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...
Municipalities
WFS
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...
Municipalities
WFS
TAB
WMS
XLSX
SHP
You can also access this registry using the API (see API Documentation).