What is the biggest source of air pollution?

There is more than one major source of air pollution

1-the combustion of coal, oil, gas and other fuels for generating 2 - electricity; burning gasoline, diesel and other fuels for transportation;

3 - emissions from various industrial processes;

4-burning wood and other fuels for heating and cooking;

5 - agricultural burning, land clearing and other man-made fires; and

6 - natural sources, including volcanoes, forest fires and dust storms.