Best indoor air quality monitors 2021 – buyer’s guide

Are you concerned with the air quality in your home? Due to rising levels of pollution, you and your family might be at risk of various airborne pollutants.

Even in the cleanest environment, you could be breathing in dust, dander, chemicals, toxins, and other harmful substances. Luckily, several products can help improve your indoor air quality.

However, before improving your home’s air, you must first identify the available pollutants and their levels. This will help you in choosing the right air improvement products. As such, you will need the best indoor air quality monitors.

So, which is the best air quality tester for your home?

5 best indoor air quality monitors for home use in 2021

Here is a list of the top 5 air quality monitors for indoor use that are accurate:

MonitorSensorsCompatibilityPrice
Airthings Wave Plus• Radon
• Carbon Dioxide
• VOCs
• Humidity
• Temperature
• Pressure
• Google Assistant
• Alexa
• IFTTT
Awair Element• Carbon Dioxide
• VOCs
• Humidity
• Temperature
• PM2.5
• Google Assistant
• Alexa
uHoo Air Monitor• Carbon Dioxide
• VOCs
• Humidity
• Temperature
• PM2.5
• Ozone
• Pressure
• Nitrogen Dioxide
• Google Assistant
• Alexa
• Nest
• Roomba
• IFTTT
BIAOLING• Carbon Dioxide
• Formaldehyde
• VOCs
• PM 2.5
• PM 10
N/A
HEI LIANG Air Sensor• Carbon Dioxide
• Formaldehyde
• VOCs
• PM 2.5
N/A

1. Airthings Wave Plus Radon & Air Quality Monitor

Airthings Wave Plus air quality monitor

Airthings Wave Plus is an air quality monitor that measures radon, a naturally occurring radioactive gas that can be toxic at high levels. It also detects CO2 levels, temperature, total volatile organic compounds (TVOC), air pressure, and humidity.

The unit is reliable with accurate sensors that give you a full insight into the air quality of your home. On top of that, the radon sensor operates on a continuous measuring mode. As a result, you can get accurate and reliable radon readings.

One thing you will love about Airthings Wave Plus is its quick and clear results. The unit comes with three color-coded notifications – green (good), yellow (fair), and red (poor). Furthermore, you can access the data through the Airthings App.

Pros

  • Easy to install and use
  • A user-friendly monitoring app
  • Quality sensors with accurate detection
  • Smart connectivity with Google Assistant, Alexa, and other IFTTT smart devices
  • Portable operating with a long-lasting 16 months’ charge battery

Cons

  • Upgrading the Airthings app is a bit problematic – only does so when in close range to the monitor.

If you want a great portable air quality monitor that measures all dangerous air pollutants, Airthings Wave Plus is a great choice. It is easy to use, offers several measurements, and comes with long-lasting battery life.

2. Awair Element Indoor Air Quality Monitor

Awair Element indoor air quality monitor

Awair Element is one of the best air quality monitors on the market. It tracks and measures five air elements: Chemicals (VCOs), CO2, particulate matter, temperature, and humidity.

Awair features an easy-to-understand display, where the air quality percentage is displayed.  On top of that, you can get real-time readings of each measurement on the Awair app. The app also displays readings’ changes over time. It also offers you advice on how to improve air quality.

One cool feature of the Awair Element is its connectivity. It connects to Wi-Fi networks and integrates seamlessly with Google Assistant, Alexa, and other smart devices. The Awair app also offers a centralized location, where you can add and control other Element units in different rooms.

Pros

  • Accurate and reliable sensors with real-time readings
  • A sleek modern design
  • Offers suggestions on how to improve air quality
  • Easy to install and use
  • More readings insight with the companion app and integrated devices

Cons

  • Powered by electrical adapters – no battery
  • The LED display is not customizable for night time
  • Does not detect radon

If you want an efficient and reliable air quality monitor, Awair Element is a great choice. It measures five of the most important indoor air elements and delivers precise readings.

3. uHoo Indoor Air Quality Sensor

uHoo Indoor Air Quality Sensor

uHoo Indoor Air Quality Sensor is one of the most advanced air-quality meters. It features 9 sensors: temperature, humidity, air pressure, TVOC, CO2, Carbon Monoxide, particulate matter, ozone, and Nitrogen Dioxide. This makes it one of the most advanced devices that you can use to

The uHoo air quality sensor is small and compact, with no displays on the unit. Instead, you access the real-time readings for all elements on an uHoo companion app (Android and iOS supported).

The companion also allows you to create customizable alerts. As such, you can be able to identify serious changes in air quality and take immediate action.

Pros

  • Elegant and sleek modern design
  • 9 built-in advanced sensors with accurate readings
  • Easy to set up – simply plug into a power outlet and connect with a smartphone
  • Can be integrated with Alexa, Google Assistant, Nest, and other IFTTT smart home devices

Cons

  • Has no battery – must always be plugged into the electrical outlet
  • Does not come with displays on the device
  • It is slightly expensive

If you are looking for an advanced monitor, the uHoo indoor air quality sensor is a great choice. It is expensive but offers an all-in-one solution by measuring multiple elements.

4. BIAOLING Air Quality Monitor

BIAOLING Air Quality Monitor

BIAOLING Air is one of the top air quality monitors when it comes to detecting gases. It detects harmful gases such as Formaldehyde, CO, C02, smoke, fog, and others. It also detects particulate matter, VOCs, and other pollutants in the air.

One thing you will love about the monitor is its display. It features a large screen with real-time readings, thus eliminating the need for an app. The displayed results are also easy to read and understand. Furthermore, the device supports alarm notifications, which lets you know when the air becomes unsafe.

Pros

  • It is perfect for detecting gases and other harmful pollutants
  • Easy to read information
  • Alarm alerts
  • Comes with rechargeable batteries
  • Can measure both indoor and outdoor air quality

Cons

  • The battery requires constant recharge for continuous use
  • It does not come with a companion app for remote monitoring

BIAOLING is one of the cheapest air quality monitors in this list, but it also comes with great features. It is thus a great unit if you are looking for something reliable but budget-friendly.

5. HEI LIANG Air Quality Monitor & Tester

HEI LIANG Air Quality Monitor

HEI LIANG air quality monitor is another great device you can use to measure indoor air quality. It detects harmful gases such as CO2, CO, formaldehyde, smoke, fog, toluene, and others. It also detects harmful pollutants such as VOCs, dust, and others.

The unit comes with a sleek design, which features a 5.5-inch LED screen. It displays easy-to-read readings in real-time for all the pollutants. As such, there is no need to use a smartphone app or a website to access the data.

The unit is powered by a 2000 mAh battery. As a result, you can use it in multiple spaces – any room in your home, outdoors, or even at the office.

Pros

  • Small, compact, and portable
  • Large display screen with easy to read measurements
  • Accurate sensors with multiple detections
  • Easy to use

Cons

  • Does not come with a companion app
  • The battery capacity is rather low.

If you are looking for a multipurpose air quality sensor, the HEI LIANG monitor is a great choice. It works perfectly for homes, offices, and even outdoors. Also, it is one of the best personal air monitors due to its small size and rechargeable battery.

Factors to consider when choosing a home air quality monitor

Having trouble choosing an air quality monitor? Below are some factors to consider for the best purchase:

1. Sensor precision

Accuracy of readings is crucial in an air quality monitoring unit. If the unit displays wrong measurements, the actions taken will be wrong and not beneficial.

2. Ease of use

Ease of use is another vital factor. The air quality monitor should come with user-friendly controls. The information displayed should also be easy to understand and utilize.

3. Great response time

Aside from accurate readings, your monitor should display the results as soon as possible. Any lengthy delays would mean you are acting on the wrong information.

4. Connectivity with other devices

A smart air quality monitor allows you to connect it to several other devices. As such, you can be able to analyze the air quality in your home automatically, or even remotely.

Can air quality monitors detect mold?

Mold is one of the common pollutants found in households. It thus stands to reason that you should consider it when buying an air quality monitor. But, is there a unit that can actually detect mold? The answer is both yes and no.

One thing to known about mold is that they release microscopic spores in the air. Therefore, the best indoor air quality monitors (with particle detection) can be able to detect them. Unfortunately, they cannot tell them apart from other particle pollutants in the air.

Therefore, if there is mold in your home, your monitor will simply show you that there is particulate matter. It won’t show you which of the particles are mold, which are dust, and which are other pollutants.

What are the symptoms of poor air quality?

A good air quality monitor will alert you when the air quality on your home is wanting. However, even without a sensor, you can still tell if the air is bad for you through various symptoms such as:

  • Congestion of the sinuses
  • Coughing and sneezing
  • Irritation of the nose, eyes, and throat
  • Allergic reactions
  • Dizziness, headache, and nausea
  • Fatigue and poor sleeping patterns
  • Shortness of breath

These symptoms usually appear after a few hours of exposure and disappear when you have left the affected spaces. However, long-term exposure can lead to serious health problems, such as respiratory problems.

Wrapping up

Before trying to improve the air quality in your home, you need to know just how bad it is. Without this, you will be acting on guesswork, which can lead to more harm. Air quality sensors are thus one of the top items you must have in your home.

If you want excellent results, the above are some of the best indoor air quality monitors you should consider. They come with sensors that are accurate and reliable. Some of them also come with companion apps for remote monitoring, as well as the ability to integrate with other smart home devices.

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