Hayfever is an allergic response triggered by a sensitivity to plant =
pollens or fungal spores.
The most common form of allergy in the UK. It affects up to 20% of the
population, almost 9 million people.
Only one in 20 hayfever sufferers escape allergic eye problems
altogether, usually those allergic to the pollen of oil-seed rape.
In the UK. The main hayfever starts at the beginning of June and continues
to mid-July or occasionally early August. Hayfever symptoms vary from month
to month depending on which pollens people are allergic to: Feb to May -
hazel, elder and birch pollen; April to May- plane tree pollen; June to
August -grass pollens; August to October mould and fungal spores in damp
weather.
Hayfever sufferers can check the
days pollen risk and the following day's forecast using this link to the BBC
Weather centre.
This pollen index is supplied by the National Pollen and Aerobiology
Research Unit.
The pollen forecasts are made using information from the National Pollen Network, local vegetation, weather patterns in the winter and spring
that influence grass growth, and the weather forecasts. The pollen forecasts can
help hay fever sufferers to plan their activities and medication.