Many of us don't give much thought to the air that we breathe, but scientists from the University of Leicester are doing just that to learn how pollution affects us.
In a world-first experiment they've mapped the whole of the city by plane, to see how fumes and emissions are carried around. They hope the work will mean we can lead cleaner, healthier lives. Chris Halpin reports.
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All Saints Church in Kings Heath, Birmingham, has much community involvement, especially this year.
Any early showers will die away leaving most of the evening and night dry with clear spells.
Isolated showers will largely die away and winds will decrease.