Datasets
Procurements by the City of Helsinki (services, materials and supplies, acquisitions of fixed assets) from 2012 onwards. The data is updated monthly in CSV files. Starting from March 2017, the data of Stara and HKR...
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...
Number of students enrolled in the optional A2 language by school, grade and language, and the number of students enrolled in the optional B2 language by school, grade and language from 2012 onwards. The statistical...
Concerts performed and organised by Helsinki Philharmonic Orchestra (HPO) and the works performed since 1882. The dataset is updated twice a year. In connection with the update, changes and additions to the historical...
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...
Map of the City of Helsinki and its areas from 1909 prepared by the City of Helsinki construction office. The map covers the entire urban area at the time and the city-owned land nearby. The map scale is...
You can use the feedback API to retrieve feedback data of the City of Espoo in a uniform format. You can search the API based on, for example, the date, location and keywords. The API data is updated once a day. The...
The City of Helsinki offers its employees versatile training. Stadin Akatemia organises approximately one third of the city’s total education offering, and the dataset includes only training organised by Stadin...
In its area of operation, HSY provides for the distribution and sewage drainage of domestic water in accordance with the needs of community development. Within the water supply service area, the property must join the...
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...
Monthly and annual averages of air pollution, concentrations comparable to norms, maximum hour values and data on the temporal representativeness of measurements in Uusimaa.
Guide map of the City of Helsinki 1900. Described in the map: nomenclature, streets, tramways and railways, public buildings, blocks and lots. In addition, the map shows some attractions and public services, as well...
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...
A bilingual map of the City of Helsinki from 1917–18. The map shows the districts, quarters, factory quarters and address numbers, as well as railways, tram lines and ship routes. In addition, the map shows the...
Map of the City of Helsinki from 1925. The map shows the city districts and quarters, public buildings, built and non-built areas, parks and plantings. The railway and the city’s 12 tram lines can also be seen on the...