The data includes the results of the noise survey (in Finnish) completed in Helsinki in the summer of 2017. The noise mapping in accordance with the EU Environmental Noise Directive was carried out for the third time....

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...