As of this summer, satellites will be used to assess the risk of algal blooms in Lake Mälaren. Anyone who wants to can check the situation at their bathing site with the CyanoAlert app in their mobile phone.
- This is because we have major problems with algal blooms, says Ingrid Hägermark at the Lake Mälaren's Society for Water Conservation.

Read the article and listen to the interview (in Swedish)
Satelliter hjälper dig hitta fräschaste badplatsen

Figure: A processed satellite image of Lake Mälaren (Sweden) showing chlorophyll/algaee in the water. Blue represents low levels and red higher levels. Photo: © Copernicus data (2020), processing: CyanoAlert®.