Best HomeKit Air Quality Sensors iMore 2021

Air quality monitors are a great way to keep an eye on what is floating around in your home, and the best HomeKit air quality sensors add in convenient Siri voice commands and automations. If the air in your home starts to take a turn for the worse, HomeKit can come to the rescue by working with the best HomeKit accessories, like powering up a smart plug with an air purifier attached. Here is our guide to the best HomeKit air quality sensors around.

Note: While these are our picks for the best HomeKit air quality sensors, there is a widespread shortage due to COVID-19. If you need one right now, no matter what, here's where you can check out the latest in-stock air quality sensors. Stay safe.

Eve Room 2 Air Quality Monitor

Quality design: Eve Room 2

Staff pick

Eve's Room 2 indoor air quality monitor features a sharp industrial design complete with an LCD display. This portable monitor lasts up to six months on a single charge, allowing you to pick it up and place it in the various rooms within your home. This beautiful monitor also includes temperature and humidity sensors and built-in Bluetooth, enabling a direct to HomeKit connection without the need for a hub.

Kaiterra Laser Egg + CO2

Eggscellent: Kaiterra Laser Egg+ CO2

The Kaiterra Laser Egg+ CO2 is the latest in the company's line of HomeKit air quality sensors, which includes support for measuring PM2.5 fine dust and CO2 levels. This monitor sports a handy on device display, which reports the status of your home in an easy-to-see glanceable view. The Laser Egg also supports humidity and temperature sensors, as well as a built-in rechargeable battery capable of lasting up to eight hours per charge.

$199 at Amazon
Vocolinc Pureflow Smart Air Purifier

Monitors and cleans: VOCOlinc PureFlow Smart Air Purifier

The VOCOlinc PureFlow may be expensive, but it is one of the few HomeKit-enabled air purifiers on the market, and it is loaded with extras. This purifier monitors the air in your home, and it can automatically ramp up its fan speeds to clean things up quickly if the quality drops. VOCOlinc's purifier also tracks temperature and humidity and puts all of its measurements just a glance away thanks to its large on-device display.

$400 at VOCOlinc
Netatmo Smart Weather Station in silver on a white background

Inside and out: Netatmo Smart Weather Station

The Netatmo Smart Weather Station is the only HomeKit air quality sensor that can monitor air quality inside and out. This two-piece set includes an indoor module that tracks CO2, temperature, humidity, and a weatherproof outdoor monitor that gives you a truly local weather report. If that wasn't enough, this set can also measure sound levels with a built-in microphone and air pressure as it acts as a barometer.

First Alert Onelink Safe And Sound

Smoke and CO: OneLink Safe and Sound by First Alert

The First Alert OneLink Safe and Sound may look like an ordinary smoke and CO detector, but it has an AirPlay 2 compatible speaker on-board for whole-home audio. Of course, this monitor also includes smoke and CO detection, with a built-in alarm, and both are capable of sending notifications to your iOS devices when something is awry. First Alert's detector also has a built-in rechargeable battery, protecting your home even when the power goes out and even Alexa too.

Monitor the situation

The best HomeKit air quality sensors are the quiet protectors of your home, silently measuring for dust, pollen, VOCs, CO, and more. Once your device is set up, they can work with tons of the best HomeKit accessories, such as smart plugs that can turn on an air purifier if the air in your home becomes an issue. Siri support allows you to summon up a quick report, with Siri can reply with easy to understand responses, such as "good" or "bad."

We love the Eve Room 2 for its beautiful design and its portability. This awesome monitor also includes an LCD display, with customization options to make the metric that matters the most to you at the forefront.

Need an air quality sensor that works both indoors and out? Then the Netatmo Weather Station is the one for you. This healthy helper supports air quality, humidity, and CO2, plus it gives you a local temperature report when placed outside of your home.

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