Datasets
Elevation model of the City of Helsinki. The resolution is 50 cm / pixel. Previewing the data in the kartta.hel.fi service: Elevation model (2021) Coordinate systems: Maintained in ETRS-GK25 (EPSG:3879). Can be...
Monthly and annual averages of air pollution, concentrations comparable to norms, maximum hour values and data on the temporal representativeness of measurements in Uusimaa.
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...
Data related to Espoo’s nature and environment can be accessed through the city’s WFS and WMS geographic data interfaces. The datasets include nature reserves, traditional landscapes, nature trails and valuable...
Citynature.eu offers an open REST API interface that can be used to utilise the information about nature trails from both Helsinki and Tallinn available on the site. The contents of the website are not available in...
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...
The data contains information on the energy consumption, production and greenhouse gas emissions of the Helsinki Region Environmental Services Authority (HSY) in 2010-2023 as well as similar operations in 2009. The...
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 data includes the results of the noise survey (in Finnish) completed in Helsinki in the summer of 2017. The noise mapping in accordance with the EU Environmental Noise Directive was carried out for the third time....
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...
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...
Environmental permits in the City of Helsinki. The Environmental Protection Act defines the activities that require an environmental permit. The Environmental Protection Decree, on the other hand, determines whether...
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....