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AQ-SEN66sor Air Quality dev in Home Assistant

Zigbee

Custom quirk shared in an issue

Zigbee device – see the note above on what ZHA needs for it.

Brand: AQ-SEN66sor
Model: Air Quality dev
Radio: Zigbee

How the device gets into Home Assistant

official ZHA – with a Zigbee coordinator and the ZHA integration; for all its functions it needs a custom quirk, see above. Integration

ZHA quirks for this device

Custom quirk shared in an issue Recommended quirk

Shared in the issue tracker as a custom quirk – not reviewed by the ZHA maintainers.

Adds: VOC index NOX index PM1 PM2.5 PM4 PM10

Source: zha-device-handlers · issue #4761 · by @Daniel12449 · February 16, 2026
Signature: AQ-SEN66sor / Air Quality dev

The quirk is not part of ZHA yet. You can use it as a custom quirk until it is:

Tell ZHA where custom quirks are kept – in configuration.yaml:
```
zha:
  custom_quirks_path: /config/custom_zha_quirks/
```
Create that folder and save the quirk as a .py file in it.
Restart Home Assistant. If the device was paired before, reconfigure it or remove and pair it again so the quirk is applied.
Check it worked: the device page shows the quirk under Zigbee info.

A custom quirk has not been reviewed by the ZHA maintainers. Delete the file once the quirk is part of a Home Assistant release – otherwise the old copy takes precedence.

All quirks in the ZHA quirk database →

Sources: Zigbee2MQTT, ZHA quirks, Z-Wave JS, the Matter certification database, Shelly, ESPHome, Tasmota, Tuya Local and the issue trackers on GitHub. Reports are assigned to a device by the identifiers they contain; the sentences come from the integration pages, where a language model writes them from the titles.

Facts about this device

How the device gets into Home Assistant

ZHA quirks for this device