air pollution

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In the name of GOD By Salehe Sekandari

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Page 1: Air pollution

In the name of GODBy

Salehe Sekandari

Page 2: Air pollution

Air pollution

Page 3: Air pollution

Air is the most immediately vital resource.

Page 4: Air pollution

Pure air

78% Nitrogen

21% Oxygen

Less than 1% Argon

0.03% Carbon dioxide

Water vapor

Other gases

Page 5: Air pollution

The percentage of oxygen in the air has not been reduced significantly with the advent

of air pollution.

Page 6: Air pollution

For many years people have been

treating the atmosphere as a

sewer

,exhausting different kinds of waste

products into it.

Page 7: Air pollution

Air pollution is the introduction of hazardous materials into the

atmosphere as the result of mans‘ activities.

Page 8: Air pollution

pollutants in the air are mostly a result of: 1. human activities 2. natural phenomena

Page 9: Air pollution

natural phenome

na

Smok from

forest fire

Dust storm

Hot spring

volcanoes

Human causes

industrial emissions

car exhaust

Smoke from

forest fire

Page 10: Air pollution

Air pollution from World War II production

Page 11: Air pollution

Smoke from forest fire

Page 12: Air pollution

Dust storm approaching Stratford, Texas

Page 13: Air pollution

Hot spring

Page 14: Air pollution

volcanoes

Page 15: Air pollution

We use a number from 1 to 10to indicate the level of local air quality.

1 2 3 4 5 6 7 8 9 10 +

Page 16: Air pollution

Risk: Low (1 - 3) Moderate (4 - 6) High (7-10) Very high (+ 10)

Page 17: Air pollution

four major air pollutants:

1. ozone

2. nitrogen dioxide (NO2)

3. sulphur dioxide (SO2)

4. Carbon monoxide (CO)

Page 18: Air pollution

Some bad effects of air pollution on human

being:

Page 19: Air pollution

1.Air pollution causes harmful physical changes in

the brain:

these changes are associated with

learning and memory problems and even depression.

Page 20: Air pollution

2.Air Pollution Has Negative Effects on Heart Health:

air pollution can negatively affect the ability of the heart with serious

coronary artery disease .

Page 21: Air pollution

3.Air Pollution Raises Blood Pressure:

Page 22: Air pollution

The problems of air pollution is further complicated by existence

of inversion layers.

Page 23: Air pollution

An inversion layer is a layer of warmer air over a cooler surface layer of air.

It results from:

1.Topographical character2.Proximity to water

Page 24: Air pollution

specific vitamins may help protect your health from the

effects of bad air:

Page 25: Air pollution

vitamins A and C benefited people who

were sensitive to air pollutants.

Page 26: Air pollution

vitamins B6 and B12 help guard the Heart from the impact of air pollution

Page 27: Air pollution

Over three million premature deaths

each year are caused by air pollution, according to the

World Health Organization (WHO).

Page 28: Air pollution

Thanks for your

attention!