6 Common Air Pollutants

6 Common Air Pollutants

They spew forth from automobiles and factories, waft up into the air from livestock farms and even come from the ground and other natural sources. Common air pollutants are found all around us, and they can cause severe health effects as well as environmental damage.

Air pollutants are found in the form of solid particles, liquid droplets or gases, and many of them are created by human activity. According to a recent report by the American Lung Association, State of the Air 2011, toxic air pollution hovers above almost every major city, and remains a real threat to the health of the American public despite strong progress in the past few decades. More than half of all Americans live in areas with dangerous levels of air pollution.

The U.S. Environmental Protection Agency (EPA) has named the six most common air pollutants, which are found all over the United States. These pollutants are ozone, particulate matter, carbon monoxide, nitrogen oxides, sulfur dioxide and lead. Of these six, ozone and particulate matter are the most prevalent and the most harmful to human health and the environment.

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