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Pollen forecast

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

Summary and Weekly Synopsis

Spore risk moderate over weekend increasing to high southern and central regions as showery weather returns early in the week. Pollen low

This forecast was last updated on 2nd October 2015.


Tree Pollen - Low

The tree pollen risk is now low. Cedar pollen is now producing pollen affecting a small minority of sufferers



Grass Pollen - Low

The grass pollen risk will be low all regions until next summer.

Fungal Spore - High

Initially the settled airstream will give a moderate spore risk generally. Milder nights and wetter conditions from early in the week will allow a higher risk. The main types airborne will be Aspergillus/Penicillium types and Basidiospores which are now peaking but many other allergenic types will also be airborne at times.

For more information on fungal spore allergy click here

Weed Pollen - Low

The weed pollen risk will be low all regions until next summer.

Other information

Oilseed rape (Brassica napus) pollen can cause hay fever in a small number of sufferers but Volatile Organic Compounds (VOCs) given off by the crop can cause irritation of the upper respiratory tract and eyes in some people in close proximity to the crop.

For more information on the role of fungal spores in allergy, click here.

For more information on the role of pollen in allergy please see the following pages:

Further Information

Further information on this service can be obtained from Beverley Adams-Groom on 01905 855411.

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

Daily forecasts are issued from the middle of March to the end of September. Tree pollen forecasts are issued in late spring (late March to Mid May). Grass pollen forecasts are issued from late May to August. Weed pollen forecasts are issued from July to the end of May. Fungal spore forecasts are available from the University of Worcester from September to early November. Please contact Beverley on the number above for details.

Daily 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 amount of pollen produced.