The development team is on vacation from June 25th to July 27th. Service maintenance and possible bug fixes will also be on summer break. General advice on the services of the Digital and Population Data Agency: organisaatiopalvelut@dvv.fi.

Have a nice summer!

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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 annual limit value of nitrogen dioxide will...

Municipalities

SHP

WMS

WFS

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