Pollen forecast

Dandelion clocks are a common sight in spring

We manage the only pollen count monitoring network in the UK using information from our network, our weather data and expertise from other organisations to produce forecasts that help support allergy and hay fever sufferers through the most difficult time of the year.

The Pollen season has now ended and the forecast will return in March 2017.

Pollen will return

The pollen season separates into three main sections:

  1. Tree pollen - late March to mid-May.
  2. Grass pollen - mid-May to July.
  3. Weed pollen - end of June to September

Our forecast is based on this detailed breakdown of the different types of pollen and their peak times within a season.

We manage the only pollen count monitoring network in the UK using information from our network, our weather data and expertise from organisations such as the National Pollen and Aerobiological Unit and PollenUK to produce forecasts that help support allergy and hay fever sufferers through the most difficult time of the year.

The above weather map shows you exactly how pollen is behaving in your area right now, by combining official Met Office data, social activity and live pollen alerts from fellow sufferers.

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Pollen count calendar

The pollen calendar below shows an average pattern of release of the main allergenic pollen in the UK. The severity and timing of the pollen seasons will differ from year-to-year depending on the weather, biological factors and geographical location.

Pollen Calendar Infographic

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Last updated: 21 September 2016

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