The book is dedicated to the ecology of urban housing; it examines the polluted environment of an apartment - air, water, food, as well as its physical characteristics (radiation, magnetic fields, noise, lighting). It contains a description of the methods and instruments of environmental express analysis used in the inspection of premises; recommendations on comfortable furnishing of the apartment, rational arrangement of furniture. A special part summarizes materials on the paraecology of housing. The book is intended for a wide range of readers, including students of primary and secondary environmental educational institutions, university students, students of secondary schools with an environmental focus, for housewives and readers interested in issues of practical ecology, safety and comfort of home.