Structure (1) for stabilizing humidity for air sanitation, comprising an outer covering casing (2) with longitudinal shape along a vertical axis, with a lower air intake opening (3), a top opening (4) exit from it and, inside which has a means of forced circulation of air along an interior passage between said lower and outer openings (3, 4) and air filtering means, characterized in that understands - means for generating humidity (8), arranged inside the casing (2), in the lower part of the structure (1), located in the interior passage zone of the forced air circulation means, such that the air entering through the lower opening (3) passes through the moisture generating means, and； - means for generating uv rays (5), arranged inside the housing (2), in the upper part of the structure (1), located in the interior passage zone of the forced air circulation means, such that the air before its exit through the upper opening (4) passes through the means for generating uv rays； - where the air filtering means comprise a storage device for reactive material, arranged between the humidity generating means (8) and the means for generating uv rays (5) and formed by at least one pressure tube ( 6) of transparent methacrylate, longitudinally and vertically, comprising in its interior a plurality of transparent filter capsules (7) accommodating the reactive material arranged consecutively along the pressure tube (6). (Machine-translation by Google Translate, not legally binding)1. Estructura (1) de estabilización de la humedad para la higienización del aire, que comprende una carcasa (2) exterior de recubrimiento con forma longitudinal según un eje vertical, con una abertura inferior (3) de entrada de aire, una abertura superior (4) de salida del mismo y, en cuyo interior presenta unos medios de circulación forzada del aire a lo largo de una zona interior de paso entre dichas aberturas inferior y exterior (3, 4) y unos medios de filtrado del aire, caracterizado porque compren
