Dataset - Helsinki Region Infoshare

Address API of Uusimaa

You can use the address interface of Uusimaa to search for official addresses and their coordinates for the entire Uusimaa region. The interface provides the coordinates, postal...
- JSON
- XML
Real time air quality at HSY monitoring sites

Map level shows real-time air quality as an index of air quality in the permanent and mobile measurement stations of the Helsinki Region Environmental Services (HSY). The...
- WMS
- WFS

You can also access this registry using the API (see API docs).