Khan, S.; Sana Ullah; Mudasir Shah; Sheroz Tahir; Muhammad Zaid Bukhari; Taimoor Abbas Khan; Muhammad Salman Azhar. Design, Fabrication and Performance Analysis of a Solar Powered Outdoor Air Purifier Integrating HEPA Filtration and Lime-Soda CO₂ Absorption. IJIST 2026, 8, 1714-1736.