Latest forecast

  • Today : Southern and central parts of the UK are likely to see Moderate air pollution away from coastal districts, with little wind to disperse locally-generated pollutants. Northern parts of the UK should retain Low air pollution levels.
  • Tomorrow : The focus of areas of Moderate air pollution should transfer to parts of western and central UK in the continuing fine and hot weather conditions, with light winds.
  • Outlook : Air pollution levels should gradually fall in this period to become predominantly Low, as fresher conditions make inroads from the west into the new week.

Issued at 11/07/2025 1am

Forecast provided by the Met Office

Measurement summary data provided by the Environment Agency

Updated at 11/07/2025 10:00

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Summary from monitoring sites.

Generated at

Number of monitoring sites in each pollution band. Values are based on pollution level measured for the latest hour and are provisional.
Pollution Band Number of Sites

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