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Journal of Emerging Trends in Engineering and Applied Sciences (JETEAS)


Article Title: Investigation on Physical Air Pollution Variables in Tropical Spice Garden, Pulau Pinang, Malaysia
by Nur-Aqidah A.A., Mardiana A., Naim D.M., Ibrahim M.H.

Extensive research has been conducted concerning outdoor environment and it was proven that physical air pollution variables are very connected to living organisms including human health, plants and animals. Due to its significant impact on determinants of health and environmental pollutions, thus it deserves special attention. Hence, this study was conducted to evaluate and characterise the physical air pollution variables in tropical region of Northern Peninsular Malaysia, based on a case study at Tropical Spice Garden (TSG), Pulau Pinang, Malaysia. This garden set out eight acres of secondary jungle and has lots of plant species valued for healing and medicinal as well as culinary uses such as spices and herbs. Measurements were carried out at two different locations, outside (Point A) and inside of TSG (Point B) in order to compare and analyse the air conditions at these two locations. The physical air pollution variables in terms of temperature, relative humidity (RH), dew point, level of carbon monoxide (CO), carbon dioxide (CO2), photoionisation detector (PID) and dust concentration were determined simultaneously by using an Environmental Monitor EVM-7, while hot wire anemometer was used to measure air movement. From the study, it was found that the environmental air quality in terms of CO, CO2, and dust concentration at Point B of TSG was better (lower values) as compared to Point A. This is due to the fact that Point B was located away from the roadside which indirectly affected the air conditions at this point. As a conclusion, there were many factors contribute for the high or low values of air pollution variables such as distance from the roadside, topography area as well as the surroundings and further study should be conducted in this field to investigate the effects of various factors on air pollution variables or air conditions in TSG.
Keywords: physical air pollution, variable, tropical region, air pollution.
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ISSN: 2141-7016

Editor in Chief.

Prof. Gui Yun Tian
Professor of Sensor Technologies
School of Electrical, Electronic and Computer Engineering
University of Newcastle
United Kingdom



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