Normally, the weather will be a component of the gases in the atmosphere is relatively constant with Nitrogen gas at 78.09 % Oxygen 0.01% , but whenever the air component changes. The volume of gas , dust , odor ,smoke , vapor ,vapor water and radioactive steam ,such as Carbon dioxide , sulfur oxide and nitrogen oxide .Contamination in the atmosphere too much and cause a negative effect on the well-being of humans, animals , plants and property and will call this condition “ Air or Air pollution ’’