4 ms·
Use an air purifier. I have a small one from a Korean company. I run it non-stop. It's very quiet normally, but when it detects higher concentration of stuff (a
by gniv 4y ago
Use an air purifier. I have a small one from a Korean company. I run it non-stop. It's very quiet normally, but when it detects higher concentration of stuff (almost always when I open a window) it spins up for a few minutes.