Open APIs

Löydä kaikki pääkaupunkiseudun avoimet rajapinnat täältä!

• Buildings in the Helsinki metropolitan area

  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,...

  • 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

• Lot reserve in the Helsinki Metropolitan Area per block (SeutuRAMAVA)

  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...

  • WFS
  • WMS
  • SHP
  • TAB
  • KML
  • XLSX

• Gross floor area of housing in new city plans for the Helsinki region 2016–2019

  City plans that were approved and came into force in 2016–2019 are a geographic dataset containing areal geometries. The data contains the delimitations of those city plans that...

  • WFS
  • SHP
  • TAB

• 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

• Housing production in the Helsinki region 2016-2019

  Started and completed apartments in 2016-2019 is dataset with point-shaped spatial information covering 14 municipalities in the Helsinki region (Espoo, Helsinki, Kauniainen,...

  • WFS
  • SHP
  • TAB

• 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

• 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

• Floor area of housing in new city plans for the Helsinki region 2012–2015

  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...

  • SHP
  • TAB
  • CSV
  • WFS
  • WMS

• Housing production in the Helsinki region 2012-2015

  The material contains location-specific data collected on a calendar year basis on housing production in the Helsinki region in 2012-2015. The data covers the 14 municipalities...

  • WFS
  • SHP
  • TAB
  • CSV

• 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

• Helsinki region station area buffers

  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...

  • WFS
  • WMS
  • SHP

• Influence areas of stations in Helsinki region

  Influence areas of train and metro stations in the Helsinki region along the light traffic road network. Influence area refers to the area surrounding a station from which there...

  • SHP
  • TAB
  • WFS

• Walking and bicycling travel time matrix for Helsinki Metropolitan Area metro and train stations

  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...

  • 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

• 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

• Suitable areas for solar panels in Helsinki metropolitan area

  Suitable areas for solar panels in the Helsinki metropolitan area. The data indicates potential locations for solar panels. The data presents suitable areas for solar panels. A...

  • SHP