Showery outbreaks of rain will persist overnight across northern England and much of Scotland.
Misty and murky conditions will be forming out toward the North Sea coast, and we are still pulling up that polluted air from the south-east.
Things will be changing overnight, however - a south-westerly air flow will feed in much cleaner, fresher air.
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.