Hysbyswyd yr Aelodau fod 5 o leoliadau ar ein rhwydwaith traffyrdd a chefnffyrdd a oedd yn torri'r terfyn cyfreithiol ar gyfer nitrogen deuocsid (NO2) - yr A494 yng Nglannau Dyfrdwy; yr A483 ger Wrecsam; yr M4 rhwng cyffordd 41 a chyffordd 42, Port Talbot; yr M4 rhwng cyffordd 25 a chyffordd 26, Casnewydd; a'r A470 rhwng Glan-bad a Phontypridd.
Members were informed across Wales there are 5 locations on our motorway and trunk road network that exceed the legal limit for nitrogen dioxide (NO2) - A494 at Deeside; A483 near Wrexham; M4 between junctions 41 and 42, Port Talbot; M4 between junctions 25 and 26, Newport; and A470 between Upper Boat and Pontypridd.