Problem to be solved: to provide a deodorizing filter material excellent in deodorization performance of aldehydes.Solution: the deodorizing filter material of the present invention has a laminate structure in which an adsorbent and an adhesive are mixed between an adsorbent and an adhesive of an amine compound in the inter layer of the base material, and the adsorbent is contained in the upstream direction in the direction of ventilation out of the substrate layer The substrate layer is made of a nonwoven fabric containing 0.1 g \/ m.sup. 2 to 20 g \/ m.sup. 2 having a first acid dissociation constant of 4 or less.No selection【課題】アルデヒド類の脱臭性能に優れた脱臭濾材を提供する。【解決手段】本発明の脱臭濾材は、基材層間にアミン系化合物が1~30重量%担持された吸着材及び接着剤が挟み込まれた積層構造を有し、前記吸着材はシリカゲルを含み、前記基材層のうち通気方向の上流に配置される基材層は、第一酸解離定数が4以下の薬剤が0.1g/m2~20g/m2添着されている不織布から成る。【選択図】なし