Iâm not saying I would do this, but if I visit your home, I might look around to see if you have an air purifier. If you have one, I might estimate the cubic footage of your room and then, if Iâm left alone, I might open the purifier to look at the filter.
I know Iâm being a bad guest, but I am in the service of a greater good.
Depending on what I find, I will fight the urge to tell you that your air purifier is too small to effectively clean the room, or that the purifier shouldnât be placed against a sofa or a wall, or that the filters need to be changed, or worseâthe plastic encasing the filter was never removed when the purifier was first purchased.
This urge to give unsolicited indoor air advice goes deep. I knew no better until I was on the air quality beat. I didnât think about my indoor air, nor did I understand how making a few changes and using an…