Datasets

Buildings and areas protected by detailed plans in Helsinki. The coordinate system of the dataset is ETRS-GK25. The data can be downloaded in GML, KML, Excel, DWG, DXF, GeoPackage, MapInfo (TAB & MIF) and Esri...

The Statistical Yearbook provides a varied, statistics-based description of Helsinki and its residents. Many of the tables also present comparative data from the rest of the Helsinki Metropolitan Area, the Helsinki...

Monitoring site data includes permanent monitoring sites, mobile monitoring sites and passive samplers, as well as the annual average concentrations (μg/m3) of nitrogen dioxide (NO2) measured at these sites in...

Environmental permits in the City of Helsinki. The Environmental Protection Act defines the activities that require an environmental permit. The Environmental Protection Decree, on the other hand, determines whether...