Datasets
This dataset provides the orthophotographs of Helsinki in GIS API from 1932 to present day. Additionally, photos from 1988, 1976, 1969, 1964, 1950, 1943 and 1932 are provided as image files. The Helsinki area is...
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...
Vanhoja yleiskaavakarttoja Helsingistä. Vuosien 1992, 1960, ja 1932 ja 1923 yleiskaavakartat ovat WMS-rajapintapalvelun kautta. Aineistojen esikatselu kartta.hel.fi -palvelussa: Kaikki historialliset yleiskaavakartat...
The number of children in early childhood education by age group and type of care from 2002, the days of attendance from 2005 and the number of personnel from 2008 in municipal daycare centres and the costs 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 dataset depicts the first World War-era fortifications, as well as some details of the fortifications. The data is based on a survey commissioned by the Public Works Department of the City of Helsinki in 1996 of...
HSY prepares an annual presentation on the maximum prices of lots applied in the Helsinki metropolitan area in housing production supported by the Housing Finance and Development Centre of Finland (ARA). The objective...
This data contains anonymized answers to the user satisfaction survey of the city of Helsinki's winter and summer maintenance starting from the winter of 2022-2023. The data was collected by using the Maptionnaire...
Note (10/2024): Due to updates, the API is currently not operational. In 2012, the City of Helsinki’s construction service Stara introduced an electronic production control system, which produces GPS location...
Helsinki Channel’s (helsinkikanava.fi) videos and metadata are available through an open programming interface. The Helsinki Channel provides webcasts and publishes recordings of meetings of the Helsinki City...
General description A data collection experiment using machines and a measuring point to collect microparticle concentrations during street cleaning to assess air quality. PM10, PM2.5 and PM1 concentrations from...
Data contains information on municipal waste generated in the Helsinki metropolitan area (households, private services, public services excl. sewer and wastewater management) and municipal waste treatment methods by...
The Helsinki district division data includes the boundary lines of the districts within the city, as well as the names and identifiers of the areas. The district division system of Helsinki is a regional division of...
The purpose of the survey on participation in the City of Vantaa is to map the experience and views of Vantaa residents regarding their opportunities for participation and influence. Participation has now been...
The data includes the number of jobs by municipality/region and industry sector between 1980 and 2022 and projection of the number of job developments in the same regions in 2018-2040. The data contains 14...
Data contains information on the total amount of household waste generated in the Helsinki metropolitan area in 2004–2010 using the old calculation method, and on the total amount of household waste and the recycling...
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.
Data on the amount of visitors in every City of Espoo library since 2009.
The register of public areas (YLRE) is a system of the Helsinki Urban Environment Division that contains information about the city’s street and green areas. The dataset is maintained for the use of the division and...
General description Hourly counts of pedestrians, bicycles and motor vehicles at the intersection of Ratapihantie / Rautatieläisenkatu in spring 2023. The data was collected by Wapice Oy as a data collection pilot...