An air-suspended material collecting material that can be collected without being charged and aggregated in the air-suspended material, an air purification member and an air purification device using the same. An airborne substance trapping material is a porous body made of solid fibrous nano-titanium oxide having a composition of (K, H) 2Ti2O5, and is used for collecting airborne substances. . The air purification member 1 includes a frame body 2, a support body 3, and a porous body 4 carried on the support body 3. The air purification device 11 includes a duct 12 having one end portion as an intake port 13 and the other end portion as a return air port 14, and an air purification member 15 (1) disposed in the duct 12. [Selection] Figure 3【課題】空気中の浮遊物に荷電させて凝集させることなく、捕集することができる空気中浮遊物捕集材、これを用いる空気浄化部材及び空気浄化装置を提供する。【解決手段】空気中浮遊物捕集材は、（Ｋ、Ｈ）２Ｔｉ２Ｏ５の組成を備える中実長繊維状ナノ酸化チタンからなる多孔質体であり、空気中の浮遊物の捕集に用いられる。空気浄化部材１は、枠体２と、支持体３と、支持体３に担持された多孔質体４とからなる。空気浄化装置１１は、一方の端部を吸気口１３とし他方の端部を還気口１４とするダクト１２と、ダクト１２内に配置される空気浄化部材１５（１）とを備える。【選択図】 図３
