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Polluted city skyline

Breathe London Wearables

A comprehensive study of London air quality with Dyson technology

A Dyson-designed backpack with built-in air quality sensors

The results

Kings College London used the device as part of a study involving 250 children to understand daily exposure to pollutants including PM2.5 and NO2 on the school run. As a result of the study, 31% of children changed the way they commute to and from school, to reduce their exposure to air pollution.

  • City Hall is taking action to tackle air pollution, with the most comprehensive study of London air quality to date. Thanks to our expertise, King's College London has awarded Dyson the exciting opportunity to engineer purpose-built technology for the study.

Schoolchildren grinning and laughing

A clearer future

Children take 17-30,000 breaths a day. Their lungs are still developing, which makes them vulnerable to air pollution. City air can contain potentially harmful pollutants – including nitrogen dioxide and PM2.5.

That’s why this study is so vital. It will help us monitor exactly what our children are exposed to, to inform effective solutions.

Common pollutants found in cities

  • PM2.5
    Microscopic particles from industrial emissions and burning wood. They can penetrate deep into the respiratory system. 

  • PM10
    Potentially harmful pollen and allergens.

  • Nitrogen dioxide
    Found in high concentrations near roadways.

The Dyson Pure Hot+Cool purifying fan heater in a room with sources of indoor air pollution, includin a gas stove and cleaning sprays

Pollutants aren’t just a problem outdoors

Dyson whole-room purifiers use the same intelligent sensing technology to detect indoor particles and gases.

Our purifying fans react automatically, drawing air through an advanced filtration system. They capture pollutants and project purified air throughout the room.