Hello there,
I’m using Phoscon together with the IKEA Starkvind air purifier. Whenever the mode is off (means the fan is not running), the air quality sensor (PM2.5) is being set to 65.535, which is really inconvenient, when it comes to history charts (see example below). IMHO a much lower value (0 or -1) would be much better in this case, but maybe someone has an idea how to deal with this.
PS.: I found the value in the starkvind_air_purifier.json in line 475 (Version 2.27.6) if that is of any help.
History chart example: