Anyone in Pickering suddenly dealing with cluster flies?

We’ve lived in our house since 2018 and have never had an issue with them before.

About two weeks ago, around the time we were getting the wildfire smoke, we noticed a few larger/slower flies in the house. They disappeared for a while, but over the past few days they’ve suddenly started showing up again, mainly in one upstairs bedroom.

Our neighbour has also experienced something similar — flies appeared in their living room/basement around the same time, disappeared, and then started showing up again recently.

Just curious if anyone else in Pickering or the surrounding Durham area has noticed an unusual number of cluster flies lately.

Not necessarily suggesting the wildfire caused it — the timing is just interesting.