The current weather conditions have led to a significant rise in smog levels around London. Parts of east London have been recorded at 'very high'.
Take a look at the figures in full from Defra here.
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Turning cloudy and windy but feeling mild at the weekend.
The Ukip leader also says his children his hid in a graveyard and were brought back by police.
Here's a borough-by-borough breakdown of the official figures.