Archive for the ‘Air Pollution Articles’ Category


Just the other day, I experienced the nauseating sensation of driving down a pass into the air pollution in Los Angeles. We need clean air to be healthy, but these air pollution facts make me ill.


Air Pollution In California


There are many different types of pollution that affect our environment. The Earth’s waters are affected by pollutants such as chemicals and medical waste, and the land itself is also polluted with garbage and even more types of chemicals. Some of the worst pollution that affects us daily, however, is air pollution. Here are some air pollution thoughts that should make you hack, cough and start wearing a filter mask.


Air pollution is a general term that is used to describe any chemical, biological or other matter that causes changes in the atmosphere. A good example is the pollution caused by large cities, which is also known as smog. Smog is the accumulation of all the dirt and chemical pollutants produced by a city or area, and it can be detrimental to our lungs, other animals, plants and even the ozone layer high above us.


The particularly nasty thing about air pollution is the silent, unseen impact it has on us. Whereas we can see and taste water pollution, air pollution is much less obvious. It is, however, still deadly. For instance, everyone knows smoking is bad for you and will ruin your lungs. Yet, not a single person either seems to know or care that among air pollution facts, one of the ugliest is as follows. If you drive in rush hour traffic in Los Angeles with your window rolled down, the harm to your lungs per hour is equal to smoking two PACKS of cigarettes. TWO PACKS!


Holes in the ozone layer, which is a layer in the upper atmosphere, allow more harmful UVB (ultraviolet B) light to reach us from the sun. This light can cause skin cancer as well as sun burns and lesser ailments. There are other causes for the holes in this layer besides just smog, and these include carbon dioxide released from burning fossil fuels and even the exhaling of farm animals. While we would consider most of the harm done to the atmosphere to be caused by chemicals, air pollution facts tell us that even animals have a hand in creating air pollution.


So, what can we do to stop air pollution? While there is no way to completely get rid of pollutants that harm our air quality and ozone layer, we can help to eliminate man made causes of atmospheric distress. Cutting down on the use of fossil fuels, using non-chemical based cleaners, and generally thinking “green” can all help to reduce the amount of air pollution we produce. A fundamental solution is to get off of fossil fuels for our cars and the hybrid vehicles are a good start. If the mythical hydrogen vehicle ever comes to be, the reduction of air pollution in major cities will be astounding.


While there is no real way to fix the damage we have already done to the atmosphere, people can definitely stop more problems from occurring. In your everyday life, try to produce less air pollution by taking simple steps to use less chemicals and fossil fuels. We’ve got a long way to make the world a less polluted place, but every little step towards a “greener” Earth will help us all breathe a little easier.

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You will learn about “Air Pollution” in this video. Cutting of trees is one of the major reasons of air pollution. Air also gets polluted due to the smoke released by many factories and industries. Burning of wood and fossil fuels is another reason of air pollution. Also, vehicles such as cars, buses, trucks etc. give out a lot of smoke that pollutes the air. Due to air pollution, human beings suffer from a number of diseases like asthma, bronchitis, cancer, skin diseases etc.

Air pollution also affects the growth of plants and causes damage to our beautiful historical monuments. As responsible citizens, it is necessary to take up some preventive measures to reduce air pollution and its effects. We must plant more trees, avoid bursting firecrackers, make more use of public transport and ensure that regular servicing of our vehicles is done. Lastly, factories and power plants should also be set up far from residential areas, which will help in reducing air pollution.

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Air pollution is the emission of substances in the atmosphere that interferes with the amenities of live. Air pollution could also be defined as any process that alters the standard component of the atmosphere by quantity or quality.

Air pollutants may be classified as follows

* Aerosol is a term used to describe dusts of small particle size, smoke and some mists whose presence can be really revealed by its scattering of visible radiation. Aerosols cover a wide range of gaseous disperse systems consisting of particles of low vapor pressure which settle slowly under gravity.

* Smokes are formed by combustion, destructive distillation or volatilization

* Dusts are solid particles dispersed into the atmosphere as a result of mechanical disintegration of a body of matter.

* Mist consists of droplet as a result of condensation of vapor in the air. When there are many particles in the droplet, it is called fog. When there is droplet with particle and dust at the same time it is called haze and if there is fog as well as poisonous gases, it is referred as smog.

* Acid rain, this occurs when the rain water pH falls below 5. It is usually as a result of presence of CO2 in the rainwater. Gaseous emission is a very important aspect of air pollution especially the green house gases (CO2, CFC, and NO2) that it emits in the atmosphere.

The effect of air pollution could be categorized as follows.

Earth warm and climate change; this is as a result of green house gases in the atmosphere. When the solar radiation strikes the earth surface, some of these gases trap the heat of the sun and thereby giving rise in the increase of temperature of the environment. The effect of this rise in temperature is shifts in temperature and rainfall. Sea level will rise as a result of thermal expansion of the ocean. Some area will be subjected to drought. Another effect of these gases is the depletion of the ozone layer.

Air pollution affects the health of the body ranging from eye irritation to lung diseases.
Acid rain is one of the very dangerous effects of air pollution. Its environmental effects range from acidification of lakes and streams resulting in reduction of fish population. It could also lead to the damage of vegetation, structure and equipment.

The cause of air pollution are as follows; domestic and industrial activities, Transportation sector and thermal power stations.

Air pollution control achievement depends on a well knowledge of the source of the pollution.

Pollution in the transportation sector can be curbed by

*taxation aimed at penalizing inefficiency in fuel consumption.

* Developing more efficient fuel combustion systems.

* Installation of systems to monitor the exhaust of automobile.

* encouraging mass transit

Pollution by industries should be controlled as follows

*Polluting industries may be regulated to emit pollutant only on a favorable wind movement and direction.

*Erection of tall stacks which usually also have high velocities in them so that the pollutants are sent in the high part of the atmosphere, where they will be diluted and made harmless.

*Use of fossil fuel should be reduced and resorting to much more environmental friendly source of energy should be encouraged.

*Industries should use scrubber to trap most of the pollutant that they emit.

Developing countries should endeavor to have consistent power supply so as to discourage the use of domestic generators. However, the flexible strategy of controlling air pollution remains the use of taxes and price mechanism

Okwudili J. Onuchukwu
B.Engr Civil Engineering
Passion : Environmental and Engineering issues.
specialty: Water Resources and Environmental Engineering
email : johncoolk3@yahoo.com