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

Weekly pollen forecast and summary

Forecast for 28th March to 3rd April 2020: Pollen: low to moderate tree pollen risk, spores low to moderate

Tree Pollen Count - Moderate

Pollen forecast for trees with a moderate yellow pollen count.

We have had some birch and ash pollen around in south and central regions over the last few days but this week the risk will often be low due to cold weather. The main birch pollen peak likely from 4th April in south/midlands, 7th April in north Wales, north England, N. Ireland and from mid-April in Scotland. New regional pollen calendars are now available on our website

Grass Pollen Count -  Low

 Pollen forecast for grass with a low green pollen count.

No grass pollen at present. The season will start in late April or in early May.

Fungal Spore Levels - Moderate

Pollen forecast for spores with a moderate yellow pollen count.  

Pleospora will be at a low to moderate risk, greatest during dry, sunny weather. All other types currently low. New fungal spore information including spore calendars for the main allergens has been added to our website

Weed Pollen Count - Low

Pollen forecast for weeds with a low green pollen count.

No weed pollen at present. The season will start in late April or in early May.


Further Information

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

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 forecasts are issued from the middle of March to the end of August. 

Fungal spore forecasts are available from the University of Worcester from September to early October. Please contact Beverley on the number above for details.

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.