Datasets
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...
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 (NO2) measured at these sites in...
The guide map of the Helsinki Metropolitan Area is a map of the area with a generalised documentation technique, produced to assist in positioning and guidance. The guide map is produced from the guide map data...
The material contains approved, legally valid and proposed city plans in the Helsinki region in 2012–2015 in geographic dataset. The Helsinki Region Environmental Services Authority has collected geographic datasets...
The guide map of Espoo and Kauniainen is a dataset with a fairly generalised position accuracy, which is made to give a wide overview of the entire cities and to guide people to a specific address. The optimum...
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 been calculated for time spans of 5, 10...
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 buffers tell the distance of the...
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 identifying the buildings with more than...
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 guidance. The maps can also be used as...
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...
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 and it was produced by Eurosense, a...
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 example in stormwater management,...
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 and information on postal codes and...
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 information in the regional address catalogue is...
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 is available from 1997–2003 and from...
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 1997–2003 and 2008–. Attribute data...
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 area, undeveloped area, industrial area,...
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...