I checked the room’s IQAir Visual Pro Indoor Air Quality Monitor and noticed it was reading a higher-than-usual PM 2.5. It was at this point that I moved several other air quality monitors into my sons’ room. Most of my indoor air quality monitors also measure humidity, and they were showing fairly constant levels of humidity. Courtesy of Lisa Wood Shapiro Courtesy of Lisa Wood Shapiro Courtesy of Lisa Wood ShapiroI still couldn’t control my indoor air quality. And if I unplugged my IQAir Atem air purifier, the indoor air quality shot up above 150.