National Statistics

Air quality statistics

An annual update on concentrations of major air pollutants in the UK.


Air quality statistics in the UK 1987 to 2017

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This publication summarises the concentrations of major air pollutants as measured by the Automatic Urban and Rural Network (AURN). This release covers annual average concentrations in the UK of:

  • particulates (PM10 and PM2.5)
  • nitrogen dioxide (NO2)
  • ozone (O3)

The release also covers the number of days when air pollution was ‘moderate or higher’ for any one of five pollutants listed below:

  • particulates (PM2.5)
  • nitrogen dioxide (NO2)
  • ozone (O3)
  • particulates (PM10)
  • sulphur dioxide (SO2)

The datasets associated with this publication can be found here ENV02 - Air quality statistics.

For additional information on concentrations of air pollutants visit UK-AIR.

Defra statistics: environment

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Published 23 April 2014
Last updated 26 April 2018 + show all updates
  1. Annual figures released
  2. New release with figures up to 2016 published.
  3. Annual update.
  4. new figures for 2014 published
  5. Annual update to publication.
  6. First published.
  7. Air quality statistics - 2012 data published.
  8. Addition of the Pre-release announcement published February 2013.