Vastaa avoimen datan tarvekyselyyn: https://hri.fi/fi/mita-toivot-avoimelta-datalta-tulevaisuudessa/

Open data service

Making better use of public data in the Helsinki region

Local government 45

Culture and recreation 65

Traffic and tourism 97

Constructed environment 136

Economy and taxation 33

Health and social services 25

Jobs and industries 31

Environment and nature 105

News

What do you hope to see from open data in the future?

Management model brings clarity to the opening and maintenance of data

HRI participated in the EU Open Data Days 2021

HRI 10 Years Anniversary Webinar: London aims to be the number one of smart cities

Latest showcases

Helsingin vaarallisin risteys

tullinpuomi.fi

Pysäköintivirheet Helsingissä

Rantuniitty.fi

Do you have a showcase or a showcase idea? Why not publish it in our service?

Recently updated data

Survey on Mobility Service User Needs in the Helsinki Metropolitan Area

A survey mapping user needs for mobility services was conducted as part of the EU co funded SOLMU project between 27 June and 30 September 2025. The focus of the survey was the accessibility of transport hubs and mobility services. Mobility services include, for example: public transport (bus, metro...

Visits at the City of Espoo swimming pools

Monthly statistics on the numbers of visitors at swimming halls in Espoo since 2009 and an annual summary since 2004. If a field contains the value of 0, the swimming hall was closed for that month.

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...

Number of students by school in basic and general upper secondary education in Vantaa

The dataset includes the number of pupils and students in basic education and general upper secondary education by school and grade on 20 September according to the statistics from 2012 onwards. Pupils in basic education are classified into Finnish- and Swedish-language schools, and the upper second...

Do you have data or data request? Tell it us!

Latest updates

What do you hope to see from open data in the future?

What kind of open data do you need now or in the future? What improvements would you like to see in either open data or data portals in Finland? And what factors would make it easier to use open data? Take the survey To the survey >> To better meet the needs and wishes of open data users, we are now...

Survey on Mobility Service User Needs in the Helsinki Metropolitan Area

A survey mapping user needs for mobility services was conducted as part of the EU co funded SOLMU project between 27 June and 30 September 2025. The focus of the survey was the accessibility of transport hubs and mobility services. Mobility services include, for example: public transport (bus, metro...

Helsingin vaarallisin risteys

Helsingin Sanomien 19.3.2026 julkaisema artikkeli, jossa analysoidaan Helsingin liikenneonnettomuusdataa.

Visits at the City of Espoo swimming pools

Monthly statistics on the numbers of visitors at swimming halls in Espoo since 2009 and an annual summary since 2004. If a field contains the value of 0, the swimming hall was closed for that month.

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...

Number of students by school in basic and general upper secondary education in Vantaa

The dataset includes the number of pupils and students in basic education and general upper secondary education by school and grade on 20 September according to the statistics from 2012 onwards. Pupils in basic education are classified into Finnish- and Swedish-language schools, and the upper second...

Vantaa Bike Trails

Twelve different cycling routes have been compiled in the Vantaa Cycling Guide. The routes provide information about Vantaa's diverse nature and history. The guide introduces nature and cultural sites along the routes with short target descriptions. On the map, you can navigate through a ready-made...

Air quality monitoring sites and annual nitrogen dioxide (NO2) averages in the Helsinki metropolitan area

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 2004–2024. The data is produced annually. New monitoring locations and results are added t...