PROBLEM TO BE SOLVED: To provide a gas removal element which can sufficiently remove a gaseous pollution substance and is low in cost.SOLUTION: There is provided a gas removal element which has a structure that a solid electrolyte is sandwiched between two active carbon fiber layers that do not come in contact with each other, where the solid electrolyte is a hydrogen ion conductive resin, a BET specific area of an active carbon fiber constituting the active carbon fiber layer is 1,000-2,000 m/g, and at least one active carbon fiber layer of the two active carbon fiber layers contains a copper compound.SELECTED DRAWING: None【課題】ガス状汚染物質を十分に除去することができ、かつ、コストが安いガス除去素子を提供する。【解決手段】本発明に係るガス除去素子は、固体電解質が互いに接することのない2つの活性炭素繊維層に挟まれた構造を有し、前記固体電解質が水素イオン伝導性樹脂であり、前記活性炭素繊維層を成す活性炭素繊維のBET比表面積が1000~2000m2/gであり、かつ、前記2枚の活性炭素繊維層のうち少なくとも一方の活性炭素繊維層が銅化合物を含有する。【選択図】なし