Datasets

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 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 dataset includes residents’ views on the future of the City of Vantaa. The data was compiled through an online survey in spring 2017. The survey data covers residents’ wishes for the future and their views on the...

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 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...

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...

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,...

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.

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 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...

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...

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)...

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...

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 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....

The Service Map developed by the City of Helsinki shows the locations and services offered by the cities of the Helsinki Metropolitan Area, as well as Vantaa and Kerava and Western Uusimaa Wellbeing areas. The map...

The statistical yearbook of the City of Vantaa has been published since Vantaa became a city 1974. The yearbook is a compilation work that aims to describe Vantaa and its residents as comprehensively as possible with...