Pencemaran udara pada masa kini sudah menjadi satu fenomena yang tidak
asing lagi di bandar raya Kuala Lumpur. Sebagaimana yang diketahui, pencemaran
udara merupakan fenomena yang merbahaya dan mengancam kualiti kehidupan serta
alam sekitar. Tujuan kajian ini dijalankan ialah untuk memahami corak perubahan
kepekatan PM10 dan CO di dalam lingkungan rangkaian set masa di stesen
permonitoran terpilih. Stesen ini terletak di salah sebuah bandar di Malaysia iaitu
Kuala Lumpur dan mempunyai jaringan lalulintas yang sibuk. Data kepekatan bagi
PM10 dan CO dicerap setiap jam dan setiap hari selama 8 bulan bermula dari bulan
Januari sehingga bulan Ogos. Data yang dicerap ini akan di manipulasikan ke dalam
bentuk set data berkala. Dengan membuat analisis secara statistik dan analisis
menggunakan graf, data-data tersebut akan dianalisis dan akhirnya variasi kepekatan
bagi PM10 dan CO akan dapat di takrifkan. Daripada kajian yang telah dijalankan,
didapati paras persekitaran ambien CO adalah rendah berbanding paras persekitaran
ambien bagi PM10. Berdasarkan analisis yang dibuat didapati nilai purata kepekatan
CO sepanjang 8 bulan ialah 2.52 ppm sementara nilai purata bagi PM10 pula ialah
77.64 g/m3. Paras kepekatan CO adalah jauh lebih rendah berbanding dengan nilai
had standard maksimum yang dibenarkan untuk persekitaran ambien iaitu 30 ppm
untuk tempoh purata satu jam seperti yang telah ditetapkan dalam ‘Malaysian
Guidelines’. Sementara itu, kepekatan purata bagi PM10 pula adalah tinggi tetapi
masih berada dalam lingkungan had standard yang dibenarkan seperti tertakhluk
dalam ‘Malaysian Guidelines’ iaitu tidak melebihi had standard maksimum 150
µg/m3 untuk tempoh purata 24 jam.
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Air pollution is now becoming a common feature in Kuala Lumpur city. It has
assumed an important level to the proportion that the city populace recognises its
presence. The future of air pollution in the city seems to be bleak. From one stand
point, air pollution although dangerous and threatening to the quality of life and
environment, it is a luxurious problem and relatively remote in priority to the general
public. This research is carried out to understand the changes in trend of particulate
matter (PM10) and carbon monoxide (CO) concentration within a set time frame or
limit in the selected monitoring sites which is located in heavily trafficked urban area
of Malaysia which is Kuala Lumpur. Hourly and daily concentration of particulate
matter and carbon monoxide are collected over an 8-month period from January to
August. By using the statistical and graphical analysis, the data will be analysed and
as the results, the variation of concentration for both particulate matter (PM10) and
carbon monoxide (CO) will be define from the analysis. From the research, the
results shows that the ambient level of carbon monoxide was relatively low as
compared to the particulate matter. Based on the analysis, it was found that the
annual average CO value is 2.52 g/m3 while the annual average PM10 value is 77.64
g/m3. It was shows that average PM10 levels in Kuala Lumpur network are generally
higher than average CO levels. The concentrations levels of CO were far below the
maximum limit of 30 ppm for one hour averaging time set by the Malaysian
Guidelines. On the other hand, the PM10 mean concentration was higher but still not
exceed the maximum limit 150 µg/m3 for the 24 hour averaging time which also set
by the Malaysian Guidelines.
Temporal relationship between particulate matter (PM10) and carbon monoxide (CO) in Kuala Lumpur / Nurul Adyani Ghazali