Datasets

In order to identify the individual tree trunks, we have first produced a canopy covering material. It was obtained using the NDVI raster (from regional false color orthophoto 2013) and building polygons. Objects with...

The dataset includes the water channels of Helsinki, i.e. rivers, streams, ditches, riverbeds and the pipelined sections of the biggest channels. The structure of the data follows the data model of the HSY...

Helsinki Region Environmental Services (HSY) collects hazardous waste in Espoo, Helsinki, Kirkkonummi and Vantaa. The material includes hazardous waste collection points. Hazardous waste from households is accepted at...

Land cover mapping of impervious surfaces in Helsinki Metropolitan Area using AI. The pixel values represent the probability that the pixel is impervious, and they range between 0 and 254. Pixel values above 127 can...

Land cover mapping of bare land in Helsinki Metropolitan Area using AI. The pixel values represent the probability that the pixel is bare land, and they range between 0 and 254. Pixel values above 127 can be...

Urban weather model results of the URCLIM project. Data includes temperature at 2m high, moderate and strong heat stress during summer months and road weather for traffic and pedestrians during winter. Average daily...

The prospective green and recreational network VISTRA includes the constituent parts of the Helsinki green and recreational network. These include the green fingers, the maritime blue palm, the green lines, the...

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.

Map level shows real-time air quality as an index of air quality in the permanent and mobile measurement stations of the Helsinki Region Environmental Services (HSY). The measurement result is updated hourly. HSY...

The Sortti collection vehicles (earlier: touring collection vehicles) of the Helsinki Region Environmental Services Authority (HSY) tour every year in Espoo, Kauniainen, Helsinki, Vantaa and Kirkkonummi. The data...

The data contains information on the extent of HSY’s stormwater sewerage area at property level. The stormwater sewerage area is based on Section 17 a of the Water Services Act. A property located in the stormwater...

The landscape culture map shows the most important cultural sites, parks, gardens and landscapes in Helsinki. The starting point was the cultural environment studies carried out in connection with the 2002 Master...

Buildings and areas protected by detailed plans in Helsinki. The coordinate system of the dataset is ETRS-GK25. The data can be downloaded in GML, KML, Excel, DWG, DXF, GeoPackage, MapInfo (TAB & MIF) and Esri...

The Urban tree database of Helsinki (Puuatlas) is a system of the City of Helsinki’s Urban Environment Division that contains information about the street and park tree assets in public areas (streets, squares,...

Valuable environments in the public areas inventoried by the Urban Environment Division the City of Helsinki. These are historically or culturally significant sites or represent the art of urban construction or design...

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...

The City of Helsinki's noise report, which complies with the EU's Environmental Noise Directive (END), examines the environmental noise caused by road and rail traffic in the Helsinki area. The noise report has been...

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...

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...

There are two next generation 3D city models of Helsinki available: a semantic city information model and a visually high-quality reality mesh model. You can view the 3D city model and download its information at...