XiaoMi PM2.5 sensor plugin for HomeBridge(https://github.com/nfarina/homebridge).

Usage no npm install needed!

<script type="module">
  import homebridgeMiPm25 from 'https://cdn.skypack.dev/homebridge-mi-pm2_5';



npm version

XiaoMi PM2.5 sensor plugin for HomeBridge.

Thanks for nfarina(the author of homebridge), OpenMiHome, aholstenson(the author of miio), all other developer and testers.

Note: If you find bugs, please submit them to issues or QQ Group: 107927710.


  1. Install HomeBridge, please follow it's README.
    If you are using Raspberry Pi, please read Running-HomeBridge-on-a-Raspberry-Pi.
  2. Make sure you can see HomeBridge in your iOS devices, if not, please go back to step 1.
  3. Install packages.
npm install -g homebridge-mi-pm2_5


"accessories": [{
    "accessory": "MiPM2_5",
    "name": "AirQuality Sensor",
    "showTimeSwitchDisable": true, 
    "showTimeSwitchName": "AirQuality Sensor show time",
    "ip": "",
    "token": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"

Get token

Get token by miio2.db

setup MiJia(MiHome) app in your android device or android virtual machine.
open MiJia(MiHome) app and login your account.
refresh device list and make sure device display in the device list.
get miio2.db(path: /data/data/com.xiaomi.smarthome/databases/miio2.db) file from your android device or android virtual machine.
open website [Get MiIo Tokens By DataBase File], upload miio2.db file and submit.

Get token by network

Open command prompt or terminal. Run following command:

miio --discover

Wait until you get output similar to this:

Device ID: xxxxxxxx   
Model info: Unknown   
Address: 192.168.88.xx   
Token: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx via auto-token   
Support: Unknown   

"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" is token.
If token is "???", then reset device and connect device created Wi-Fi hotspot.
Run following command:

miio --discover --sync

Wait until you get output.
For more information about token, please refer to OpenMiHome and miio.

Version Logs

0.0.5 (2018-02-10)

1.update 'package.json'.

0.0.4 (2017-09-11)

1.optimized code.

0.0.3 (2017-09-05)

1.optimized code.

0.0.2 (2017-09-02)

1.change air quality grade rules.

0.0.1 (2017-09-01)

1.display XiaoMi PM2.5 sensor value.
2.switch on/off XiaoMi PM2.5 sensor time display.