A Short Introduction for Facts of Air Pollution

Air: a vital element for life

Ambient_Air_Circle_Graph_514_458_aAir is a gaseous mixture which has no color, odor or taste. It is mainly comprised by around 78% nitrogen, 21% oxygen and other gases, like hydrogen, argon, neon, helium and carbon dioxide.

It envelops the terrestrial globe to form the earth’s atmosphere. It’s a vital element for all the living beings. Clean and high quality air enhance the quality and lifespan of life, otherwise, it creates unbeneficial factor affecting human health.

Causes of air pollution

Indeed, the rapid growth of industries has brought significant convenience and improvements to human life, but on the other hand, chemical and poisonous emissions from industrial production and products contaminate the air, which poses threats to living organisms when they are exposed to the polluted air. The sky is full of thick smog, nasty exhaust, particulate matter and other chemicals from industrial chimneys, automobiles, operating devices. All these have dangerous effects on human health. Air pollution is created by radon, chlorflourocaborns, chemicals, vehicular emission, mold spores, dust, and forth. Most people often worry about outdoor air when talking about air pollution. Actually, multiple air pollution occur indoors, what’s more, indoor air pollution, to some extent, are more dangerous for human health, because, a majority of our time are spent indoors.

Indoor air pollution


Many cases in North America show that air pollution within office buildings has reached to an alarming level causing a lot of health issues. Though cigarette smoking has been banned in most workplaces, biological contaminants appear frequently. The ventilation system office buildings used can circulate the indoor air outside, but also render unwanted carbon monoxide exceeding the safe level. Most aged buildings in the world were made with fossil flax, formaldehyde and lead which can have a big problem because the three materials emit dangerous chemicals that can be life-threatening factors. The chemical pollutants can cause many diseases, especially affect the development of children’s brain. Most people have experienced or are experiencing such air pollution. Sensitive people are more likely to have severe reaction to all kind of contaminants.

Consequence of air pollution

Exposure to polluted air offers a way for air pollutants to enter our body either through our respiratory system or our skin. But polluted food, such as vegetables and fruits, can also absorb contaminants, and if you eat it, contaminants absolutely enter our body. Air pollutant entered in out tract can affect lungs, blood vessels, digestive systems and skins, which could cause many serious diseases, such as cancers, heart attacks, asthma, chronic bronchitis, etc. Some population grounds should pay more attention on air pollution. For example, polluted air can lead to miscarriages for pregnant women. And maternal exposure to air pollution for a long time may restrict or damage the development of fetus. The consequences of air pollution on health could be slight and serious, which depends on the internal route it passes.

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