Collection

COMEAP: reports and statements

Reports and statements from the Committee on the Medical Effects of Air Pollutants (COMEAP).

• From: UK Health Security Agency
• Published: 17 April 2014
• Last updated: 18 December 2025 — See all updates

The Committee on the Medical Effects of Air Pollutants (COMEAP) advises on all matters concerning the health effects of air pollutants.

Annual reports

• COMEAP annual report 2024
  • 2 October 2025
  • Research and analysis
• COMEAP annual report 2023
  • 25 November 2024
  • Research and analysis
• COMEAP annual report 2022
  • 15 June 2023
  • Research and analysis

Reports

• Air pollution: effects on adverse birth outcomes
  • 20 November 2025
  • Research and analysis
• Air pollution: cognitive decline and dementia
  • 25 July 2022
  • Research and analysis
• Air pollution and cardiovascular disease: mechanistic evidence
  • 22 October 2018
  • Research and analysis
• Long-term exposure to air pollution: effect on mortality
  • 22 August 2018
  • Research and analysis
• Mortality effects of long-term exposure to air pollution in the UK
  • 22 August 2018
  • Research and analysis
• Nitrogen dioxide: effects on mortality
  • 22 August 2018
  • Research and analysis
• COMEAP: long-term exposure to air pollution and chronic bronchitis
  • 5 April 2016
  • Research and analysis
• COMEAP: quantification of mortality and hospital admissions associated with ground-level ozone
  • 1 October 2015
  • Research and analysis
• COMEAP: review of the UK air quality index
  • 22 June 2011
  • Research and analysis
• COMEAP: cardiovascular disease and air pollution
  • 1 February 2006
  • Research and analysis

Statements

• COMEAP: Response to AQEG report on indoor air quality
  • 18 December 2025
  • Research and analysis
• Estimating health effects of PM2.5 and NO2 indoors
  • 18 December 2025
  • Research and analysis
• COMEAP: shape of the concentration-response curve linking PM2.5 with all-cause mortality
  • 2 October 2025
  • Research and analysis
• COMEAP: Statement on airborne nano- and microplastic particles and fibres
  • 2 October 2025
  • Research and analysis
• Advice given to the Air Quality Information System (AQIS) review Steering Group
  • 10 June 2025
  • Research and analysis
• Air pollution: link with COVID-19 infection and adverse outcomes
  • 6 September 2023
  • Research and analysis
• Particulate air pollution: health effects of exposure
  • 27 July 2022
  • Guidance
• Particulate air pollution: quantifying effects on mortality
  • 16 March 2022
  • Research and analysis
• Air pollution: quantifying effects on hospital admissions
  • 16 March 2022
  • Research and analysis
• Air pollutants: quantification of associated health effects
  • 8 September 2023
  • Research and analysis
• Non-exhaust particulate matter from road transport: health effects
  • 16 September 2020
  • Research and analysis
• Particulate air pollution on London Underground: health effects
  • 9 January 2019
  • Research and analysis
• Particulate air pollution: effects on mortality
  • 16 March 2022
  • Research and analysis
• Nitrogen dioxide: interim view on long-term average concentrations and mortality
  • 22 August 2018
  • Research and analysis
• Nitrogen dioxide: health effects of exposure
  • 12 March 2015
  • Guidance

Advice notes and responses

• COMEAP statement: response to WHO Air quality guidelines 2021
  • 27 July 2022
  • Research and analysis
• COMEAP advice note: Environment Act PM2.5 targets
  • 27 July 2022
  • Research and analysis
• Fine particulate air pollution (PM2.5): setting targets
  • 16 March 2022
  • Guidance

• Last updated: 18 December 2025
  Show all updates

  1. 18 December 2025

     Added statements 'Estimating health effects of PM2.5 and NO2 indoors' and 'Response to AQEG report on indoor air quality'.

  2. 20 November 2025

     Added report 'Air pollution: effects on adverse birth outcomes'.

  3. 2 October 2025

     Added link to 'COMEAP: shape of the concentration-response curve linking PM2.5 with all-cause mortality'.

  4. 2 October 2025

     Added 'Statement on airborne nano- and microplastic particles and fibres', annual report 2024 and 'Air pollution: effects on adverse birth outcomes'.

  5. 18 March 2025

     Added "Advice given to the Air Quality Information System (AQIS) review Steering Group".

  6. 25 November 2024

     Added 2023 annual report.

  7. 6 September 2023

     Added 'Air pollution: link with COVID-19 infection and adverse outcomes'.

  8. 15 June 2023

     Added 2022 annual report.

  9. 27 July 2022

     Added links to latest statements and advice notes.

  10. 27 July 2022

      Added latest update to 'Particulate air pollution: health effects of exposure'.

  11. 26 July 2022

      Added Air pollution: cognitive decline and dementia.

  12. 16 March 2022

      Added 'Particulate air pollution: quantifying effects on mortality'.

  13. 16 March 2022

      Added 'Air pollution: quantifying effects on hospital admissions' to statements.

  14. 15 July 2021

      Added Advice notes section.

  15. 19 October 2020

      Added 'Air pollutants: quantification of associated health effects'.

  16. 16 September 2020

      Added 'Non-exhaust particulate matter from road transport: health effects'.

  17. 9 January 2019

      Added 'Particulate air pollution on London Underground: health effects' to the 'statements' section.

  18. 22 October 2018

      Added 'Air pollution and cardiovascular disease: mechanistic evidence' to the reports section.

  19. 22 August 2018

      Added 'Nitrogen dioxide: effects on mortality' and 'Particulate air pollution: effects on mortality'.

  20. 5 April 2016

      Added 'Long-term exposure to air pollution and chronic bronchitis' report.

  21. 15 December 2015

      Added December 2015 statement on nitrogen dioxide.

  22. 1 October 2015

      Added ground-level ozone report.

  23. 12 March 2015

      Updated to include statements on 'Particulate air pollution: health effects of exposure' and 'Nitrogen dioxide: health effects of exposure'.

  24. 17 April 2014

      First published.