Uploaded January 2025 | Updated September 2026, 2 hours ago

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The AirGradient sensors really are excellent and work perfectly with Home Assistant - find out more about them here: airgradient.com/documentation/overview

Thanks to PCBWay for supporting this project - follow this link to let them know it was a good idea: pcbway.com/g/873CW0

Here's a link to make the project on PCBWay pcbway.com/project/shareproject/Air_Quality_Monitor_f9ae356b.html

Links to the sensors I used (affiliate):
Temperature/Humidity - https://s.click.aliexpress.com/e/_oDwNfQd
VOC/NOx - https://s.click.aliexpress.com/e/_olgj3ch
CO2 Sensor - https://s.click.aliexpress.com/e/_optr2Lj
Dust Sensor - https://s.click.aliexpress.com/e/_opwQmjx

This video was supported by PCBway - they had no editorial control but did partially fund my order with them. However, I'd started the project before they reached out and I really did find them helpful during the process.

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