Hygienic requirements for housing take into account the close relationship between the living conditions of a person and his state of health. The premises should be sufficiently spacious and dry, well lit by direct and diffused sunlight, ventilated, have a favorable microclimate and an unpolluted air environment.
Room temperature depends on climatic conditions. In the northern regions it should be within 20-21 ° C in temperate latitudes – 18-19 ° C, in a hot belt – 17-18 ° C.
One of the elements of the living room microclimate is relative humidity. At a room temperature of 18-20 ° C, it should be within 40-60%.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.