Air pollution forecast

Latest forecast

  • Today : Low levels of air pollution are forecast for most places on Wednesday, however some areas of Moderate pollution are expected again, especially in the south of the UK and urban centres.
  • Tomorrow : Air pollution levels are likely to fall to widely Low levels during Thursday, however, isolated pockets of Moderate pollution cannot be ruled out in urban areas.
  • Outlook : Mainly Low air pollution levels are expected Friday to Sunday, but some isolated Moderate areas are possible, mainly in the south of the UK during Friday.

Issued at 21/05/2025 6am

Forecast provided by the Met Office

To find the forecast for a specific location you can search by postcode here as an alternative to using the map.
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Measurement summary data provided by the Environment Agency

Updated at 21/05/2025 10:00

Click a coloured area on the map to view information for a specific region.

Highland North East Scotland Central Scotland Scottish Borders Northern Ireland North West & Merseyside North East Yorkshire & Humberside East Midlands West Midlands South Wales South West South East Eastern Greater London North Wales

Air pollution alerts

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

Summary from 164 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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