Dataset - Helsinki Region Infoshare

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
Linked Events Helsinki API

You can use Helsinki’s Linked Events API to retrieve event data of several City of Helsinki divisions and the Helmet library service in a uniform format. The geographic data is...
- JSON

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