Datasets
NOTE (12/2024): The OpenAhjo API, launched in 2015, has reached the end of its technical lifecycle and has been closed. A replacement API solution providing open data on decisions is planned, but there is no estimate...
The base map of Helsinki is a large-scale (1:500) map maintained by the Urban Environment Division’s City Survey Services and used as a basis for city planning and civil engineering. The base map serves as a map...
The electoral districts of the Helsinki Metropolitan Area is an map published by the cities of Helsinki, Espoo, Kauniainen and Vantaa, describing the voting districts approved by the central election committees, the...
This dataset provides the orthophotographs of Espoo and Kauniainen from 1950, 1969, 1976, 1996 2001, 2005, 2007, 2009, 2011, 2013, 2015, 2017, 2019, 2021 and 2023. API address: WMS:...
This dataset provides statistics on household-dwelling units in Uusimaa by number of people and oldest age as of 31.12.1994.
This dataset provides information on families with children in Vantaa by number of children (regardless of age) beginning from 31.12.1998.
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 calculating the annual electricity production...
The geoenergy map portrays the suitability of soil and bedrock for geoenergy production. The map is based on soil maps of the City of Espoo, soil and bedrock data of the Geological Survey of Finland, map data of the...
The City of Vantaa information systems register describes the city’s information systems as required by the Act on the Openness of Government Activities (621/1999). Taking data security into account, the following...
This dataset provides Helsinki's street cleaning plans. API can be queried for CSV files, see instructions below. Basic query which returns street cleaning plans for the next day:...
UiRaS pilot measures automatically swimming water temperature using sensors, which are located at several swimming places in Helsinki, Espoo and Vantaa. Data from sensors is sent to database every 30 minutes. Data is...
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.
Swedish-speaking population in Helsinki by age, sex and district in 2004-2023. Note: The update of this Excel file has expired until 2023. The statistics are available as open data in the statistics database...
This dataset provides statistics on the dwellings in Espoo by building type and tenure status 2002-.
Population in Helsinki by age and district in 2004-2023. Note: The update of this Excel file has expired until 2023. The statistics are available as open data in the statistics database aluesarjat.fi.
This dataset provides statistics on the population of Uusimaa by age group since 1961.
The city plan is a general plan of the organisation of land use and traffic. Helsinki’s new city plan (2016) covers the entire city, with the exception of Östersundom. The city plan is drawn up in Helsinki...
This dataset contains emissions data of the Helsinki metropolitan area's district heating by production method (by power plant and heating plant) and by sector (households, services and public sector, industry) in...
The dataset consists mainly of building entrances and gates in the center of Helsinki, photographed and geolocated. Most of the data was collected in batches in the summers of 2020 and 2021, but the data has also been...
This dataset provides borders of real estates in Espoo. It is updated on a weekly basis. The dataset is provided by the Public Works Department of Espoo. API addresses: WMS:...