Amazon Smart Air Quality Monitor vs Aqara TVOC Air Quality Monitor

The Aqara TVOC Air Quality Monitor comes out ahead in this comparison, winning on its built-in e-ink display, broader smart-home integrations, more alert types and a lower price. The Amazon Smart Air Quality Monitor still leads on sensor breadth and owner rating, so the Aqara is the pick for display and platform flexibility while the Amazon is the pick for measuring more pollutants.

Sensors and connectivity. The Amazon Smart Air Quality Monitor measures VOCs, PM2.5 particulates and carbon monoxide (plus temperature and humidity) and connects over Wi-Fi with no hub, but only works with Alexa. The Aqara TVOC Air Quality Monitor measures VOCs, temperature and humidity only, adds an e-ink screen, and works with HomeKit, Google Home, Alexa, Home Assistant and IFTTT, but requires a Zigbee hub.

Yes, in different ways. The Aqara TVOC Air Quality Monitor is a Zigbee device that needs an Aqara hub to connect and to reach HomeKit, Google Home, Alexa, Home Assistant or IFTTT. The Amazon Smart Air Quality Monitor connects over Wi-Fi without a hub but is tied to Alexa, so it needs an Echo device and does nothing useful outside the Alexa app.

The Aqara TVOC Air Quality Monitor does. It has a built-in e-ink screen that shows temperature, humidity and VOC status at a glance. The Amazon Smart Air Quality Monitor has no display, so it relies on a green/amber/red status light and the Alexa app for the actual readings.

Alexa households that want to track more pollutants cheaply. The Amazon Smart Air Quality Monitor measures VOCs, PM2.5 and carbon monoxide as well as temperature and humidity, connects over Wi-Fi without a hub, and can trigger Alexa routines directly, which makes it good for automating an air purifier or fan. It is a poor fit outside Alexa or if you want an on-device screen.

Aqara and HomeKit owners who want a compact display and wide platform support. The Aqara TVOC Air Quality Monitor pairs an e-ink readout with temperature, humidity and VOC sensing over Zigbee, works with HomeKit, Google Home, Alexa, Home Assistant and IFTTT, and offers temperature, humidity and air-quality alerts. You will need an Aqara hub, and it does not track particulates or CO.