This is a practical photo, not an interesting one. With the forest fires spreading smoke everywhere, I needed an air purifier to cope. Unfortunately the prices have gone insane, probably because they have been less available ever since covid. I had heard of people doing DIY, and you can find videos about it online. Here’s my entry.
I also posted about it on TWiT.social:
Also, this site may be helpful if you’re looking for North American smoke forecasts:
https://firesmoke.ca/