Datasets
The dataset includes the water channels of Helsinki, i.e. rivers, streams, ditches, riverbeds and the pipelined sections of the biggest channels. The structure of the data follows the data model of the HSY...
Land cover mapping of impervious surfaces in Helsinki Metropolitan Area using AI. The pixel values represent the probability that the pixel is impervious, and they range between 0 and 254. Pixel values above 127 can...
Land cover mapping of bare land in Helsinki Metropolitan Area using AI. The pixel values represent the probability that the pixel is bare land, and they range between 0 and 254. Pixel values above 127 can be...
The prospective green and recreational network VISTRA includes the constituent parts of the Helsinki green and recreational network. These include the green fingers, the maritime blue palm, the green lines, the...
Carbon Sink Mapping of Helsinki Metropolitan Area. The data contains a report (in Finnish) and a GIS dataset. The GIS dataset shows the carbon storage in both soil and vegetation for each vegetated area.
Map level shows real-time air quality as an index of air quality in the permanent and mobile measurement stations of the Helsinki Region Environmental Services (HSY). The measurement result is updated hourly. HSY...
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...
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 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 (in Finnish). The noise mapping in accordance with the EU Environmental Noise Directive was...
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 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...
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 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...
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 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...