SONOFF AirGuard Series#
The SONOFF AirGuard PM2.5 is the first PM2.5 & PM10 monitor with native Matter support, making it incredibly easy to integrate with Apple Home, Google Home, and Home Assistant. It features a high-definition LCD screen that displays real-time PM2.5, PM10, temperature, and humidity data.
Key Features
- High Accuracy: ±10μg/m³ (0-100μg/m³) and ±10% (100-500μg/m³)
- Fast Response: Measurements every 2 seconds
- Triple-Alert System: Sound, colored light indicator, and app notifications
- Matter Compatible: Seamless integration with major smart home platforms
- Year-Long Data Tracking: 12 months of historical data with export capability
The SONOFF AirGuard CO2 is the first CO₂ monitor in the market with native Matter-Ecosystem support. It provides accurate CO₂ concentration monitoring along with temperature and humidity tracking, perfect for maintaining optimal indoor air quality.
Key Features
- High Accuracy: ±(50ppm + 5%) accuracy
- Quick Updates: Readings every 5 seconds
- 3-in-1 Display: CO₂, temperature, and humidity on one screen
- Triple-Alert System: Customizable sound, light, and app alerts with Do Not Disturb mode
- Voice Control: Check CO₂ levels via Alexa or Google Assistant
The SONOFF AirGuard TH is a versatile Zigbee 3.0 temperature and humidity sensor with a large 3.6" LCD display. It features both Zigbee and Bluetooth connectivity, offering flexibility in how you monitor your environment.
Key Features
- Large 3.6" Display: Shows local and remote readings plus 24-hour extremes
- Dual Connectivity: Zigbee 3.0 or Bluetooth options
- Advanced Analytics: Dew point and VPD tracking with historical trends
- Dual-Location Comparison: Compare two locations on one screen
- 6-Month History: Detailed historical data with charts and graphs
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How to connect them to Home Assistant#
Matter Integration#
For the AirGuard PM2.5 and CO2 monitors, you can easily integrate them with Home Assistant using Matter:
Add new Matter Device#
Zigbee Setup for AirGuard TH#
The AirGuard TH uses Zigbee 3.0 and can be integrated using ZHA or Zigbee2MQTT:
ZHA Integration#
Zigbee2MQTT Add-on#
Note: This is an alternative to the ZHA integration. You can't use both at the same time.
Add them to your Dashboard#
HACS Installation#
You can follow the HACS installation guide to install HACS.
Mini Graph Card#
You can use this button to be redirected to the download page. It will open the repository's page in HACS.
You can find the documentation here.
Automations & Use Cases#
Air Quality Alert Automation#
automation:
- alias: "High PM2.5 Alert"
trigger:
- platform: numeric_state
entity_id: sensor.airguard_pm25_pm25
above: 35
action:
- service: notify.mobile_app
data:
message: "Air quality alert! PM2.5 level is {{ states('sensor.airguard_pm25_pm25') }} μg/m³"
title: "Poor Air Quality Detected"CO2 Ventilation Control#
automation:
- alias: "Auto Ventilation on High CO2"
trigger:
- platform: numeric_state
entity_id: sensor.airguard_co2_carbon_dioxide
above: 1000
action:
- service: switch.turn_on
entity_id: switch.ventilation_fanTemperature-Based Climate Control#
automation:
- alias: "Temperature Control"
trigger:
- platform: numeric_state
entity_id: sensor.airguard_th_temperature
above: 26
action:
- service: climate.set_temperature
entity_id: climate.bedroom_ac
data:
temperature: 24