A.K. Mariselvam, M.A. Kumar,
C. Dharmaraj, E. Maharaj,
N. Dhasarathan and
Department of Applied Science and
Technology, Anna University, Chennai-600 025, India
Author Email :
Aim: To study air
quality of Chennai city by comparing the air quality index (AQI) with the
National Ambient Air Quality Standard (NAAQS) values.
Methodology: In urban area, a
major straddling problem is air pollution. Analyses was conducted during Jan
2016?Dec 2017 for PM2.5, SO2, NO2 and CO at
different seasons in Manali, Chennai. Fine particulate sampler and Lutron CO
meter were used to estimate PM2.5 and CO levels.
Results: Due to different
climate changes in India, higher concentration of pollution occurred during
summer and monsoon season. The commercial and residential area experienced
lower pollution compared with industrial areas. Case-control study showed
that the result of odds ratio was significant.
Interpretation: Commercial and
traffic may have significant influence on air quality in Chennai.
Key words: Air Quality Index, Air Pollutants, Epidemiological
investigation, Industrial area
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