An Overview of Air Pollution

Air Pollution

Definition of Air Pollution

Air pollution is an harmful gas containing all sorts of particles released in a big enough quantity to harm the health of people or other animals, and it is also harmful for plants to such an extent that it can even stop them from growing properly, vandalize or derange some other aspect of the environment. And also contaminating the atmosphere by the wastes coming from burning the coal at the industries and the auto exhaust released from the cars and trucks[1].

Air Pollutants

The air we breathe carry different pollutants released into the atmosphere outdoors as well as into the air indoors. the common source of outdoor air pollution are secretions caused by ignition process from vehicles, airplanes, solid fuel burning/ fuel combustion and industries and these process are set to be well known in air pollution. other pollution source include smoke from bushfire and dust.

Particulate matter(PM 10 and PM 2.5) are commonly well known air pollutants of ambient air including:

  • OZONE (O3)
  • Nitrogen dioxide (NO2)
  • Carbon monoxide(CO)
  • Sulphur dioxide(SO2)

Air found outside the home is more toxic, which we often ignore it.

Indoor air pollution can be produced from different sources, like furniture, cabinets, and materials being used for construction purposes, etc. Indoor air is usually rich in VOCs, emitted from paints, wood preservatives, cleaners and disinfectants, moth impervious, air fresheners and aerosol sprays of different kinds, stored fuels, car products, pesticides, copier and printer fluids, dry-cleaned clothing, graphic and craft materials, building materials, correction liquid, hobby supplies, wood glue, permanent markers, pressed wood products made with MDF (medium-density fiberboard), and household cleaning products that have both short- and long-term health effects.

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Seasonal Air Pollution

Air Pollution in Winter

Well air pollution is an on-going problem that we are facing as a society that harms to our health as individuals. Because the air we breathe contains a variety of pollutants emitted into the atmosphere. And in most cases it cannot be seen by naked eyes as the size of the pollutants are very tiny as compared to human eyes. The fact that human eye does not see the air pollution does not mean it does not exist.

In winter, a junction of natural experience increases air pollution problem. Overcast weather, in particular, tends to trap the pollution beneath the cloud. In this kind of temperature transposition, the warm air acts as a cap, covering air pollutants.

Air temperature usually elevate and falls along. But sometimes during the night, and more often during cold nights, there is a warm layer of air between the layers of cooler air.

Here are 3 types of temperature transposition bind to air pollution.

  1. Surface inversion
  2. Subsidence inversion
  3. Frontal inversion

Surface inversion usually occurs during cold and windless nights: In freezing winter nights, the earth surface loses temperature quickly due to cold that will be blowing in the atmosphere. That causes the air close to the surface cooler faster than the air above the surface. This is how the warmer layer of air, above the colder one, is formed.

Subsidence inversion: This transposition occurs mostly around high-pressure centers when a large air mass moves downward. And if it continues further near the ground and closer to the surface then the air becomes colder than the one above it. This inversion is more likely to be seen near subtropical oceans.

Frontal inversion: This inversion happens on the borders of hot and cold forefronts. The cold air mass is heavier to such a way that it and pushes the hot air above it. So that the lighter hot air stays above the cold and heavy one and this is how this phenomenon occurs.

Air pollution is worse during winter time in china(Wuhan) because we experiences thick smog in winter. Not only is the air dense and grey, it’s also squeeze full of PM 2.5 particles, small enough to perforate deep into the bloodstream and object a huge damage for people’s health.

And this clearly mean that air pollution is actually worse during winter.

Air Pollution in Summer

Hot summer days can bring impale in air pollution, as auto exhaust and other emissions bake in the sun. The warm sun may be part of what drives you outdoors to enjoy the summer, but it can also increase the rate of air pollution, particularly from ozone.

That’s why sometimes when walking outside or trying to jog on some particularly hot days make you feel like you’re trying to breathe through a pillow(with no ventilation). That’s why breathing problems are often increases on hot summer days.

Ozone levels always impale during summer time. That’s why ozone is often called a “secondarily generated pollutant”.

When sunlight hardly hits certain pollutants including those emitted by power plants, industrial boilers(burning of coals), air conditioners or diffusers, and cars creates ozone.

Those pollutants are emitted as people would be trying to cool down and drive to work, not being aware that they are creating ozone levels to rise throughout the day, reaching a highest point, in the afternoon and beginning to fall again after sunset.

Ozone and particulate pollution are connected to both cardiovascular diseases and respiratory problems. Particulate pollution is more directly connected to diseases like heart attacks, while there are situations whereby ozone affects lung diseases like asthma and chronic bronchitis pulmonary illnesses.

Air Pollution in Spring

In springtime particle pollution happens when industries/factories release and auto exhaust mix in the air with ammonia from farms. Where fertilizer for seedlings, mud spread on fields and animals let out from their winter housing together cause more ammonia in spring than at any other time of year.

Air Pollution in Autumn

Normally in autumn when the leaves start falling down, air pollution begins to increase as winter approaches.

The atmosphere at night becomes a little more stable and this helps to trap air pollutants released by both industrial and vehicle emissions near the ground, that’s where air pollution concentrations starts to rise higher at night than the daytime.

Cite this page

An Overview of Air Pollution. (2021, Feb 05). Retrieved from http://studymoose.com/an-overview-of-air-pollution-essay

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