We and the ONS have since made progress on three of the six projects outlined in the workplan, with work on the remaining three projects scheduled to take place once the first projects are complete.
Yn ogystal, rydym wedi ystyried hynt y gwaith ers cyhoeddi'r Cynllun Aer Glân ac wedi llunio adroddiad diweddaru am y gwaith a wnaed ar y camau gweithredu.