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22 datasets found
City of Helsinki riverbeds, streams and ditches
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...
WMS
WFS
Bare land identified by artificial intelligence in Helsinki Metropolitan Area
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....
WFS
WMS
SHP
Impervious surfaces identified by artificial intelligence in Helsinki Metropolitan Area
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...
WFS
WMS
SHP
Helsinki Open Space Plan (VISTRA)
The prospective green and recreational network VISTRA includes the constituent parts of the Helsinki green and recreational network. These include the green fingers, the...
WMS
WFS
Carbon sink mapping of Helsinki metropolitan area
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...
WMS
WFS
Real time air quality at HSY monitoring sites
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...
WMS
WFS
Hillshading of the City of Helsinki
The Helsinki hillshading image, or shaded relief image, is a raster data that visualises elevation variations in the terrain. The dataset was produced from the 2017 “ground...
WMS
Helsinki landscape culture
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...
WMS
WFS
Orthophotos of the Helsinki metropolitan area
Aerial orthoimages of the Helsinki metropolitan area from 2015 to 2023. The latest orthoimages of the Helsinki metropolitan area were acquired in June 2023. The ground sampling...
WMTS
WMS
Amount of solar radiant energy on the roofs in the Helsinki Metropolitan Area
Map data that shows the amount of solar radiant energy calculated on the roofs of buildings in the Helsinki metropolitan area. The solar radiant energy has been modelled on...
WMS
Area where the annual limit value for nitrogen dioxide has been exceeded in the Helsinki metropolitan area
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...
WFS
WMS
SHP
Traffic noise zones in Helsinki
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...
WMS
WFS
Base map of the City of Helsinki
The base map of Helsinki is a large-scale (1:500) map maintained by the Urban Environment Division’s City Survey Services and used as a basis for city planning and civil...
PNG
WMS
Helsinki's nature information system
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,...
WMS
WFS
Air quality monitoring sites and annual nitrogen dioxide (NO2) averages in the Helsinki metropolitan area
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...
WFS
WMS
XLSX
SHP
TAB
Green roofs in the Helsinki metropolitan area
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...
WFS
WMS
SHP
Heat loss from buildings in Helsinki
The material describes the heat loss from the roofs of Helsinki. Thermal radiation detected on the roofs of buildings is presented in 30 cm pixels. The roofs of Helsinki were...
WMS
Photovoltaic potential in the Helsinki metropolitan area
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...
WFS
WMS
SHP
Helsinki region land cover dataset
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...
WFS
WMS
Night-time lighting of the Helsinki metropolitan area in satellite imagery
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...
WMS
WFS
SHP
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