This work aims at evaluating the air quality parameters in 10th of Ramadan city in reference to Egyptian laws (9/2009, 12/2003).  The main air pollution parameters were monitored all over the area of study.  Results proved that total suspended particulates were not complying was the laws and raged from 62-80 µg/m3 in industrial areas, 55-64 µg/m3 in rural areas and 54-59 µg/m3 in urban areas respectively compared with 50 µg/m3 in law 9/2009.    Also, carbon monoxide ranged from 22-42 µg/m3, 18-37 µg/m3 and 17-34 µg/m3 in industrial, rural areas and urban areas respectively compared with 60 µg/m3 in law9/2009 given that it was 50 µg/m3 for urban areas.  In searching for such causes that leads to such situation, it was found that the cause in the light of legislation pluralism, is there are legislative conflict and many law article addressing the same item which make those whom spoke to are maneuvering from control.  As an example, in chapter 6, law 12/2003 for the safety, occupational health and work environment and mentioned in law 9/2009 as well, there is difference in punishment for the violation.  As the first states imprisonment and fine while the second states fine only.  At the same time there are no text or strict procedures regulating inspection and control in these laws.  The study concluded that a unified law for controlling environment should be promulgated to collect such disseminated legislative articles and include all types of environment (water, work, ambient and industrial environments).