We want your views on proposals for targets in relation to fine particulate matter (PM2.5).
Consultation description
We are consulting on draft regulations to implement stricter fine particulate matter air quality targets.
The targets are:
- reducing annual mean concentrations of PM2.5 in ambient air to a level of 10 microgrammes per cubic metre by 31 December 2035
- reducing average population exposure by 25% by 31 December 2035.
Consultation documents
Consultation document , file type: PDF, file size: 1 MB
PDF
1 MB
If you need a more accessible version of this document please email digital@gov.wales. Please tell us the format you need. If you use assistive technology please tell us what this is.
The Air Quality Targets (Fine Particulate Matter) (Wales) Regulations 2026 , file type: PDF, file size: 322 KB
PDF
322 KB
If you need a more accessible version of this document please email digital@gov.wales. Please tell us the format you need. If you use assistive technology please tell us what this is.
Annex A: Advice Note: Development of New PM2.5 Air Quality Targets for Wales, Clean Air Advisory Panel, November 2025 , file type: PDF, file size: 223 KB
PDF
223 KB
If you need a more accessible version of this document please email digital@gov.wales. Please tell us the format you need. If you use assistive technology please tell us what this is.
Annex B: Evidence to support the development of PM2.5 target proposals in Wales, Ricardo, 2025 , file type: PDF, file size: 4 MB
PDF
4 MB
If you need a more accessible version of this document please email digital@gov.wales. Please tell us the format you need. If you use assistive technology please tell us what this is.
Help and support
For more information about this consultation e-mail airqualitypolicy@gov.wales
How to respond
Submit your comments by 16 February 2026, in any of the following ways:
Online form
Post
Download the response form.
Complete and return to:
Air Quality Evidence, Monitoring and Assessment Branch
Environmental Protection Division
Welsh Government
Cathays Park
Cardiff
CF10 3NQ