The City of Helsinki's noise report, which complies with the EU's Environmental Noise Directive (END), examines the environmental noise caused by road and rail traffic in the Helsinki area. The noise report has been...

With the Nature Information System, you can get to know the diverse nature of Helsinki. The most important natural resources of the system are nature conservation sites, valuable flora and fauna sites, important bird...

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 dataset shows the industry noise zones involved in the study calculated with the noise indicators Lden and Lnight according to the Environmental Noise Directive. The noise level for the entire day, i.e. the...