View the data showing the detailed air quality and Transport modelling (180kb PDF)​​​​​​​​​​ ​​ ​​​​​​​​Link opens in a new window ​ ​​
Cymerwch olwg ar y data sy’n dangos y gwaith modelu manwl ar ansawdd aer a thrafnidiaeth (977kb PDF)​​​​​​​​​​ ​​ ​​​​​​​​Link opens in a new window ​ ​​