Include a small dust (dust size less than 10 microns in size: PM-10) Sulphur dioxide (SO2), lead (Pb), carbon monoxide (CO), nitrogen dioxide (NOx), ozone (O3), and.
Including particulate dust size not exceeding 10 micron: PM-10), sulfur dioxide (SO2) of Pb (Pb) gas carbon monoxide. (CO), nitrogen dioxide (NOx) and ozone (O3).