Nguyen Thi Diem, T., Nguyen Thi Huynh, M. and Tran Quang, T. 2025. The Use of Machine Learning Algorithms for Water Quality Index Prediction in the Sai Gon River, Vietnam. Applied Environmental Research. 47, 2 (May 2025). DOI:https://doi.org/10.35762/AER.2025018.