Effects of sub-urban area development in Selangor to air pollution index from 2012-2014

Due to the increases in the population, numbers of vehicles, and traffic problems during peak time tend to effect the trend in the air pollution index when exposed for a long time. Area where there is a lot of human activities going on especially near school where there must be emission of motor-vehicle during school sessions from the parents’ cars or motors for taking and sending children to school as well as school bus. This study aims to explore the trend of ambient air pollution (PM₁₀, CO, SO², NO², O³) within the two selected Malaysian air monitoring stations in Selangor of three-year database from 2012 to 2014.