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 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 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...
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 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 material describes the heat loss from the roofs of Helsinki. Thermal radiation detected on the roofs of buildings is presented in 30 cm pixels. The roofs of Helsinki were photographed using a thermographic camera...
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 dataset provides the locations of public water posts in the Helsinki metropolitan area. City residents can freely fetch water from the water posts (e.g. fill their water bottles). The attribute data includes the...
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 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...