“…Seriousness of air pollution lies in the fact that high, potentially harmful pollutant levels are produced in environments which can be harmful for human health (Geravandi et al 2016a;Goudarzi et al 2015d;Taghavirad et al 2014;Ghozikali et al 2015b;Soleimani et al 2016;Neisi et al 2016;Naimabadi et al 2016). The most important of air pollutants are particulate matter, ozone (O 3 ), nitrogen dioxide (NO 2 ), sulfur dioxide (SO 2 ), and carbon monoxide (CO) (Peters et al 2000;Wong et al 2002;Zallaghi et al 2015).…”