Datasets
In spring 2017, the cities of Helsinki and Vantaa conducted a survey on residents’ perceptions and attitudes regarding the state of the environment, environmental protection and the development of the city. The...
Map data that shows the amount of solar radiant energy calculated on the roofs of buildings in the Helsinki metropolitan area. The solar radiant energy has been modelled on roofs in pixels of 50 cm (kWh/m2/year) with...
The data includes monthly amounts of waste (biowaste, carton packages, glass packages, mixed waste, plastic packages waste, small metal items) measured in tons collected from residential properties and the...
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...
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.
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,...
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 data includes traffic noise zones in the Helsinki metropolitan area (Helsinki, Espoo, Vantaa and Kauniainen). The dataset contains a breakdown of road and rail traffic noise zones, as well as day and night times....
Aerial orthoimages of the Helsinki metropolitan area from 2015 to 2023. The latest orthoimages of the Helsinki metropolitan area were acquired in June 2023. The ground sampling distance (GSD) is 5 cm/pixel. The...
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...
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...
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...
Responses to the customer survey conducted annually by HSY, question 11: "Which of the following types of waste do you sort yourself and how regularly?", years 2007-2017. The survey examines the behaviour of the...
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 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...
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...
The statistics are based on waste quantity data collected from companies and entities. Waste amounts are reported by waste fraction in terms of industry averages, kg/man-year. The statistics can be found from...
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 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...