I don’t check the monitor values often, but my CO2 has recently been through the roof. Noticed that my PM values have not reported in the last 5 months. Not showing zero, just blanks (─). I am truly worried about my air quality, as I have been waking up in the middle of the night with totally stuffed up nose, not able to breathe at all. A second cheap CO2 monitor from Amazon is reporting the same high CO2 values, so I likely ruled out the possibility of a bunch of faulty sensors.
Is there anything I can do to reset the sensors/software and start detecting/recording PM values again? My model was purchased November 28, 2024 and is called: AirGradient ONE Indoor Monitor I-9PSL (Fully Assembled & Tested)