Air pollution

Air pollution

Intended
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

Content

• Air Pollution

• Source of Air pollution

• Effect of Air pollution

• Air pollution Management and Control

Pollution –
Definition

• 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

• CONVENTIONAL:
Sulfur Dioxide, Nitric oxide (NO), Nitrogen dioxide (NO2), Hydrocarbons, Lead
Etc

• NON-CONVENTIONAL:
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.