Air pollution means the situation where the air contains materials with concentrations to be harmful for people or environmental. The most prominent source of pollution in Iraq resulted from war's years where several missile were used. In addition, burning refinery and houses as well as constructive industries resulted in production of several harmful polutants. Als, electricity generators which used fossil fuels increased and caused releasing of high concentration of CO2 in the air. Increased the number of cars after 2003 led to the increase in used fossil fuels and it represented an important source of polutants.