A: In the map legend there are checkboxes for “Outside Sensors”, “Inside Sensors”, and “Show My Sensors.” Check the boxes of the sensors you want to be visible on the PurpleAir map. Outdoor sensor icons have no outline. Indoor sensor icons have a bold outline.
To access the map legend, click on the bar at the top left of the map:
Then, on the data layer choose the boxes you want visible:
More information on viewing your sensor on the PurpleAir map is available here: View Your Sensor on the Map.