Biju B, Vijayan N
The air quality of Thiruvananthapuram city is assessed and it falls in the border range of moderately polluted. The principal component of pollution in the city is suspended particulate matter. The trends of API values show high fluctuations according to the season. Traffic volume study shows that two wheelers are the major contributors of carbon monoxide, methane, particulate matter and hydrocarbons. Carbon dioxide is mainly contributed by cars and nitrogen dioxide and sulfur dioxide by buses. The health effects due to the exposure to PM10 of 75 (μg/m3) is evaluated using dose-response coefficient and it found that the mortality and morbidity effect is very severe and need immediate attention of authorities
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