I was about to start cleaning when I noticed this white powder/dust coming out of the baseboard of my kitchen area and I was wondering what it might be. The powder seems quite fine and it very faintly smells like something sweet but used in construction. I have seen similar threads mentioning efflorescence but it does not really look similar to me and this is the first time in my 3 years living here that I saw this powder. Whats interesting is that the powder was being pushed towards the inside of the room almost as if there is a draft going through the baseboard/floor into the room. The dust only appeared on this one part of the baseboard and in no other room either. The wall is an inner wall and the part near the baseboard is some kind of drywall used to route electrical wiring.
Here are a few pictures of the powder. Let me know if more information is necessary