Air pollution is the one form that refers to the contamination of the air, irrespective of indoors or outside. A physical, biological or chemical alteration to the air in the atmosphere can be termed as pollution. It occurs when any harmful gases, dust, smoke enters into the atmosphere and makes it be difficult for plants, animals and humans to survive as the air becomes dirty.
Air pollution can further be classified into two sections- visible air pollution and invisible air pollution. Another way of looking at air pollution could be any substance that holds the potential to hinder the atmosphere. The sustainment of all things living is due to a combination of gases that collectively form the atmosphere; the imbalance caused by the increase or decrease of the percentage of these gases can be harmful for survival.
Air pollution mainly occurs as a result of gaseous discharges from industry and motor vehicles. There are also natural sources such as wind-blown dust and smoke from fires. Some forms of air pollution create global problems, such as upper atmosphere ozone depletion and global warming. Air pollution occurs when the air contains gases, dust, fumes or odour in harmful amounts. That could be harmful to the health of humans and animals or cause damage to plants and materials. Air pollution has already had observable effects on the environment. For example, global warming, acid rain, effect on wildlife, depletion of ozone layer and so on.
The air pollution affects Bangkok extremely in the past ten years. Nowadays, air pollution trend is increasing continuously. Therefore, these problems are very complex and require international cooperative efforts to find the solution. Moreover, People have come to realize that solutions are required and collaborate to solve this problem.