We have published an Air Quality Plan setting out the measures we are taking to improve air quality in Wales and ensure compliance with statutory nitrogen dioxide (NO2) limits.
Rydym wedi cyhoeddi Cynllun Ansawdd Aer sy’n amlinellu’r mesurau rydym yn eu cyflwyno er mwyn gwella ansawdd yr aery ng Nghymru a sicrhau cydymffurfiaeth â therfynau nitrogen deuocsid (NO2) statudol.