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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 2017 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

#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, […]

#BritainBreathing – an update

It is now a year since #BritainBreathing first launched and we wanted to update you on what we have learnt from your data in this first year and what our plans are now for the future. First of all, a huge thank you to everyone who took part in #BritainBreathing in 2016. In our first […]

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