• Today : Air pollution levels are expected to be Low for much of the UK, particularly in Scotland and Northern Ireland. However, settled weather and light winds in parts of England and Wales may mean that locally-generated pollutants fail to disperse, giving areas of Moderate air pollution.
  • Tomorrow : Air pollution levels should be Low across the majority of the UK, with parts of southwestern Britain perhaps most likely to see local Moderate levels.
  • Outlook : Air pollution levels should remain generally Low through this period, perhaps locally Moderate.

Issued at 20/04/2021 1am


Forecast provided by the Met Office


Measurement summary data provided by the Environment Agency

Updated at 20/04/2021 13:00


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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.

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