Spatial Distribution of Ground Level Ozone Concentrations in Klang Valley Norrimi Rosaida Awang, Wan Amar Akram Wan Azlan, Amni Umirah Mohd Nadzir, Muhammad Sharmin Romazai and Mohamad Nasrufarisham Juhan BIO Web Conf., 131 (2024) 05008 Published online: 15 October 2024 DOI: 10.1051/bioconf/202413105008