The data contains information on the extent of HSY’s stormwater sewerage area at property level. The stormwater sewerage area is based on Section 17 a of the Water Services Act. A property located in the stormwater...

The landscape culture map shows the most important cultural sites, parks, gardens and landscapes in Helsinki. The starting point was the cultural environment studies carried out in connection with the 2002 Master...

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 Urban tree database of Helsinki (Puuatlas) is a system of the City of Helsinki’s Urban Environment Division that contains information about the street and park tree assets in public areas (streets, squares,...

Valuable environments in the public areas inventoried by the Urban Environment Division the City of Helsinki. These are historically or culturally significant sites or represent the art of urban construction or design...

The 3D urban data model of Espoo covers all types of features included and described in the CityGML standard, with the exception of engineering structures, such as bridges and tunnels. The 3D urban data model of Espoo...

The dataset shows the areas where the annual limit value for nitrogen dioxide (40 µg/m3) has exceeded or has been in danger of exceeding. In 2022 it was estimated that the annual limit value of nitrogen dioxide will...

The data includes the results of the noise survey (in Finnish) completed in Helsinki in the summer of 2017 and in 2022. The noise mapping in accordance with the EU Environmental Noise Directive was carried out for the...

With the Nature Information System, you can get to know the diverse nature of Helsinki. The most important natural resources of the system are nature conservation sites, valuable flora and fauna sites, important bird...

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...

There are two next generation 3D city models of Helsinki available: a semantic city information model and a visually high-quality reality mesh model. You can view the 3D city model and download its information at...

The weekly updated accurate water areas in color. Together with wide streams and ditches. Pier structures are visible. The recommended scale is 1:1000-1:10000. Coordinate systems: Maintained in ETRS-GK25 (EPSG:3879)...

The data includes current built green roofs, spontaneously created green roofs, and potential green roofs in the Helsinki metropolitan area. The material was produced by first identifying the buildings with more than...

The data contains the photovoltaic production potential calculated per building, provided that the entire area suitable for solar panels is covered with solar panels. When calculating the annual electricity production...

In the dataset, the land area is classified into impermeable surfaces such as streets and buildings, vegetation of different heights, open rock, and bare ground. It is used for example in stormwater management,...

Upward direct or reflected lighting (nW/cm2/sr) at night in the Helsinki metropolitan area. The images were taken in May 2014. The data was completed in the Decumanus project and it was produced by Eurosense, a...

The dataset shows the industry noise zones involved in the study calculated with the noise indicators Lden and Lnight according to the Environmental Noise Directive. The noise level for the entire day, i.e. the...

The City of Helsinki Urban Environment Division manages the city’s public areas and gives the necessary landowner’s consent for the land use of public areas (e.g. construction, installation of structures, events,...

The register of public areas (YLRE) is a system of the Helsinki Urban Environment Division that contains information about the city’s street and green areas. The dataset is maintained for the use of the division and...

The Service Map is an open information channel on the service points and services offered by the cities of Helsinki, Espoo, Vantaa and Kauniainen. The Service Map helps the inhabitants of the municipality find current...