Variation of Ground-Level Ozone Concentration in Urbanized Area in Malaysia

Euroinvent ICIR 2018

Mohamed Noor, N.^1,2 ; Mohamad Hasim, N.I.^1 ; Yusof, S.Y.^1,2

School of Environmental Engineering, Universiti Malaysia Perlis (UniMAP), Perlis, Malaysia^1

Center of Excellence Geopolymer and Green Technology (CEGeoGTech), School of Materials Engineering, Universiti Malaysia Perlis (UniMAP), Perlis, Malaysia^2

关键词: Ambient air quality;    Correlation coefficient;    Diurnal variation;    Ground level ozone concentration;    Low concentrations;    Meteorological parameters;    Ozone concentration;    Surface ozone concentrations;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/374/1/012097/pdf
DOI  :  10.1088/1757-899X/374/1/012097

来源: IOP

【 摘 要 】

The study focused on ground level ozone concentration in 3 selected urbanized areas in Malaysia that are Shah Alam, Ipoh, and Malacca. The main objective of this study is to determine the correlation between the ozone concentration, air pollutant and meteorological parameters. First, the surface ozone concentration was characterised to observe the variation of ozone concentration in the studied areas. The diurnal variation of ozone in all selected urbanized area is characterized by low concentration during early morning and late night and high concentration during day time. The average ozone concentrations are below the limit (0.1 ppm) of Malaysian Ambient Air Quality Guideline permissible level, however high hourly concentration were recorded during the day especially at 1.00 p.m. to 4.00 p.m. The correlation coefficient between ozone and the various meteorological parameters were weak except for certain pollutantssuch as NO2, NOx and CO.