Air pollution has adversely affected the lives of millions of people and caused great economic damage to ecosystems and society. Air pollution has increasingly been an issue of social concern in the backdrop of rising industrial and vehicular pollution. However, the concentration of pollutants depends not only on the quantities that are emitted from the sources but also on the ability of the atmosphere to either absorb or disperse them. As the quality of air we breathe is crucial to each of us, controlling air pollution to reduce the risk of poor health, protect the natural environment, and contribute to our quality of life is a key component of sustainable development. This page presents the theory, best practices, causal factors , health effects, and softwares of air pollution