Air Quality Expert Group

The AQEG provides independent scientific advice on air quality to Defra, in particular the air pollutants contained in the Air Quality Strategy (AQS) for England, Scotland, Wales and Northern Ireland and those covered by the EU Directives on Ambient Air Quality.

The Air Quality Expert Group (AQEG) gives advice on levels, sources and characteristics of air pollutants in the UK. It does not advise on health impacts or air quality standards.

Terms of reference

The group’s functions are to:

  • provide advice to, and work collaboratively with officials and key office holders in Defra and the devolved administrations, other delivery partners and public bodies and EU and international technical expert groups
  • report to Defra’s Chief Scientific Adviser (CSA)
  • support the CSA as appropriate during emergencies
  • contribute to developing the air quality evidence base by analysing, interpreting and synthesising evidence
  • provide judgements on quality and relevance of evidence base
  • suggest priority areas for future work and advise on Defra’s implementation of the air quality evidence plan (or equivalent)
  • give advice on current and future levels, trends, sources and characteristics of air pollutants in the UK
  • provide independent advice and operate in line with the government’s Principles for Scientific Advice and the Code of Practice for Scientific Advisory Committees (CoPSAC)


Expert committee members are independent appointments made through open competition, in line with Office of the Commissioner for Public Appointments (OCPA) guidelines on best practice for making public appointments. Members are expected to act in accord with the principles of public life.

You can read the Details of our members (PDF, 130KB, 7 pages) and Register of interests (PDF, 142KB, 8 pages) .


For details of our publications, see UK-Air webpages.


You can request minutes of our meetings via our email contact address.

Contact details