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Aerial view of a city

Dyson investigates air quality

Using Dyson's prototype air quality backpack, we're investigating the quality of the air we breathe in cities around the world.

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Cars lined up on a motorway

A global project, investigating one problem

From journalists to parents and fitness experts, the project is equipping individuals in cities with our air quality backpack. As they go about their normal routines, the backpack collects air quality data – helping us to understand how pollution levels change as we go about our daily lives.

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The backpack with an image showing the technology inside it

Dyson's prototype air quality backpack

Dyson engineers have been researching clean air technologies for over two decades. Using their advanced knowledge, they reworked the sensing technology in our purifiers – making it smaller, lighter and more portable.

Three sensors use unique algorithms to process data. The first measures temperature and humidity. The second detects gases such as Nitrogen Dioxide (NO₂). And the third uses lasers to detect PM2.5 and PM10. This data is combined with information gathered from the on-board GPS to create reports on air quality.

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Common pollutants found in cities

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PM2.5

Microscopic particles from industrial emissions and burning wood.

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PM10

Potentially harmful pollen and allergens.

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Nitrogen Dioxide (NO₂)

Found in high concentrations near roadways.