This presentation of data on the environment in Copenhagen, Denmark, is intended to give information on how the quality of the environment and the factors that influence it have developed during the last few years. A number of background factors on human activities primarily concerned with housekeeping, industry and traffic conditions, which can originate pollution, are described. Pollution sources, with regard to noise pollution, wastes and sewage are dealt with. The actual quality of the environment in this Danish urban area is characterized, and conditions of air, soil, water and noise pollution are clarified. Initiatives taken to reduce pollution in the area are explained, also in relation to the involved local authority expences. Data is presented in the form of graphs, tables and small maps. (AB).