Map shows Leicester's pollution

Results from a new pollution-scanning device shows how polluted Leicester is. A bird's eye image, taken by researchers from the University of Leicester, shows how pollution levels differ across the city.

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Explanation of world first experiment to map Leicester's air quality

Project leader Dr Roland Leigh, of the Earth Observation Science group, explains to ITV News Central reporter Chris Halpin how the specially adapted Spectrometer mapped air quality around Leicester.

The device gave a reading for Nitrogen Dioxide (NO2) levels between the ground and the plane - which was flying at around 900m.

Each reading corresponds to an area of 6 metres by 100 metres at ground level.

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