Abstract
Urban pollution has now become increasingly recognized as an important determinant of air pollution in developed countries. The effect of urban air pollution in developing countries, on the other hand, has not been adequately addressed in the data Spatio-temporal time series. Thus, this study was intended to characterize the effect of urbanization on air pollution for an urbanized Klang Valley, Malaysia using Spatio-temporal data from 2008 to 2017. The Air Pollution Index (API) data and local pollutant concentration were employed to establish the links between urban air pollution. The analysis will be supported by determining the source of pollutants during the study period using Principal Component Analysis (PCA). The study identified that Carbon monoxide (CO), Nitrogen Dioxide (NO2), and Ozone (O3) are the major air pollution that has contributed to degrading air quality in the Klang Valley due to the vehicles, combustion process, and industries.
Highlights
Understanding the patterns and the magnitude of pollution in the urban environment is increasingly important (Adedeji, Oluwafunmilayo, & Oluwaseun, 2016)
The study identified that Carbon monoxide (CO), Nitrogen Dioxide (NO2), and Ozone (O3) are the major air pollution that has contributed to degrading air quality in the Klang Valley due to the vehicles, combustion process, and industries
The daily reading of Air Pollution Index (API) was compared to the Malaysian Ambient Air Quality Standard (MAAQS)
Summary
Understanding the patterns and the magnitude of pollution in the urban environment is increasingly important (Adedeji, Oluwafunmilayo, & Oluwaseun, 2016). This link exists due to how urbanisation increases the intensity of human social and economic activities, leading to air pollution through fossil fuels (Wang et al, 2020). According to the 10th Malaysia Plan, the rate of urbanisation in Malaysia has increased from 25% in 1960 to 65% in 2005, with the expected increase of 75% of the population residing in the Klang Valley conurbation by 2020 (Shafiee & Mahmud, 2020)
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