Datasets
The Sortti collection vehicles (earlier: touring collection vehicles) of the Helsinki Region Environmental Services Authority (HSY) tour every year in Espoo, Kauniainen, Helsinki, Vantaa and Kirkkonummi. The data...
Municipalities
WFS
WMS
XLSX
SHP
Monitoring site data includes permanent monitoring sites, mobile monitoring sites and passive samplers, as well as the annual average concentrations (μg/m3) of nitrogen dioxide (NO2) measured at these sites in...
Municipalities
SHP
XLSX
WMS
TAB
WFS
You can also access this registry using the API (see API Documentation).