Open data service

Making better use of public data in the Helsinki region

Local government 47

Culture and recreation 63

Traffic and tourism 93

Constructed environment 119

Economy and taxation 37

Health and social services 22

Jobs and industries 38

Environment and nature 99

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Assessing the evolution of educational accessibility with self-avoiding random walk: insights from Helsinki

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Recently updated data

Building information grid of the Helsinki metropolitan area

The building information grid contains grid-based data on the number, floor area and purpose of use of buildings as well as area density in the Helsinki metropolitan area. Data is available from 1997–2003 and from 2008 onwards. Grid cells with fewer than five buildings have been omitted from the 199...

Number of cyclists in Helsinki

Number of cyclists in Helsinki per hour from the beginning of 2014. The number of cyclists is calculated automatically at 16 different measuring points. The location coordinates of the counting machines are indicative (coordinate system ETRS-GK25). In the 2016 data, both sides of the Kulosaari bridg...

City of Vantaa procurements

The data includes the purchases of services, materials, supplies and goods by the City of Vantaa since 2012. The dataset includes the purchase invoice information of all the City of Vantaa’s divisions, municipal enterprises and funds. The data has been extracted from the city’s accounting system at...

City bike stations’ Origin-Destination (OD) data

City bike stations’ Origin-Destination (OD) data includes all trips made with city bikes of Helsinki and Espoo. The data includes information about trip’s origin and destination stations, start and end times, distance (in metres) as well as duration (in seconds). The data is available for seasons 20...

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Building information grid of the Helsinki metropolitan area

The building information grid contains grid-based data on the number, floor area and purpose of use of buildings as well as area density in the Helsinki metropolitan area. Data is available from 1997–2003 and from 2008 onwards. Grid cells with fewer than five buildings have been omitted from the 199...

Number of cyclists in Helsinki

Number of cyclists in Helsinki per hour from the beginning of 2014. The number of cyclists is calculated automatically at 16 different measuring points. The location coordinates of the counting machines are indicative (coordinate system ETRS-GK25). In the 2016 data, both sides of the Kulosaari bridg...

City of Vantaa procurements

The data includes the purchases of services, materials, supplies and goods by the City of Vantaa since 2012. The dataset includes the purchase invoice information of all the City of Vantaa’s divisions, municipal enterprises and funds. The data has been extracted from the city’s accounting system at...

Air quality indices in the Helsinki metropolitan area and Uusimaa

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 are based on the health effects of air pollutants and on standards. When the air qu...

City bike stations’ Origin-Destination (OD) data

City bike stations’ Origin-Destination (OD) data includes all trips made with city bikes of Helsinki and Espoo. The data includes information about trip’s origin and destination stations, start and end times, distance (in metres) as well as duration (in seconds). The data is available for seasons 20...

Number of students in basic and upper secondary education in Helsinki by school

The dataset includes the numbers of pupils and students in comprehensive schools, upper secondary schools and vocational institutions maintained by the City of Helsinki by school on 20 September according to the statistics from 2012 onwards. Comprehensive schools and upper secondary schools are divi...

Vantaa by region

This dataset is updated annually. It provides time series of the most important statistics and phenomenons in Vantaa and its districts.

Water posts in the Helsinki metropolitan area

The dataset provides the locations of public water posts in the Helsinki metropolitan area. City residents can freely fetch water from the water posts (e.g. fill their water bottles). The attribute data includes the address, coordinates and identifier of the water post. Data updated in October 2024....