Latest forecast

  • Today : Air pollution levels are expected to remain Low across much of the UK, perhaps very locally reaching Moderate levels in larger urban areas in the South.
  • Tomorrow : Air pollution levels should remain mostly Low, however Moderate levels are likely to develop in parts of southern and southwestern Britain.
  • Outlook : While the northern half of the UK should retain Low air pollution levels, the southern half should see more widespread Moderate air pollution develop through this three-day period.

Issued at 21/06/2026 6am

Forecast provided by the Met Office

Measurement summary data provided by the Environment Agency

Updated at 21/06/2026 17:00

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There are currently no air pollution alerts issued. This page will update with information about alerts when issued.

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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