Sarala, R. and Ponmagal, R.S. 2026. Explainable Water Quality Index Forecasting Framework Using Hybrid Graph Attention and Transformer Networks for Intelligent Early Warning Systems. International Academic Journal of Science and Engineering. 13, 3 (Sep. 2026), 417–431. DOI:https://doi.org/10.71086/IAJSE/V13I3/IAJSE13125.