Works with Home Assistant
Xiaomi logo
Xiaomi

Mi PM2.5 Air Quality Monitor

Category: Temperature Sensor

Updated Oct 27, 2025

Device photo coming soon.

Description

Highlights

  • Portable PM2.5 laser particulate detector with OLED display showing real-time air quality, temperature, and humidity.
  • Built-in 950 mAh battery allows stand-alone use; USB-C power keeps it running 24/7.
  • Connects to Mi Home over Wi-Fi for history, alerts, and automation triggers (e.g., start a purifier when PM2.5 rises).

Perfect companion for Mi Air Purifiers and ideal for air-quality dashboards in Home Assistant.

Works with Home Assistant

Add via the Xiaomi Miio integration using the device token. Community component exposes PM2.5, temperature, and humidity entities.

Connection Path

Hubs

This device connects directly over Wi-Fi and does not require a hub.

Key resources

Back to devices