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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D-Day veterans from the West Midlands were given France's highest honour today, 18 months after a pledge to award every living soldier.
Dry for much of the Wednesday with possible brighter spells in the east. Outbreaks of rain will spread southwards later in the day.
Wednesday will be another rather cloudy and mild day. Although dry for most the odd spot of drizzle is possible, mainly over high ground.