Relationship between traffic density and particulate matter concentrations

Mohd Aminuddin, Muhammad Farhan Afiq and Mohd Yatim, Siti Rohana and Shafie, Ahmad Firdaus and Abdullah, Samsuri and Abu Samah, Mohd Armi (2025) Relationship between traffic density and particulate matter concentrations. In: Controlling environmental pollution: practical solutions. Springer Nature Singapore, Singapore, pp. 77-83. ISBN 978-981-97-8930-6

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Abstract

This study examines particulate matter (PM) trends and their relationship with motor vehicle numbers in a selected area. Air sampling using Dust Trax TM DRX Aerosol Monitor 8534 was conducted from 8 a.m. to 12 p.m. PM concentrations (PM1, PM2.5, PM10) showed similar distribution patterns, with levels starting low at 8 a.m., peaking at 10 a.m., and declining by 11 a.m. The average concentrations over 4 h were PM1: 0.054 mgm−3, PM2.5: 0.055 mg m−3, and PM10: 0.064 mg m−3. PM2.5 levels exceeded daily National Ambient Air Quality Standards, while PM10 levels were below. Weak correlations were found between PM concentrations and motor vehicle numbers (R = 0.154 for PM10, R = 0.157 for PM2.5, R = 0.152 for PM1). Overall, PM distribution trended similarly across all sizes, peaking at 10 a.m., and showing a positive but weak relationship with motor vehicle numbers. Future studies in other Malaysian regions could enhance understanding of traffic-related pollution.

Item Type:	Book Chapter
Uncontrolled Keywords:	Air pollution, Particulate matter, Traffic density
Subjects:	T Technology > TD Environmental technology. Sanitary engineering > TD172 Environmental pollution
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Science
Depositing User:	Dr Mohd Armi Abu Samah
Date Deposited:	25 May 2026 11:36
Last Modified:	25 May 2026 12:57
Queue Number:	2026-05-Q3513
URI:	http://irep.iium.edu.my/id/eprint/129050

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