Datasets
Koulurekisteri is the school history database operated by the Helsinki City Archives. It is the most comprehensive listing available of the history of all schools in the City of Helsinki area, starting from the...
Helsinki City Museum has made more than 48,000 of its materials available under open licence through the Finna service, which contains material-specific descriptions. In Finna, you can find, for example, all 906...
Helsingin historialliset tilastot on kokoelma Helsingin kaupungin historiaa kuvaavia tilastotietoja väestöstä, asuntokunnista, asumisesta, työelämästä ja koulutuksesta. Tilastojen aikasarjat vaihtelevat alkaen...
The data includes the daily number of visitors to Korkeasaari Zoo since the beginning of 2010. The data contains a breakdown of tickets for adults and children, family tickets, free visits and visits with the...
You can use Helsinki’s Linked Events API to retrieve event data of several City of Helsinki divisions and the Helmet library service in a uniform format. The geographic data is linked to the City of Helsinki’s office...
The regional statistics interface enables the computerised retrieval of statistical data in Greater Helsinki’s Aluesarjat (in Finnish) statistical database in different file formats, such as XLSX, CSV, JSON and...
Helsinki Metropolitan Area (Helsinki, Espoo, Vantaa and Kauniainen) service register REST API. The interface offers possibilities to make queries and use the data in the Helsinki, Espoo, Vantaa and Kauniainen Service...
Interface (API) to the City of Helsinki feedback system. Feedback from all City departments is published through the API, and can be used for example by businesses and other actors. Currently (2025), only less than...
The dataset includes the metadata of all open data found in the Helsinki Region Infoshare (HRI) online service for open data. The metadata can be read through the CKAN data catalogue interface. Through the interface,...
Traffic data from Helsinki contains data about motor traffic: traffic volume, speed, amounts of different types of vehicles). The data consists of three different datasets in variable formats (CSV, gis-APIs: WFS and...
The Service Map developed by the City of Helsinki shows the locations and services offered by the cities of the Helsinki Metropolitan Area, as well as Vantaa and Kerava and Western Uusimaa Wellbeing areas. The map...
Helsinki Environmental Statistics is an online statistics service collecting the essential variables describing the state of the environment and burdens on the environment in Helsinki. As a rule, the data of the...
Helsinki Channel’s (helsinkikanava.fi) videos and metadata are available through an open programming interface. The Helsinki Channel provides webcasts and publishes recordings of meetings of the Helsinki City...
Data from the HelMet libraries’ catalogue in a machine-readable format. The data source contains the descriptions of approximately 680,000 books, records, sheet music publications and other materials found in the...