General

• Hover over icons to get the most recent reading / status
  
• Use the layers symbol to switch different layers on and off
• Use the date finder in the top left to see previous days
  

Detailed view

• Clicking on an icon on the map will bring up a graph with data back to January 2021
• Hover over data points on the graph for readings
• Use the list icon () to toggle the legend
  
• Use the date slider to choose a date range, or zoom in by selecting an area of the graph
• Selecting multiple icons will bring up graphs stacked on top of each other