International Scientific Journal


Private vehicles are high dominant mode of transport in Salem, India, since there is no any commuter personal exposure information on air pollution. This is the first pollutant exposure study in different private vehicles across Salem city. In this study, critical air pollutant of fine particulate matter, PM2.5, was measured. In addition, accumulation of CO2, concentration also assessed in closed vehicles. The measured vehicles were motorcycle, auto rickshaw, hatchback car, sedan car, sports utility vehicle car, and multi utility vehicle van. The four-wheeler (car and van) in-vehicle concentrations were assessed under four different ventilation conditions. Student’s t-test statistical analysis was carried out to determine the significance exposure level between the vehicles. It is observed that there is no statistically significant difference (p ˃ 0.05) between the vehicles of motorcycle and sedan, motorcycle and multi utility vehicle van, and auto rickshaw and sports utility vehicle for PM2.5 pollutant. A regression analysis shows a strong negative correlation between PM2.5 and CO2 concentration in an air-conditioning cars.
PAPER REVISED: 2021-02-09
PAPER ACCEPTED: 2021-03-03
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THERMAL SCIENCE YEAR 2022, VOLUME 26, ISSUE Issue 2, PAGES [1695 - 1708]
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