2013 · Q5
5. Which among the following has been included as a parameter for the first time under the National Ambient Air Quality Standards (NAAQS) based on Central Pollution Control Board and IIT, Kanpur research, WHO guidelines and European Union limits and Practices ?
General KnowledgeCurrent Affairs
- ASulphur dioxide
- BOxides of nitrogen
- COzone
- DCarbon monoxide
Explanation
Ozone was included for the first time under NAAQS; the official key marks C.