Air Quality in HomeKit 
After adding zhimi.airfresh.va4 (Smartmi Fresh Air System XFXTDFR02ZM) into Apple HomeKit by means of homebridge-miot plugin instead indications Air Quality (PM2.5) in Home app displayed temperature sensor which always shows 2.5 degrees Celsius 
![C17C07AD-719D-42AE-9B5E-C2CDD681A66F](https://user-images.githubusercontent.com/65533881/179725885-1715b1d0-f760-407c-b75b-0a4de7711af7.png)
