Leicester has become the first city in the world to have its air quality mapped out using an airborne pollution-scanner.
This bird's eye image shows how pollution levels vary across the city.
Images were taken by researchers from the University of Leicester from a survey plane flying 900m above the city's roads, parks, industrial estates and houses.
The European Commission is calling on the government to find a solution to improve air quality.
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It will be a breezy, but still a rather cloudy day across the region with intermittent drizzle possible.
Remaining cloudy but with a freshening southeasterly breeze helping to clear much of the mist and hill fog.
Another cloudy and murky night with extensive low cloud giving hill fog and some patchy light rain or drizzle.