The present invention relates to a photoactive fabric for purifying air and a method of producing thereof, the method comprising the steps of: preparing a graphene oxide suspension; preparing a metal oxide suspension; preparing a dopant suspension; and mixing the graphene oxide suspension, the metal oxide suspension and the dopant suspension to form a mixture; characterized by subjecting the mixture to photoreduction process to simultaneously reduce and dope the graphene oxide so as to obtain a doped and reduced graphene oxide/metal oxide nanocomposite as a photocatalyst; dispersing the photocatalyst; and coating the photocatalyst on a fabric.