Urban air pollution is known to cause numerous health problems. The HEREPLUS project aims to evaluate the association between environmental air pollution and health and to provide guidelines for the management and organization of the urban environment. Risk maps were developed by georeferentiation, using hospitalization data and concentration levels of ozone and pollution matter. Data for four European cities involved in the project (Rome, Madrid, Dresden, and Athens) were analysed for the period 2003-2004. In this article, we report results for Rome only. Study findings demonstrated that the green area in a city reduces pollution in a city reduces pollution levels in the atmosphere, thus reducing health risks.
