Air pollution

Air pollution

Learning Outcomes

At the end of this
session, students will be able to

• Explain Air Pollution

• Describe the source of Air pollution

• Discuss the effect of Air pollution

• Discuss control of Air pollution


• Air Pollution

• Source of Air pollution

• Effect of Air pollution

• Air pollution Management and Control

Pollution –

• Any undesirable change in physical, chemical or biological
characteristics of air, land, water

• Pollution is the introduction of contaminants into an
environment that causes instability, disorder, harm or discomfort to the
ecosystem i.e. physical systems or living organisms

• Pollution can take the form of chemical substances or
energy, such as noise, heat, or light

• Air pollution may be defined as any atmospheric condition
in which certain substances are present in such concentrations that they can
produce undesirable effects on man and his environment

• Air pollution is one of the most serious environmental
problems in societies at all level of economic development

• The result can be lung disease, eye problems, and
increased risk of cancer

Unit of measurement

• Concentrations of air pollutants are commonly expressed as
the mass of pollutant per Unit volume of air mixture, as mg/m3, μg/m3, ng /m3

Types of pollutants

Sulfur Dioxide, Nitric oxide (NO), Nitrogen dioxide (NO2), Hydrocarbons, Lead

Asbestosis (lung scaring), Mesothelioma (cancer of the lung and the abdominal
lining), Mercury (Lung cancer), Beryllium, Copper, Super phosphate, Glass and
enamel factories, Aluminum plants, Hydrogen, Lameness.

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