Open data service

Making better use of public data in the Helsinki region

Local government 51

Culture and recreation 65

Traffic and tourism 97

Constructed environment 121

Economy and taxation 39

Health and social services 25

Jobs and industries 43

Environment and nature 101

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Spotted-hankkeen esimerkkejä

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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

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....

Traffic Accidents in Helsinki

The locations, severity levels and types of accidents that have occurred in Helsinki since 2000. The City of Helsinki Urban Environment Division/Traffic and Street Planning maintains a traffic accident register primarily for traffic planning purposes. The accident register is based on information fr...

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...

HelMet-libraries' most loaned adult books

Lists of the most borrowed adult books at the city libraries of Espoo, Helsinki, Kauniainen and Vantaa. The lists cover the 100 most borrowed adult books (fiction and non-fiction). The data starts at the beginning of 2014. The data also includes renewals of loans. The names of the books in the mater...

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Latest updates

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....

Traffic Accidents in Helsinki

The locations, severity levels and types of accidents that have occurred in Helsinki since 2000. The City of Helsinki Urban Environment Division/Traffic and Street Planning maintains a traffic accident register primarily for traffic planning purposes. The accident register is based on information fr...

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...

HelMet-libraries' most loaned adult books

Lists of the most borrowed adult books at the city libraries of Espoo, Helsinki, Kauniainen and Vantaa. The lists cover the 100 most borrowed adult books (fiction and non-fiction). The data starts at the beginning of 2014. The data also includes renewals of loans. The names of the books in the mater...

HelMet-libraries' most loaned children's books

Lists of the most borrowed children’s books at the city libraries of Espoo, Helsinki, Kauniainen and Vantaa. The lists cover the 100 most borrowed children’s books (fiction and non-fiction). The data is quarterly and starts at the beginning of 2014. The data also includes renewals of loans. The name...

Book loans by language at the City of Helsinki library

Numbers of books and book loans by language at the Helsinki City Library since 2001.

Vantaa by region

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

Spotted-hankkeen esimerkkejä

This user interface presents datasets and different visualization methods produced in the Helsinki pilot of the Spotted project. User can explore e.g. time series and green indices that were produced utilising combination of open data and outputs from Spotted platform (https://portal.cef-spotted.eu/...