Explain tropospheric pollution in $100$ words.

(N/A) Tropospheric pollution occurs due to the presence of undesirable substances in the lowest layer of the atmosphere,known as the troposphere. It is primarily caused by gaseous and particulate pollutants.
$1$. Gaseous pollutants: These include oxides of sulphur $(SO_x)$,nitrogen $(NO_x)$,carbon $(CO, CO_2)$,and various hydrocarbons.
$2$. Particulate pollutants: These consist of smoke,dust,mist,and fumes. These pollutants are hazardous to human health,often leading to severe respiratory ailments and environmental degradation.