High levels of pollution expected to clear
Air pollution levels remain high across parts of England and Wales but are expected to reduce later today. The South East and Greater London are still experiencing "high" levels of pollution, Defra warns.
Londoners wear masks amid 'very high' pollution
Masks were seen on the streets of London as air pollution reached "very high" levels in the capital this morning
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Sharp rise in 999 calls as smog smothers parts of UK
Higher numbers of complaints about breathing difficulties are thought to have been brought on by record pollution levels in recent days.
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Saharan dust prompts 'perfect storm' of pollution
Air pollution in the east of England reached the top of the scale as a 'perfect storm' of conditions blanketed parts of the country.
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Picture Gallery: East Anglia under a cloud of smog
Our region is one of the worst-affected by "very high" levels of air pollution today, with much of the East stuck under a cloud of smog.