Assessment of PM2.5 Patterns in Malaysia Using the Clustering Method

Abstract Particulate matter is the parameter of most concern in air quality monitoring in Malaysia. This study discusses the variations and clustering of PM2.5 recorded from 2018 to 2019 at 65 stations of the Continuous Air Quality Monitoring Network of the Malaysian Department of Environment. PM2.5...

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Main Authors: Ezahtulsyahreen Ab. Rahman, Firdaus Mohamad Hamzah, Mohd Talib Latif, Doreena Dominick
Format: Article
Language:English
Published: Springer 2021-12-01
Series:Aerosol and Air Quality Research
Subjects:
Online Access:https://doi.org/10.4209/aaqr.210161
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author Ezahtulsyahreen Ab. Rahman
Firdaus Mohamad Hamzah
Mohd Talib Latif
Doreena Dominick
author_facet Ezahtulsyahreen Ab. Rahman
Firdaus Mohamad Hamzah
Mohd Talib Latif
Doreena Dominick
author_sort Ezahtulsyahreen Ab. Rahman
collection DOAJ
description Abstract Particulate matter is the parameter of most concern in air quality monitoring in Malaysia. This study discusses the variations and clustering of PM2.5 recorded from 2018 to 2019 at 65 stations of the Continuous Air Quality Monitoring Network of the Malaysian Department of Environment. PM2.5 concentrations were recorded continuously using a tapered element oscillating microbalance. The cluster analysis was conducted using the Agglomerative Hierarchical Cluster (AHC) method. The results show that the daily average of PM2.5 concentrations ranged between 8 and 31 µg m−3. The cluster regions were classified into High Pollution Regions (HPR), Medium Pollution Regions (MPR) and Low Pollution Regions (LPR) based on the AHC analysis. The mean concentration of PM2.5 recorded in HPR was significantly higher with 23.04 µg m−3 followed by MPR and LPR. The results also showed that the highest concentration of PM2.5 was recorded during the 2019 haze episode for all three regions, with the air pollutant index indicating very unhealthy and dangerous levels.
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institution Kabale University
issn 1680-8584
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language English
publishDate 2021-12-01
publisher Springer
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series Aerosol and Air Quality Research
spelling doaj-art-acbadf2657734474a71a6469a98337a32025-02-09T12:17:45ZengSpringerAerosol and Air Quality Research1680-85842071-14092021-12-0122111510.4209/aaqr.210161Assessment of PM2.5 Patterns in Malaysia Using the Clustering MethodEzahtulsyahreen Ab. Rahman0Firdaus Mohamad Hamzah1Mohd Talib Latif2Doreena Dominick3Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan MalaysiaDepartment of Engineering Education, Faculty of Engineering and Built Environment, Universiti Kebangsaan MalaysiaDepartment of Earth Sciences and Environment, Faculty of Science and Technology, Universiti Kebangsaan MalaysiaCentre for Atmospheric Chemistry, University of WollongongAbstract Particulate matter is the parameter of most concern in air quality monitoring in Malaysia. This study discusses the variations and clustering of PM2.5 recorded from 2018 to 2019 at 65 stations of the Continuous Air Quality Monitoring Network of the Malaysian Department of Environment. PM2.5 concentrations were recorded continuously using a tapered element oscillating microbalance. The cluster analysis was conducted using the Agglomerative Hierarchical Cluster (AHC) method. The results show that the daily average of PM2.5 concentrations ranged between 8 and 31 µg m−3. The cluster regions were classified into High Pollution Regions (HPR), Medium Pollution Regions (MPR) and Low Pollution Regions (LPR) based on the AHC analysis. The mean concentration of PM2.5 recorded in HPR was significantly higher with 23.04 µg m−3 followed by MPR and LPR. The results also showed that the highest concentration of PM2.5 was recorded during the 2019 haze episode for all three regions, with the air pollutant index indicating very unhealthy and dangerous levels.https://doi.org/10.4209/aaqr.210161PM2.5Regional concentrationAgglomerative hierarchical cluster
spellingShingle Ezahtulsyahreen Ab. Rahman
Firdaus Mohamad Hamzah
Mohd Talib Latif
Doreena Dominick
Assessment of PM2.5 Patterns in Malaysia Using the Clustering Method
Aerosol and Air Quality Research
PM2.5
Regional concentration
Agglomerative hierarchical cluster
title Assessment of PM2.5 Patterns in Malaysia Using the Clustering Method
title_full Assessment of PM2.5 Patterns in Malaysia Using the Clustering Method
title_fullStr Assessment of PM2.5 Patterns in Malaysia Using the Clustering Method
title_full_unstemmed Assessment of PM2.5 Patterns in Malaysia Using the Clustering Method
title_short Assessment of PM2.5 Patterns in Malaysia Using the Clustering Method
title_sort assessment of pm2 5 patterns in malaysia using the clustering method
topic PM2.5
Regional concentration
Agglomerative hierarchical cluster
url https://doi.org/10.4209/aaqr.210161
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