Air Pollution

How It Affects Us All

Air Pollution: The Overview

Air pollution is a mixture of natural and man-made substances in the air we breathe. It is typically separated into two major categories: indoor and outdoor air pollution. Outdoor air pollution is pollution that happens outside of the built environment. Indoor air pollution on the other hand, is exposure to particulates, carbon oxides, and other pollutants carried by indoor air or dust.

Indoor Air Pollution

Indoor air pollution is exposure to particulates, carbon oxides and other pollutants carried by air inside. Examples of indoor air pollution include:

  • Gases such as carbon monoxide or radon etc.
  • Household products and chemicals
  • Building materials
  • Outdoor indoor allergens such as cockroach and mouse droppings etc.
  • Mold and pollen

Outdoor Air Pollution

Outdoor air pollution is pollution that takes place outside. Causes of air pollution include:

  • Particle in the air from cars and other machinery
  • Noxious gases like sulfur dioxide, nitrogen oxides, carbon monoxide and chemical vapors etc.
  • Tobacco smoke
  • Ground level ozone/urban smog


Indoor Prevention

To prevent indoor air pollution, remove any known pollutants and other irratants. Also, make sure the building is

Outdoor Prevention

To prevent outdoor pollution exposures, avoid second-hand smoke and tobacco, check your Air Quality Index regularly and avoid heavy traffic when possible.


Outdoor air pollution CAN and WILL make its way through open doors and ventilation etc. to the indoors.

Works Cited

"Air Pollution -Despcription." Air Pollution. National Institute of Environmental Health Sciences, 10 Apr. 2015. Web. 08 Apr. 2015.

"EPA." Air Quality. Environmental Protection Angency, 21 May 2014. Web. 06 Apr. 2015.

"Pediatric Asthma Expert Participates in Presidential Roundtable on Climate Change and Public Health - American Lung Association." American Lung Association. American Lung Association, 2015. Web. 14 Apr. 2015.

"Respiratory Health & Air Pollution." Centers for Disease Control and Prevention. Centers for Disease Control and Prevention, 16 Nov. 2009. Web. 06 Apr. 2015.

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