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 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 material contains location-specific data collected on a calendar year basis on housing production in the Helsinki region in 2012-2015. The data covers the 14 municipalities in the Helsinki region. Housing...
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...
Influence areas of train and metro stations in the Helsinki region along the light traffic road network. Influence area refers to the area surrounding a station from which there is a shorter distance along the road...
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...
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...
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,...
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...
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...
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 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 material covers basic data on water utility operations and resulting indicators. The data is submitted annually to the information system of the Finnish Water Utilities Association (FIWA). The material includes...
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 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)...
This dataset contains emissions data of the Helsinki metropolitan area's district heating by production method (by power plant and heating plant) and by sector (households, services and public sector, industry) in...