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#BritainBreathing is an exciting new citizen science project that aims to engage the UK public to act as 'citizen sensors' to help scientists discover more about seasonal allergies such as hay fever or asthma.

Our new app for 2020 is now available to download for free on both Android and iOS.

Find out more

Be a 'citizen sensor'

You can help us discover what the triggers for seasonal allergies are. All you need to do is enter your allergy symptoms into our free app. Our research team will then use the data to work out what factors are affecting allergies.


Why should you take part?

Learn about allergies

Discover more about the science behind allergies

Monitor your symptoms

Track your allergy symptoms over time

Contribute to research

Get involved to help researchers discover what triggers seasonal allergies

Latest news

First research from #BritainBreathing published

We’re delighted that the first scientific paper from #BritainBreathing has been published in the Journal of the American Medical Informatics Association.  This paper reports on our findings for the first season of #BritainBreathing, which took place in 2016.  Our primary aim during this season was to work out if asking people to submit their allergy […]

#BritainBreathing letter in The Guardian

Following recent media coverage around seasonal allergies, our researcher Dr Sheena Cruickshank wrote a letter to The Guardian on how ‘citizen sensors’ can help scientists to learn of how pollen, weather and pollution interact to trigger allergy symptoms. The letter ‘Hay fever mapping? There’s an app for that…‘ was published on Monday 22 May and you can […]

2017 #BritainBreathing app launched

We’re delighted to announce the launch of our new #BritainBreathing Android and iOS apps to allow people in the UK to track their seasonal allergies, such as hay fever or asthma, while contributing to scientific research. Our newly designed app means it’s now easier than ever to record your allergy symptoms, including how your eyes, […]

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