local · uusimaa data points

High-Value Datasets · 13 curated sources

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example data window · uusimaa

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01free
Helsinki Region Infoshare (HRI)
Helsinki+Espoo+Vantaa+Kauniainen · 550+ datasets
hri.fi/en_gb
02free
Helsinki open data (kartta.hel.fi)
city register · maps · permits · WFS
kartta.hel.fi/avoindata
03free
Espoo open data
city services · maps · planning
hri.fi/data/en_GB/organization/espoo
04free
Vantaa open data
city register · environment · transport
hri.fi/data/en_GB/organization/vantaa
05free
HSY open data
air quality · waste · SeutuCD land-use
www.hsy.fi/en/environmental-information/geographic-information/open-map-service
06free
HSL Digitransit
journey planner · GTFS · GTFS-RT · GraphQL · requires free API registration
digitransit.fi/en/developers
07free
Helen open data
Helsinki utility · district heating power 2016-2026 · hourly chart
www.helen.fi/en/about-us/helen/open-data
08free
Helsinki 3D+
CityGML + mesh model of Helsinki
www.hel.fi/en/decision-making/information-on-helsinki/maps-and-geospatial-data/helsinki-3d
09free
Service Map API (palvelukartta)
20k+ public services · REST
www.hel.fi/palvelukarttaws/restpages
10free
Linked Events API
Helsinki events firehose · open API
api.hel.fi/linkedevents/v1
11free
Capital-region population & building extracts
DVV-sourced population + building data for HRI cities
www.hsy.fi/en/environmental-information/geographic-information/open-map-service
12free
Helsinki region car ownership & vehicles
vehicle stock and car ownership per district
hri.fi/data/en_GB/dataset/paakaupunkiseudun-autonomistajuustiedot
13free
YTJ business search — Uusimaa companies
company register lookups filtered to Uusimaa municipalities
tietopalvelu.ytj.fi

Last verified: August 2026 · source: DataPoint Explorer