Air pollution

What is Air pollution?

*Is the introduction of particulates, biological molecules, or other harmful materials into the Earth’s atmosphere.

Natural: Forest fires, pollen, dust storm

Unnatural: man-made; coal, wood and other fuel used in cars, homes and factories

*Types of Air pollution

*There are several types of air pollution, Mainly Indoor air pollution and Outdoor Air pollution.

*One type of air pollution is the release of particles in the air.

*Another type of pollution is the release of poisonous gases.

Major Pollutants

Carbon Monoxide

*Colorless, odorless

*Present in car exhaust

*causes headaches , fatigue and impaired vision

Sulfur Dioxide *produced when coal and fuel are burned

*present in power plant exhaust

*narrows the airway, causing wheezing and shortness of breath, especially in those with asthma

Ground Level Ozone

*at ground level, ozone is harmful pollutants

*formed from car, power and chemical plant exhaust

*irritate respiratory system and asthma: reduces lung function by inflaming and damaging lining of lungs

Nitrogen Dioxide

*reddish, brown gas

*produced when nitric oxide combines with oxygen in the atmosphere

*affect lungs and causes wheezing increase the chance of respiratory infection

SMOG

*Combination of gases with water vapor and dust

*combination of words smoke and fog

*forms when heat and sunlight react gases

*Occurs often with heavy traffic , high temperatures, and calm winds

Other Problems

Global Warming

Greenhouse Effect

Thinning of Ozone layer

Acid Rain

Prevention

*Ride your bike

*Tell your friends and family about pollution

*Switch of lights , fan , heat etc. When you leave the room

*Join a group to stop pollution