AirGradient DIY Air Quality Sensor

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AirGradient has created a DIY Air Quality sensor. They offer a PCB, PCB + components kit, etc. A pretty neat package. To use this you have to run their software but you can use the kit with ESPHome as well!

Here is what it can measure:

  • Temperature

  • Humidity

  • Air particles PM2.5

  • Carbon Dioxide

Additionally:

  • There is a display so show off your data or whatever you desire from Home Assistant

  • You can download a 3D printable case including a wall mount bracket

ESPHome Configuration

Documentation:

YAML configuration

Soldering and setup video:

See Also