A NSW Government website

Air quality annual reports

 
On the 26 June 1998 the National Environment Protection Council (NEPC), consisting of Commonwealth, State and Territory Ministers, made the Measure on Ambient Air Quality (hereafter referred to as...
Levels of nitrogen dioxide, sulfur dioxide and carbon monoxide easily met national standards.Ozone levels improved compared with 2017, meeting the national standards on 98% of all days....