Kimuya, A. M., J. . Mugi Kabui, J. . Achieng, A. . Ziro, A. . Olago, A. . Mutinda Mwendwa, B. . Mulwa, S. . Muriuki Njogu, D. . Mwenda Kinyua, and D. . Maitethia Memeu. “Assessment of Particulate Matter (PM) Levels in Urban Centers in Kenya: A Case Study of Meru Town, Kisumu, and Nairobi”. African Journal of Science, Technology and Social Sciences, vol. 4, no. 2, Aug. 2025, pp. PAS 25-45, doi:10.58506/ajstss.v4i2.273.