Xiaomi Air Purifier

Monitor and control Xiaomi Air Purifier 4 Lite via Mi Cloud. Use when asked to check air quality, humidity, purifier status, turn on/off the air purifier, or change fan mode/level. Supports multi-room setups.

Xiaomi Air Purifier Control

Control and monitor Xiaomi Air Purifier 4 Lite (zhimi.airp.rmb1) via Xiaomi Cloud API. Supports multiple devices and room-based targeting.

Setup

1. Install dependencies:

cd xiaomi-air-purifier && pnpm install

2. Login to Mi Cloud (OTP will be sent via SMS/Email):

pnpm exec xmihome login -u <email/phone> -p <password> -c <country>

Supported countries: sg, ru, us, cn

3. List devices to verify discovery:

node scripts/purifier.js devices

Usage

Commands can be targeted by Room Name, Device Name, or DID. If no target is provided, it uses the selected default or the only available device.

node scripts/purifier.js status [room]      # Check status (e.g., status Bedroom)
node scripts/purifier.js status-full [room] # Show full status (incl. filter)
node scripts/purifier.js on [room]          # Power on
node scripts/purifier.js off [room]         # Power off
node scripts/purifier.js mode <0-2> [room]  # 0=Auto, 1=Sleep, 2=Favorite
node scripts/purifier.js level <0-14> [room]# Fan speed (Favorite mode)
node scripts/purifier.js brightness <0-2> [room]
node scripts/purifier.js buzzer <on|off> [room]
node scripts/purifier.js lock <on|off> [room]

Quick Reference

Property	siid	piid	Type	Description
Power	2	1	bool	On/Off
Mode	2	4	int	0=Auto, 1=Sleep, 2=Favorite
Humidity	3	1	int	Relative humidity (%)
PM2.5	3	4	int	Air quality (μg/m³)
Temperature	3	7	float	Temperature (°C)
Filter Life	4	1	int	Filter remaining (%)
Buzzer	6	1	bool	Notification sound on/off
Child Lock	8	1	bool	Physical button lock
Fan Level	9	11	int	0-14 (Favorite mode)
Brightness	13	2	int	0=Off, 1=Dim, 2=On