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Does the SONOFF SAWF-07P work with HomeKit, Alexa, and Google Home?
The AirGuard PM2.5/PM10 (SAWF-07P) needs a 2.4 GHz Wi-Fi network and a Matter hub to join HomeKit, Google Home or Alexa.
It reports PM2.5 or PM10, temperature and humidity every 2 seconds and powers over USB-C. It suits HomeKit, Google Home, Alexa and Home Assistant users, with native support through Matter over Wi-Fi.
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.