Air quality status during Diwali festival of India: a case study.

摘要

The PM_2.5 and PM₁₀ samples were collected during Diwali celebration from study area and characterized for ionic concentration of four anions (NO₃-, NO₂-, Cl-, SO₄2-) and five cations (K+, Mg2+, NH₄+, Ca2+, Na+). The results showed that the ionic concentrations were three times compared to those on pre and post Diwali days. Predominant ions for PM_2.5 were K+ 33.7 micro g/m3, Mg+ 31.6 micro g/m3, SO₄ 2- 22.1 micro g/m3, NH₄+ 17.5 micro g/m3 and NO₃- 18 micro g/m3 and for PM₁₀ the ionic concentrations were Mg+ 29.6 micro g/m3, K+ 26 micro g/m3, SO₄2- 19.9 micro g/m3, NH₄+ 16.8 micro g/m3 and NO₃- 16 micro g/m3. While concentration of SO₂ and NO₂ were 17.23, 70.33 micro g/m3 respectively.