Open APIs

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• Helsinki Region Transport stations by line

  Helsinki Region Transport's (HSL) stations by line 2021-2022. Data attributes and preview in HSL's website.

  • SHP
  • KML
  • CSV
  • GEOJSON
  • GEOSERVICE

• 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

• Parking facilities near public transportation hubs in Helsinki Region

  Note: Park-and-ride (last updated in May 2024) was HSL's service that has now been replaced by Finntraffic's LIIPI. The new service can be found at...

• General guide map of the Helsinki Metropolitan Area

  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...

  • WMS
  • TIFF

• 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

• 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

• 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

• 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

• Water posts in the Helsinki metropolitan area

  The dataset provides the locations of public water posts in the Helsinki metropolitan area. City residents can freely fetch water from the water posts (e.g. fill their water...

  • WFS
  • WMS
  • SHP
  • TAB

• Helsinki metropolitan postal code areas

  The postal code areas of Helsinki metropolitan area has been produced at HSY together with the cities of Helsinki, Espoo and Vantaa. The data contains precise area boundaries...

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

• Helsinki metropolitan area Address Catalogue

  The regional address catalogue contains information about the addresses and place names of properties and plan units located in the area (so-called zero address). The...

  • WMS
  • WFS

• Population grid of Helsinki metropolitan area

  The population grid contains grid-based data on the population total, age distribution and occupancy rate of the Helsinki metropolitan area. The material covers the years...

  • WFS
  • WMS
  • SHP
  • TAB
  • KML

• Lot reserve in the Helsinki Metropolitan Area (SeutuRAMAVA)

  SeutuRAMAVA contains data on lot reserve based on the reserve of legally valid city plans in the Helsinki metropolitan area. The data has been calculated for the data by...

  • WFS
  • SHP
  • TAB
  • KML
  • XLSX
  • CSV

• Building information grid of the Helsinki metropolitan area

  The building information grid contains grid-based data on the number, floor area and purpose of use of buildings as well as area density in the Helsinki metropolitan area. Data...

  • WFS
  • WMS
  • SHP
  • TAB
  • KML

• Helsinki region map

  The regional map is general map dataset compiled from the data of the 14 municipalities in the Helsinki region. The map is divided into sections describing land use (built-up...

  • WMS
  • WFS
  • TAB

• Helsinki metropolitan area Service Map APIs

  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...

  • JSON
  • WFS