Datasets
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...
City plans that were approved and came into force in 2020, 2021, 2022 and 2023 are a geographic dataset containing areal geometries. The data contains the delimitations of those city plans that indicate residential...
Completed apartments in 2020, 2021 and 2022 is dataset with point-shaped spatial information covering 14 municipalities in the Helsinki region (Espoo, Helsinki, Kauniainen, Vantaa, Hyvinkää, Järvenpää, Kerava,...
Buildings in the Helsinki metropolitan area has been published on the basis of data from the regional basic register maintained by HSY for the municipalities Helsinki, Espoo, Vantaa and Kauniainen. For Espoo, 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 dataset contains information on valid city plans in the Helsinki metropolitan area (Espoo, Helsinki, Kauniainen, Vantaa) in floor square metres, summed up at the block level (SeutuRAMAVA by block). The data...
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 distance (GSD) is 5 cm/pixel. The...
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 roofs in pixels of 50 cm (kWh/m2/year) with...
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...
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...
The guide map of the Helsinki Metropolitan Area is a map of the area with a generalised documentation technique, produced to assist in positioning and guidance. The guide map is produced from the guide map data...
The material contains approved, legally valid and proposed city plans in the Helsinki region in 2012–2015 in geographic dataset. The Helsinki Region Environmental Services Authority has collected geographic datasets...
The accessibility zones of the Helsinki region's train and metro stations indicate the distance between the stations as the crow flies and a network of light traffic. The circle buffers tell the distance of the...
Accessibility in terms of travel time to train and metro stations in the Helsinki metropolitan area by walking and cycling along light traffic routes. Accessibility zones have been calculated for time spans of 5, 10...
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 general map of the Helsinki Metropolitan Area is a map of the Helsinki metropolitan area with a generalised documentation technique, produced to assist in positioning and guidance. The maps can also be used as...
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...
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,...