On the home page - general monitoring, how do you know how many monitoring stations there are in total?

Connection status 27/27 → There are 27 stations connected/total 27 stations.
Emission 22/22 → There are 22 emission stations connected/total 22 exhaust gas stations.
Similarly for wastewater 5/5 → There are 5 wastewater stations connecting/total 5 wastewater stations.