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What’s Matter Air Quality Sensor

CSA CertifiedCertification record

Matter certified: Yes. CSA certificate CSA25F7BMAT48845-24. We have no verified store link for it yet. Certificate data: CSA ledger read .

Works with
Matter certified as an air quality sensor, so it can work with Matter apps such as Apple Home, Google Home, Alexa and SmartThings when the app supports its device type; supported features vary by app. The maker hasn’t named platforms on a page we hold.
Network & hub
Thread; needs a Thread border router as well as your platform’s Matter controller

Not sold by a US store we can verify. Similar CSA-certified air quality sensors you can buy:

Independent guide. We may earn a commission through affiliate links. Direct non-affiliate links are labeled. How our links work

Why these: we have no US store link we can verify for this exact model. Each is a different product, certified by the CSA as the same device type, air quality sensor, with a CSA certificate for its own model and a store link we checked. Models on the same network (Thread) come first; the order is not a ranking.

Certification record

A Matter certification on file for this model. There is no product photo or store link for it yet.

Certificate ID
CSA25F7BMAT48845-24
Maker
What’s Matter
Certificate holder
What’s Matter Inc.
Device type
Sensors
Connection
Thread

No US store link yet.

We link to a store only after its listing matches this exact model, region and package.

Shop sensors you can buy now →

Matter 1.4 certificate

Its certificate, CSA25F7BMAT48845-24, is for Matter 1.4, certified Dec 8, 2025. The Matter version is the specification version on the certificate's ledger record.

Source: CSA Distributed Compliance Ledger, read Nov 10, 2026.

What Matter 1.4 added, and which devices use it →

A Matter-enabled sensor that detects fine and ultrafine particulate Matter in real time.

Thread

Ecosystem compatibility

Matter

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