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

Weekly pollen forecast and summary

Forecast for 19th to 25th September 2020: Pollen: all low. Fungal spores moderately high, moderate Scotland & N.Ireland.

Grass Pollen Count - Low

Grass pollen is now low everywhere. New regional pollen calendars are now available

Tree Pollen Count - Low


Tree pollen risk low. Cedar (Cedrus spp) pollen airborne, posing some risk to a small minority of hay fever sufferers.

Fungal Spore Levels - High

Fungal spore risk moderate to high but moderate in Scotland. During dry, sunny weather the main types will be Alternaria, Epicoccum, Penicillium and Basidiospores, with some Aspergillus. Later in the week, showers will allow some ascospores to appear and the other types will reduce to moderate or low. Cladosporium is in decline, at low to moderate risk. Visit our fungal spore webpage for more info.

Weed Pollen Count - Low

Pollen forecast for weeds with a low green pollen count.

Weed pollen now low everywhere. 

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.