Smart air quality monitors track CO2, PM2.5, VOCs, and other metrics. This guide covers common issues with popular monitors.
Awair Element Setup Issues
Awair connectivity problems:
- Awair app: Use Awair Home app for setup
- 2.4GHz: Only connects to 2.4GHz WiFi
- Bluetooth: Setup uses Bluetooth - keep phone close
- Account: Create Awair account for cloud features
- Local API: Enable local API in app for Home Assistant
Aranet4 Connection
Aranet Bluetooth issues:
- Bluetooth only: Aranet4 uses Bluetooth, not WiFi
- Range: Keep within Bluetooth range for app sync
- Aranet app: Use Aranet app to view data and sync
- Home Assistant: Use Bluetooth integration for HA
- Battery: Excellent battery life - lasts years
Sensor Calibration
Accuracy concerns:
- CO2 calibration: Most CO2 sensors auto-calibrate over time
- Fresh air: Expose to outdoor air periodically for calibration
- Warm-up: Allow time after power-on for accurate readings
- Placement: Away from windows, vents, and direct sunlight
AirGradient DIY
For AirGradient monitors:
- Assembly: Ensure sensors are properly connected
- WiFi config: Connect to AirGradient AP for setup
- Firmware: Flash latest firmware for features
- API: Local API available for Home Assistant
Home Assistant Integration
Getting data into HA:
- Awair: Official integration requires local API enabled
- Aranet: Bluetooth integration with Aranet4
- AirGradient: ESPHome or REST API integration
- Automations: Trigger ventilation based on CO2 levels
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