Didymella and Basidiospores. Visit our fungal spore webpage for more info.

Weed Pollen Count - High

Weed pollen at a high risk in England and Wales during warm, dry weather with a moderate risk elsewhere. Weed pollen affects around 20% of hay fever sufferers. Current main weed allergens: nettle, pellitory-of-the-wall, fat hen, mugwort, plantain. 

Further Information

For more information about this service please contact Dr Beverley Adams-Groom on 01905 855411 or via email.

Pollen forecasts are available on a regional basis to cover the whole of the UK including Northern Ireland and the Republic of Ireland. They can also be provided in detail for individual regions.

Daily pollen and spore forecasts are issued from mid-March to early October

Daily pollen forecasts are featured in newspapers, on radio, on television and various web pages.

All the forecasts are based on information from the quality controlled data produced by the National Pollen Monitoring Network, combined with the information from weather forecasts, local vegetation and typography types and information about biological factors and the weather in the preseason period that influences the pollen count.

Science at Worcester

If you are interested in the science behind the pollen forecast, you may be interested in our science degrees. We also offer tours of our Pollen Labs as part of our Open Days.