A postage stamp-sized paper air sensor stuck on the back of a smartphone could help Londoners gather vital data in the fight against air pollution.
A team of PhD students from Imperial College has developed OpenSense, a cheap sticker that can measure deadly airborne exhaust gases.
The paper has a pollution-sensitive sensor inside and is stuck on the back of a smartphone, which powers it.
Data soaked up by the sensor is sent to an app in the phone to be matched to its location tracking.
Imperial’s Max Grell, Michael Kasimatis and Giandrin Barandun, all cyclists in the capital, hope that if thousands of Londoners put a sticker on their phone it would give a much better picture of pollution hotspots.
It comes after the London launch of The Breath, a construction material that its Italian creator Anemotech claim can reverse the effects of air pollution.
