Datasets
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...
The dataset includes data collected with an open map-based survey on the acceptability of wind power in Helsinki. The survey was carried out from 15 June to 31 August 2021, and almost 2,500 people responded. 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...
Helsinki is on course to meet its target to reduce its greenhouse gas emissions by 30 percent by 2020 having already achieved 25 percent reductions since 1990. The city is now preparing to meet its next important...
Helsingin historialliset tilastot on kokoelma Helsingin kaupungin historiaa kuvaavia tilastotietoja väestöstä, asuntokunnista, asumisesta, työelämästä ja koulutuksesta. Tilastojen aikasarjat vaihtelevat alkaen...
Suitable areas for solar panels in the Helsinki metropolitan area. The data indicates potential locations for solar panels. The data presents suitable areas for solar panels. A roof section is suitable for solar...
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 shows the industry noise zones involved in the study calculated with the noise indicators Lden and Lnight according to the Environmental Noise Directive. The data is calculated in 2015. The noise level for...
Monthly and annual averages of air pollutants in the Helsinki metropolitan area, concentrations comparable to standards, maximum hourly values and data on the temporal representativeness of monitoring.
The City of Helsinki's environmental accounts are part of the city's environmental report. It describes the city's income, expenses and investments that have been generated primarily for environmental protection...
The City of Helsinki environment report is a joint report by the City Group that describes the implementation of the city's environmental objectives and the impact of its operations on the environment. The information...
The material contains the air quality indices of HSY’s air quality monitoring sites on an hourly basis. The air quality index divides air quality into five different classes, from good to very poor. The index classes...
A household mixed waste composition study in the Helsinki metropolitan area is carried out every three years. The results are presented in averages and by property group as well %-share and kg/property/resident. The...
The dataset contains information on energy consumption in the Helsinki metropolitan area and separately in the cities of the Helsinki metropolitan area by sector (district heating, oil heating, electric heating,...
The data contains information on usage-based greenhouse gas emissions in the Helsinki metropolitan area and separately in the cities of the Helsinki metropolitan area by sector (district heating, oil heating, electric...
The material contains information on greenhouse gas emissions from traffic in the Helsinki metropolitan area by mode of transport (passenger cars, vans, buses, trucks, motorcycles, ships and boats, and rail transport)...