Answer: There is more than one type of air pollution. Air pollution can come in smoking. The smoke polluts the air, which enters our lungs and we breathe, and we could die. Its also bad for the environment because plants and animals use air, and they could die as well. Foret fired can also pollute the air, because they also create smoke. A bunch of other things like power plants, airplanes, cars, factories, etc. They all create a chemical gas, which effects the air.
Hope this helps!