Blue and Green: Weeks of low pressure bringing pollution from across the country to the southeast of England has led the Met Office to issue a health alert to vulnerable people such as elderly and children.
The warning has been issued for Thursday in the southeast, with moderate levels of air pollution expected on Friday as well. The situation should be back to normal by the weekend or on Monday next week.
The Department for Environment, Food and Rural Affairs said in a statement, Moderate levels of air pollution...