Investigatory Studies on Pattern in Enhancement in Fine Particulate Matter in the Delhi during winters

Abstract

Smog is a harmful mixture of fog, smoke, dust and air pollutants such as nitrogen oxides, volatile organic compounds etc. Ground ozone can cause distressing health effect. Smog is a complex atmospheric pollutant mixture consisting of ozone, a pollutant with adverse effects on human health, vegetation, and materials; other eye-irritant and phytotoxic pollutants (such as aldehydes and peroxyacetyl nitrates); nitrogen dioxide (cause of the “whiskey-brown” color in the Los-Angeles atmosphere); and fine particles that cause adverse health effects, reduce visibility, and cause the “brown cloud” phenomenon. Photochemical smog is produced by vehicular emission mainly. Here we are discussing chemistry of formation of PAN (Peroxyacetyl nitrate), its impact environment & human health.