We produce and supply the pollen forecasts for the UK in conjunction with the Met Office.
Summary and Weekly Synopsis
The spore risk will be generally low but still some types around to trigger occasional symptoms in some sufferers. The pollen risk will remain low.
This forecast is updated every Friday or more often if necessary: Last update: 6 December 2013.
Tree Pollen - Low
The tree pollen risk be low until the hazel trees start emitting pollen in the late Winter.
Grass Pollen - Low
The grass pollen risk is now very low and will remain that way until next Spring.
Fungal Spore - Low
Although many spore types are now in decline there are still a few airborne such as basidiospores (from mushrooms toadstools and bracket fungi) Aspergillus/penicillium types, Sporobolomyces, Tilletiopsis, and a range of ascospores. The risk will be mainly low but people who are sensitive to these remaining types may nevertheless get some symptoms.
Weed Pollen - Low
The weed pollen risk is now very low and will remain that way until next Spring.
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.
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 also available on a daily basis from September to the end of November.
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.