Datasets
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...
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...
The data includes traffic noise zones in the Helsinki metropolitan area (Helsinki, Espoo, Vantaa and Kauniainen). The dataset contains a breakdown of road and rail traffic noise zones, as well as day and night times....