The Impact of Movement Control Order (MCO) during Pandemic COVID-19 on Local Air Quality in an Urban Area of Klang Valley, Malaysia
Abstract The world is currently going through the COVID-19 pandemic which has caused hundreds of thousands of deaths in just a few months. Considering the need for lockdown measures, most countries, including Malaysia, have implemented ‘Movement Control Orders’ (MCOs) as a prevention step to reduce...
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| Format: | Article |
| Language: | English |
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Springer
2020-05-01
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| Series: | Aerosol and Air Quality Research |
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| Online Access: | https://doi.org/10.4209/aaqr.2020.04.0163 |
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| author | Mohd Shahrul Mohd Nadzir Maggie Chel Gee Ooi Kemal Maulana Alhasa Mohd Aftar Abu Bakar Anis Asma Ahmad Mohtar Mohd Fadzil Firdzaus Mohd Nor Mohd Talib Latif Haris Hafizal Abd Hamid Sawal Hamid Md Ali Noratiqah Mohd Ariff Johary Anuar Fatimah Ahamad Azliyana Azhari Norfazrin Mohd Hanif Mohammed Ahmed Subhi Murnira Othman Mohd Zaim Mohd Nor |
| author_facet | Mohd Shahrul Mohd Nadzir Maggie Chel Gee Ooi Kemal Maulana Alhasa Mohd Aftar Abu Bakar Anis Asma Ahmad Mohtar Mohd Fadzil Firdzaus Mohd Nor Mohd Talib Latif Haris Hafizal Abd Hamid Sawal Hamid Md Ali Noratiqah Mohd Ariff Johary Anuar Fatimah Ahamad Azliyana Azhari Norfazrin Mohd Hanif Mohammed Ahmed Subhi Murnira Othman Mohd Zaim Mohd Nor |
| author_sort | Mohd Shahrul Mohd Nadzir |
| collection | DOAJ |
| description | Abstract The world is currently going through the COVID-19 pandemic which has caused hundreds of thousands of deaths in just a few months. Considering the need for lockdown measures, most countries, including Malaysia, have implemented ‘Movement Control Orders’ (MCOs) as a prevention step to reduce the deadly spread of this disease. Local and worldwide media have reported the immediate improvement of air quality due to this event. Nevertheless, data on the effects of MCOs on air quality at local scales are still sparse. Here, we investigate changes in air quality during the MCO at an urban area using the air sensor network AiRBOXSense which measures monoxide (CO) and particulate matter (PM2.5 and PM10). In this study, air pollutant data during normal days were compared with MCO days using a reference analyser and AiRBOXSense. The results showed that the levels of the measured pollutants dropped by ~20 to 60% during the MCO days at most locations. However, CO in Kota Damansara (KD) dropped to 48.7%, but PM2.5 and PM10 increased up to 60% and 9.7% respectively during MCO days. Local burning activities in the residential area of KD are believed to be the main cause of the increased PM levels. This study has proven that air pollutant levels have significantly fallen due to the MCO. This air quality level information showed that the reduction of air pollutants can be achieved if traffic and industry emissions are strictly controlled. |
| format | Article |
| id | doaj-art-ea006be456384de1a4887ef6823a1244 |
| institution | Kabale University |
| issn | 1680-8584 2071-1409 |
| language | English |
| publishDate | 2020-05-01 |
| publisher | Springer |
| record_format | Article |
| series | Aerosol and Air Quality Research |
| spelling | doaj-art-ea006be456384de1a4887ef6823a12442025-02-09T12:18:59ZengSpringerAerosol and Air Quality Research1680-85842071-14092020-05-012061237124810.4209/aaqr.2020.04.0163The Impact of Movement Control Order (MCO) during Pandemic COVID-19 on Local Air Quality in an Urban Area of Klang Valley, MalaysiaMohd Shahrul Mohd Nadzir0Maggie Chel Gee Ooi1Kemal Maulana Alhasa2Mohd Aftar Abu Bakar3Anis Asma Ahmad Mohtar4Mohd Fadzil Firdzaus Mohd Nor5Mohd Talib Latif6Haris Hafizal Abd Hamid7Sawal Hamid Md Ali8Noratiqah Mohd Ariff9Johary Anuar10Fatimah Ahamad11Azliyana Azhari12Norfazrin Mohd Hanif13Mohammed Ahmed Subhi14Murnira Othman15Mohd Zaim Mohd Nor16Department of Earth Sciences and Environment, Faculty of Science and Technology, Universiti Kebangsaan MalaysiaInstitute of Climate Change, Earth Observatory Center, Universiti Kebangsaan MalaysiaInstitute of Climate Change, Space Science Centre (ANGKASA), Universiti Kebangsaan MalaysiaDepartment of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan MalaysiaDepartment of Earth Sciences and Environment, Faculty of Science and Technology, Universiti Kebangsaan MalaysiaInstitute of Ocean and Earth Sciences, IAS Building, University of MalayaDepartment of Earth Sciences and Environment, Faculty of Science and Technology, Universiti Kebangsaan MalaysiaDepartment of Earth Sciences and Environment, Faculty of Science and Technology, Universiti Kebangsaan MalaysiaDepartment of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan MalaysiaDepartment of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan MalaysiaPetaling Jaya City Council, Jalan Yong Shook LinInstitute of Climate Change, Centre for Tropical System and Climate Change (IKLIM), Universiti Kebangsaan MalaysiaDepartment of Earth Sciences and Environment, Faculty of Science and Technology, Universiti Kebangsaan MalaysiaDepartment of Earth Sciences and Environment, Faculty of Science and Technology, Universiti Kebangsaan MalaysiaDepartment of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan MalaysiaInstitute for Environmental and Development (LESTARI), Universiti Kebangsaan MalaysiaPetaling Jaya City Council, Jalan Yong Shook LinAbstract The world is currently going through the COVID-19 pandemic which has caused hundreds of thousands of deaths in just a few months. Considering the need for lockdown measures, most countries, including Malaysia, have implemented ‘Movement Control Orders’ (MCOs) as a prevention step to reduce the deadly spread of this disease. Local and worldwide media have reported the immediate improvement of air quality due to this event. Nevertheless, data on the effects of MCOs on air quality at local scales are still sparse. Here, we investigate changes in air quality during the MCO at an urban area using the air sensor network AiRBOXSense which measures monoxide (CO) and particulate matter (PM2.5 and PM10). In this study, air pollutant data during normal days were compared with MCO days using a reference analyser and AiRBOXSense. The results showed that the levels of the measured pollutants dropped by ~20 to 60% during the MCO days at most locations. However, CO in Kota Damansara (KD) dropped to 48.7%, but PM2.5 and PM10 increased up to 60% and 9.7% respectively during MCO days. Local burning activities in the residential area of KD are believed to be the main cause of the increased PM levels. This study has proven that air pollutant levels have significantly fallen due to the MCO. This air quality level information showed that the reduction of air pollutants can be achieved if traffic and industry emissions are strictly controlled.https://doi.org/10.4209/aaqr.2020.04.0163Movement Control OrderCarbon monoxideParticulate matters |
| spellingShingle | Mohd Shahrul Mohd Nadzir Maggie Chel Gee Ooi Kemal Maulana Alhasa Mohd Aftar Abu Bakar Anis Asma Ahmad Mohtar Mohd Fadzil Firdzaus Mohd Nor Mohd Talib Latif Haris Hafizal Abd Hamid Sawal Hamid Md Ali Noratiqah Mohd Ariff Johary Anuar Fatimah Ahamad Azliyana Azhari Norfazrin Mohd Hanif Mohammed Ahmed Subhi Murnira Othman Mohd Zaim Mohd Nor The Impact of Movement Control Order (MCO) during Pandemic COVID-19 on Local Air Quality in an Urban Area of Klang Valley, Malaysia Aerosol and Air Quality Research Movement Control Order Carbon monoxide Particulate matters |
| title | The Impact of Movement Control Order (MCO) during Pandemic COVID-19 on Local Air Quality in an Urban Area of Klang Valley, Malaysia |
| title_full | The Impact of Movement Control Order (MCO) during Pandemic COVID-19 on Local Air Quality in an Urban Area of Klang Valley, Malaysia |
| title_fullStr | The Impact of Movement Control Order (MCO) during Pandemic COVID-19 on Local Air Quality in an Urban Area of Klang Valley, Malaysia |
| title_full_unstemmed | The Impact of Movement Control Order (MCO) during Pandemic COVID-19 on Local Air Quality in an Urban Area of Klang Valley, Malaysia |
| title_short | The Impact of Movement Control Order (MCO) during Pandemic COVID-19 on Local Air Quality in an Urban Area of Klang Valley, Malaysia |
| title_sort | impact of movement control order mco during pandemic covid 19 on local air quality in an urban area of klang valley malaysia |
| topic | Movement Control Order Carbon monoxide Particulate matters |
| url | https://doi.org/10.4209/aaqr.2020.04.0163 |
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