The pollen count is set to be high throughout the week in Oxfordshire.
The Met Office has forecast a high pollen count for today, Wednesday, Thursday and Saturday.
The pollen count on Friday is set to be at a moderate level.
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The three types of pollen which aggravate symptoms the most are: tree pollen, grass pollen and ragweed pollen.
Tree pollen count levels are expected to be high until Friday, whereas grass pollen levels will only be moderate.
Ragweed pollen count levels will remain low in Oxfordshire.
Hay fever can start to become particularly bad at this time of year and is an allergy which is caused by the release of pollen grains, and the pollen season typically runs from March to November.
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