II. Air Pollution: The definition of air pollution is an addition to our atmosphere of any materials having a damaging effect on life and environment. Normally are carbon dioxide (CO2), carbon monoxide (CO), nitrous oxides (NO), sulfur oxides (SO) and various hydrocarbons and particulates which are small particles consists of solids. The construction activities such as land clearing, operation of diesel engines, demolition, burning and working with toxic materials will contribute to air pollution. All construction activities produce high level of dust which can effects large distance over long time. In addition, diesel is the most critical emissions of a lot of toxic gases. Air pollution occur when the noxious vapors and other hazardous chemicals that are widely used on construction sites. At last, the air pollution is directly linked to the human and other wild life being. This is because the poisonous air particular will damaging the respiratory systems of every living organism. Other serious diseases will also happen due to the insufficient inhaled of clean air and excessive inhaled of hazard oxygen. Therefore, the air quality is required to be controlled on construction sites moreover off the sites.
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