Spatio-Temporal Analysis and Real-Time Air Quality Monitoring Using Historical Data and Laravel: A Decision Tree-Based Web GIS SystemAnnisa Puspa Kirana, Wildan Abdul Rachman Saleh, Wilda Imama Sabilla, Candra Bella Vista, Rokhimatul Wakhidah and Vivi Nur WijayaningrumE3S Web Conf., 611 (2025) 01002DOI: https://doi.org/10.1051/e3sconf/202561101002