Open APIs

Löydä kaikki pääkaupunkiseudun avoimet rajapinnat täältä!

• Domestic hazardous waste collection points in the Helsinki metropolitan area

  Helsinki Region Environmental Services (HSY) collects hazardous waste in Espoo, Helsinki, Kirkkonummi and Vantaa. The material includes hazardous waste collection points....

  • WMS
  • WFS
  • XLSX
  • SHP
  • TAB

• 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

• HSY’s Sortti collection vehicles

  The Sortti collection vehicles (earlier: touring collection vehicles) of the Helsinki Region Environmental Services Authority (HSY) tour every year in Espoo, Kauniainen,...

  • WFS
  • WMS
  • XLSX
  • SHP

• HSY’s stormwater sewerage area

  The data contains information on the extent of HSY’s stormwater sewerage area at property level. The stormwater sewerage area is based on Section 17 a of the Water Services Act....

  • WFS
  • WMS
  • 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

• 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

• 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

• 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

• 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