Ambient Air Quality Of Chikkamagalur City
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Abstract
Air pollution is a major public health concern as there is increasing amount of evidence that the quality of air significantly affects our health due to the presence of various toxic pollutants. Any gas could qualify as pollution if it reached a high enough concentration to harm theoretically that means there are dozens of different pollution gases. In practice SO2, CO2, CO, NO2, VOCS, Particulates, Chlorofluorocarbons, Unburned hydrocarbons and Lead and heavy metals causes more concern. There are numerous diseases that caused by air pollution. According to the National Institute of Environmental Health Sciences (NIEHS) long term exposure to air pollutants causes respiratory illnesses, the children’s and the elderly are especially vulnerable to the detrimental health effects. Urban air quality is a matter concern because of exposure of large number of people to it. This paper access the ambient air quality status in Chikkamagaluru city.
Chikkamagaluru is a city of Coffee lands and it covers with Forest area, with its supremacy in manufacturing Coffee powder, Ply woods and copper sulphate for Coffee plantation. The air quality being assessed based on measuring four major air pollutants namely suspended particulate matter (SPM), Respirable Suspended particulate matter (RSPM), Oxides of Nitrogen (NOx) and Sulphur dioxide (SO2). The air quality assessment in Chikkamagaluru city for three successive years shows increasing trends of air pollution. Even though the SO2 and NO2 levels remain under prescribed limit with minor fluctuations with reference to the prescribed limit was given by National Ambient Air Quality Standards (NAAQS). But the average concentration of SPM and RSPM has increased year by year. The study reveals that Chickmagalur has been heavily polluted in all aspects.
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