Graphical representation of air pollution rate in kerala and himachal pradesh
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Air pollution index is an overall scheme that transforms the weighted values of individual air pollution related parameters into a single number. In the Indian context, most commonly used air pollution index (API) is a four parameter model. The longer and more intense the exposure of people to air pollutants such as particulate matter (PM), nitrogen oxides, carbon monoxide, sulphur dioxide etc., the greater the negative impact on their health. The effects range from minor eye irritation, respiratory symptoms, to decreased lung and heart function, hospitalization and even premature death. Hence this study was conducted to study the quality of air in all the districts of Kerala for a period of nine years during the period 2008-2016.