Dataset - Helsinki Region Infoshare

Area where the annual limit value for nitrogen dioxide has been exceeded in the Helsinki metropolitan area

The dataset shows the areas where the annual limit value for nitrogen dioxide (40 µg/m3) has exceeded or has been in danger of exceeding. In 2022 it was estimated that the...
- WFS
- WMS
- SHP

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