This report addresses the air quality standards for nitrogen dioxide, a pollutant generated through combustion processes. The Expert Panel on Air Quality Standards, established in 1991 to advise the government, presents information on nitrogen dioxide. The gas is formed in a two-stage reaction involving nitrogen and oxygen, initially producing nitric oxide which subsequently oxidizes to nitrogen oxide. This document provides essential air quality data regarding this specific pollutant.

This report is part of a series focused on air pollutants, issued by the Expert Panel on Air Quality Standards. The panel was convened in 1991 to provide expert advice to the government on air quality standards. The document details the formation of nitrogen dioxide through combustion processes and presents relevant air quality information. Its focus is on providing factual data and context for understanding this specific pollutant.