Pollution levels have eased slightly in the south-east but have now increased in the West Midlands, north-west and Merseyside, according to the Department for Environment, Food and Rural Affairs (Defra).
High pollution now in the West Midlands, North West & Merseyside. Improvement from V High to High in the South East. http://t.co/BA1M8OK7C9
Higher numbers of complaints about breathing difficulties are thought to have been brought on by record pollution levels in recent days.
Air pollution in the east of England reached the top of the scale as a 'perfect storm' of conditions blanketed parts of the country.
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.