AIR POLLUTION By: DR. NORHASMAH BT. SULAIMAN DEPARTMENT OF RESOURCES MANAGEMENT AND CONSUMER STUDIES FACULTY OF HUMAN ECOLOGY, UPM.

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Presentation transcript:

AIR POLLUTION By: DR. NORHASMAH BT. SULAIMAN DEPARTMENT OF RESOURCES MANAGEMENT AND CONSUMER STUDIES FACULTY OF HUMAN ECOLOGY, UPM

AIR COMPOSITION Air is comprised of : ♣ 78% nitrogen ♣ 21% oxygen ♣ 1% other gases (argon 0.93%, CO %, neon, helium, ozone, xenon, hydrogen, methane, krypton and water vapour). If there are presences of other components other than the stated ones, it is considered as air pollution.

FORMS OF AIR POLLUTION

AIR POLLUTION CLASSIFICATIONS AND CONTAMINATIONS Natural Examples like volcano eruptions, movements of the sea, and natural forest fire. Human Cause Examples in the house activities, industrial processes, agricultural activities, smokes from vehicles, production and utilization of energy, open burning and release evaporating organic materials.

POLLUTANT GROUPS Primary Pollutant The pollutants are produced directly from the causes. Secondary Pollutant Pollutants produced from chemical reactions between primary pollutants.

MAIN AIR POLLUTANTS Main air pollution Carbon Dioxide Carbon Monoxide Nitrogen Oxide Sulphur Dioxide Volatile Organic Compounds Suspended Particles Photochemical Oxidation

HEALTH PROBLEMS ACCORDING TO AIR POLLUTION

DISEASES CAUSED BY AIR POLLUTION Chronic Bronchitis It is an inflammation on layers of the bronchus tube, causing cough. This disease can be caused by bacteria, air pollution, smoking and weather factors. Emphysema It is the abnormal growth of the lungs that troubles respiration. Most of the patients are smokers. If the spoilt lung cells continue on, the exchange of respiratory gases would be less efficient, forcing the heart to work harder.

DISEASES CAUSED BY AIR POLLUTION Asthma Asthma is a reaction due to internal infection or allergic towards certain materials like pollen, dust, foods or emotion stimulants. An individual would experience difficult breathing and choke when an episode occurs. Lung cancer It is diagnosed from the presence of malignant cells on the outer layer of the respiratory system. Among the causing factors are aging, smoking, genetics, race, viral diseases, career exposure.

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