Datasets

Maanmittauslaitoksen ortokuvat ovat koko maan kattava ilmakuva-aineisto. Ortokuva tarkoittaa yksittäisistä ilmakuvista tehtyä yhdistelmää. Ortokuva vastaa geometrialtaan karttaa. Ortokuvia päivitetään 3 vuoden välein,...

Map level shows real-time air quality as an index of air quality in the permanent and mobile measurement stations of the Helsinki Region Environmental Services (HSY). The measurement result is updated hourly. HSY...

Data related to Espoo’s nature and environment can be accessed through the city’s WFS and WMS geographic data interfaces. The datasets include nature reserves, traditional landscapes, nature trails and valuable...

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...

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...