Datasets
Citynature.eu offers an open REST API interface that can be used to utilise the information about nature trails from both Helsinki and Tallinn available on the site. The contents of the website are not available in...
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 (SeutuRAMAVA by block). The data...
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 indicate residential floor area. HSY...
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 distance (GSD) is 5 cm/pixel. The...
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 roofs in pixels of 50 cm (kWh/m2/year) with...
Started and completed apartments in 2016-2019 is dataset with point-shaped spatial information covering 14 municipalities in the Helsinki region (Espoo, Helsinki, Kauniainen, Vantaa, Hyvinkää, Järvenpää, Kerava,...
The Statistical Yearbook provides a varied, statistics-based description of Helsinki and its residents. Many of the tables also present comparative data from the rest of the Helsinki Metropolitan Area, the Helsinki...
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 annual limit value of nitrogen dioxide will...
A component master plan supplements or amends the master plan for the entire municipality. The master plan is a general plan of the organisation of land use and traffic that covers the whole city. The master plan...
The Helsinki component master plans index is a combined map of the component master plans valid in the city. The purpose of the master plan is to provide general guidance on the community structure and land use of a...
The Master Plan 2002 is a general plan of the City of Helsinki for the organisation of land use and traffic that covers the whole city. A new master plan is drawn up in Helsinki approximately every ten years and it...
The data includes the results of the noise survey (in Finnish) completed in Helsinki in the summer of 2017. The noise mapping in accordance with the EU Environmental Noise Directive was carried out for the third time....
The dataset includes the up-to-date partition of real estate in the administrative area of the City of Helsinki and a limited set of attributes extracted from the municipal register. The following attributes have...
The dataset includes the unseparated parcels in the administrative area of the City of Helsinki and a limited set of attributes extracted from the municipal register. Parcel refers to an area of a property with...
The building prohibitions dataset is a thematic map compiled by the City Survey Services of the City of Helsinki’s Urban Environment Division on the city’s existing building prohibition areas. An area or property may...
An API for making resource reservations, such as booking a practice room or a meeting space. API location: https://api.hel.fi/respa/v1/ Reservation booking system or Respa is a prototype service that aims to provide...
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 cadastral map of Helsinki is a general terrain map showing the property codes and boundaries in the administrative area of the City of Helsinki. The cadastral map also shows the boundaries and codes of plot...
The pictorial map is a bird’s-eye view map of the inner city of Helsinki. Buildings and other features are presented in 3D. The map covers the southern inner city of Helsinki. The scale of the dataset is 1:6,700....
With the Nature Information System, you can get to know the diverse nature of Helsinki. The most important natural resources of the system are nature conservation sites, valuable flora and fauna sites, important bird...