According to the World Health Organization (WHO), air pollution poses one of the biggest risks to human health. Unfortunately, many people think that air pollution is only a problem if you live in a big city. However,  pollutants like carbon dioxide, pollen, and dust can affect any part of the world including rural areas. An air quality monitor will help you control the air pollutants around homes, schools, offices, hospitals, and factories.

An air quality monitor is designed to check and report the presence of harmful gases, chemicals, and fine particles in the air. Since the application may vary from one monitor to the next, it is important that you are clear on what you need from your air quality monitor. However, with so many considerations to make, you may find it hard to choose the best product. We prepared this review to help you find the right monitor easily.

Air Quality Monitor Faqs

1. WHAT IS AN AIR QUALITY MONITOR?

2. WHAT DOES AN AIR QUALITY MONITOR DO?

3. HOW DOES IT WORK?

4. WHERE CAN YOU BUY THEM?

5. HOW DO I CHOOSE ONE?

HOW WE REVIEWED

We dug into every detail of air quality monitors like the size, sensor types, design, and price. We also looked at other features like temperature and humidity reports, which are essential in controlling mold and bacterial growth. We checked the pros and cons of each product to provide you with an unbiased list of the best air quality monitors on the market.

OVERALL PRICE RANGE OF THIS PRODUCT (AND SIMILAR PRODUCTS)

In this review, we will cover the best air quality monitors starting from the budget options to the pricey ones. You can pay as low as $33 for an air quality monitor or as high as $425 depending on the features and technology. For example, a device with more sensors and connectivity options is more expensive compared to one that delivers basic readings.

WHAT WE REVIEWED

Here are the top 10 air quality monitors we reviewed.

  • AWAIR SMART
  • DYLOS DC1700
  • EXTECH CO250
  • DYLOS DC1100 PRO
  • WYND WEARABLE
  • CO2METER AZ-0004 INDOOR
  • GERMGUARDIAN SMART 4-IN-1
  • IQAIR AIRVISUAL PRO
  • TEMTOP LKC-1000E
  • GAIN EXPRESS CO22

Sale
Awair: Know What's in the Air You Breathe - Air Quality Monitor
  • Tracks Toxins and Chemicals, Dust, CO2, Humidity and Temperature
  • Provides actionable insights and personalized tips
  • Made from natural materials, including 100% North American Walnut timber

Features

Awair Smart helps to track the presence of fine dust particles, harmful chemicals, and carbon dioxide concentrations in the air.  It also comes with in-built temperature and humidity sensors. The device is integrated with mobile apps to deliver real-time updates on air safety to your smartphone. It can also work with smart home devices like Alexa, Nest, and Google Home.


The mobile app delivers air quality reports on your smartphone while allowing you to track changes over a long period. It comes with color coding to make it user friendly.

pros

  • Mobile app support
  • Works with smart home assistants
  • Offers tips on maintaining clean air
  • Long-term air tracking and reports

Cons

  • Device display not clear
  • Temperature sensor not  compatible with all devices

Price  $$

You will pay around $200 for the air quality monitor.


Where to Buy

Amazon


DC1700 Battery Operated Air Quality Monitor w/Accessories
  • True Laser Particle Counter measures the concentration of particles in the air in 2 size ranges >0.5 micron and >2.5 micron diameter
  • Accurately measure your home or neighborhood air quality and compare to AQI or PM2.5
  • Test your air purifier, HEPA air filter, or home/office air filtration efficiency

Features

The Dylos D1700 delivers laser-guided precision when it comes to monitoring indoor air quality. It can detect tiny particles like mold and bacteria as well as large ones like pollen. The device comes with an inbuilt electro-magnetic shield to monitor air pollution around purifiers and industrial equipment without interference. It features a PC connection interface to allow for further data processing.


Since PC interface uses a COM-port connection, you will need an adapter to feed the readings into your computer.

pros

  • Portable design
  • PC connectivity
  • On-board storage

Cons

  • Not compatible with mobile apps
  • Can only store data for 7 days

Price  $$$ 

The DC1700 goes for around $425 on Amazon.


Where to Buy

Amazon


Extech CO250 Portable Indoor Air Quality CO2 Meter/Datalogger
  • Measures Carbon Dioxide (CO2), temperature, humidity, dew point, and wet bulb
  • Checks for Carbon Dioxide (CO2) concentrations
  • Calculates statistical weighted averages of TWA (8 hour time weighted average) and STEL (15 minute short term exposure limit)

Features

The Extech CO250 is a portable air quality sensor that looks like a large cell phone. It can measure the levels of carbon dioxide, humidity, and temperature. You can power it using 4 AA batteries or a 9V DC connection. The device can deliver statistical reports for every 15 minutes or 8 hours depending on your settings.


The readings are delivered in weighted averages, indicated as TWA for the 8-hour readings and STEL for the 15-minutes readings.

pros

  • Delivers accurate readings
  • Portable design
  • Easy-to-read display
  • Battery powered

Cons

  • PC output is not USB compatible
  • Recordings continue even when making observations
  • Expensive

Price  $$$

You can get the portable air quality monitor for around $300 on Amazon.


Where to Buy

Amazon


Features

If you live in a dusty, smoky, industrial, or humid environment, then the DC1100 might be the air quality monitor for you. It measures the level of fine particle concentration while delivering minute, hourly, and daily readings. The device can store up to a month's readings to help you get an overall view of the air quality around your home. It can measure particles as small as 0.5 microns.


As with the previous Dylos air quality monitor on our shortlist, you will need a COM-port adapter for a USB PC connection.

pros

  • Simple interface
  • Best for fine particle pollution
  • Instant updates

Cons

  • Not portable
  • Only delivers particle readings

Price  $$

The DC100 Pro costs around $260 on Amazon.


Where to Buy

Amazon


Wynd Wearable Air Quality Tracker Bundled with A Free Book Download...
  • MONITORS AIR QUALITY: Tracker samples air continuously and measures the level of particulates in the environment, which can include both large particles (e.g., allergens) and small ones (e.g., PM2.5 from the burning of fuel or industrial processes). The free EBook teaches you about air quality with in-depth information about pollen, pet dander, mold, car and industrial pollution and how they affect your health. (Download Link Emailed after Purchase)
  • WEARABLE: Tracker is the size of your thumb and has a clip to attach to clothing, backpacks, and other gear so it can monitor while on the go.
  • MOBILE APP: Pairs with mobile app to generate personalized insights about the environment and how to improve health.

Features

Wynd offers a thumb-sized air quality monitor to help you keep track of indoor and outdoor air safety while on the move. It comes with a fixed clip so that you can wear it on your clothing or attach it to your backpack. The Wynd Tracker comes with a free, compatible mobile app. Wynd Wearable is particularly helpful for people who suffer from allergies because it measures particle pollution.


If you have a Wynd air purifier, you can synchronize it with the tracker so that you do not just monitor the air quality, but you can also regulate the air quality around your home.

pros

  • Supported by user-friendly mobile apps
  • Tracks the surrounding
  • Lightweight and portable

Cons

  • Limited battery life
  • only two tracking levels

Price  $ 

The Wynd air quality tracker goes for around $80 on Amazon.


Where to Buy

Amazon


Sale
Indoor Air Quality Desktop Monitor - CO2, Temperature & Relative...
  • Sensitive and Accurate CO2, Temp, and %RH Indication
  • Used in Classrooms, Homes, Meeting Rooms, Offices, and Greenhouses
  • Easy to turn on, plugs into a wall socket - turns on instantly!

Features

The AZ-004 keeps track of temperature, humidity, and carbon dioxide levels. Perfectly designed for your home or office, it can counter the harmful effects of your air conditioning, heating, or ventilation systems, the biggest culprits in CO2 emissions. Self-calibration makes sure that the air quality monitor starts and resets automatically. The sensors are precise and temperature resistant.


The lack of moving parts makes it one of the most durable air quality monitors that you can find in the market.

pros

  • Delivers accurate readings
  • Self-adjusting
  • Measures chemical, temperature, and humidity
  • Extended data storage period

Cons

  • Complicated display
  • Ineffective in wet environments

Price  $ 

The air quality monitor goes for around $110 on Amazon.


Where to Buy

Amazon


GermGuardian CDAP4500BCA 22” 4-in-1 WiFi Smart Air Purifier, Air...
  • WiFi & Bluetooth App Control and Voice Control: Wifi enabled purifier gives you the power to monitor and control your air quality from anywhere - 24/7! Voice Control Capable with the Alexa Skill or with your Google Assistant Guardian App provides instant notifications and alerts you when it's time to replace the filter and uv-bulb
  • Air Quality Monitor (AQM) with Indicator Display: Smart AQM detects particulate matter that is 25+ microns in size and automatically adjusts to optimize room air quality
  • Traps Allergens & Fights Germs: The HEPA filter captures 9997% of allergens including dust, pet dander and pollen while the charcoal filter gets rid of nasty household odors UV-C light technology works with Titanium Dioxide to kill airborne bacteria, viruses, germs and mold spores Carb Compliant

Features

The GermGuardian is a multifunctional air quality monitor that also serves as an air purifier. It can filter harmful particles from the air, fight odors, and kill airborne bacteria. It is Wi-Fi and Bluetooth enabled, allowing for connectivity to smartphone apps and digital assistants like Alexa. The compatible Guardian app will let you know when to change the filters or UV-bulb.


The device kills germs using a UVC light while a carbon filter helps it to control CO2 pollution. It also has a HEPA filter to trap dust and pollen while getting rid of bad odor.

pros

  • Multi-functional
  • Energy efficient
  • Kills germs
  • Beautiful design

Cons

  • Lacks sensor for air quality
  • Lacks the child safety lock feature

Price $

It will cost you around $150 to get this air quality monitor from Amazon.


Where to Buy

Amazon


IQAir [AirVisual Pro Air Quality Monitor] Compare Indoor & Outdoor Air...
  • Professional grade, highly accurate indoor/outdoor air quality monitoring system
  • Displays real-time outdoor air quality readings plus indoor temp & humidity
  • IFTTT (If This, Then That): Set your AirVisual Pro to act, based on certain parameters. For example, if your AirVisual Pro has a high CO2 reading, then you get an alert.

Features

The AirVisual Pro from IQAir can serve as your portable weather station. The device can pick up readings from external stations to help you plan your trips or make comparisons. It has an intuitive feature that delivers suggestions on how to maintain good air quality based on current readings. It is supported by the AirVisual app and comes with a large, LCD screen for easy readings.


A rechargeable battery makes the device easy to carry around, whether you want to take it the office or place it in your car.

pros

  • Attractive design
  • Large and clear display
  • Smart connectivity options
  • Easy to use
  • Delivers multiple forecasts

Cons

  • Lacks sensors for chemical compounds
  • Limited accuracy for external readings

Price  $$

You can get it on Amazon for around $270.


Where to Buy

Amazon


Temtop LKC-1000E Air Quality Monitor Formaldehyde Detector...
  • The economical 5-in-1 air quality detecto use highly accurate and professional sensors to measure PM2.5, PM10, particle, HCHO and AQI.
  • By using our latest 3rd generation Temtop laser particle sensor and optimised PSO algorithm, it makes particle measurements become more accurate and stable and enhanced its sensor life up to 20,000 hours.
  • The pre-factory calibrated electrochemical sensor enhanced its accuracy and capturing formaldehyde molecules more precisely.

Features

The LKC-100E can detect the presence of particle pollution as well as harmful chemicals like formaldehyde. It comes with an inbuilt LCD screen to display the readings from the sensors. The air quality monitor is small, portable, and convenient for use at home, in your car, or the outdoors. It is powered by a 3.7V rechargeable battery and comes with an air quality sensor.

 

LCD display uses a backlit system, making the reading visible in low light environments.

pros

  • Portable design
  • USB charging and connectivity
  • Easy to read interface
  • Delivers accurate measurements

Cons

  • Limited connectivity options
  • Formaldehyde sensor needs professional interpretation

Price  $

This product goes for around $100 on Amazon.


Where to Buy

Amazon


Carbon Dioxide/Temperature/Humidity Air Quality Monitor Meter,Wall...
  • CO2 Range: 0~2000ppm {2001~9999 (out of scale)} / Accuracy ±50ppm ±5%rdg (0~2000) / Resolution: 1ppm
  • With CE Marking, passed the standards and had been approved by European Directives for health & safety
  • Temperature Range: -10.0~60.0°C (14~140°F) /Resolution: 0.1°C/°F / Accuracy: ±0.6°C / ±0.9°F

Features

The Gain Express CO22 can deliver readings at 15-minutes and 8-hour intervals. It measures the humidity, temperature, and CO2 levels around the home. It features an LCD screen that displays all three readings at once. If you have a smart ventilation system such as an air conditioner, the built-in relay can regulate the CO2 levels by turning on or turning off the AC.


It will deliver the readings as weighted statistical averages for the 8-hour and 15-minute intervals.

pros

  • Delivers simultaneous readings
  • Programmable ventilation controls
  • CO2, humidity, and temperature monitor
  • Budget price

Cons

  • Suitable for indoor use only
  • Limited functionality and basic display

Price  $

Buying this product on Amazon should cost you around $33.


Where to Buy

Amazon

The Verdict

The air we breathe is full of contaminants which calls for the need to have an air quality monitor to detect their levels enabling you to take the appropriate action. From our list, the Gain Express CO22 is ideal for budget buyers while the DC1100 Pro is suitable for industrial use. If you do not want to spend money on a separate purifier, you can opt for the GermGuardian 4-in-1 as it delivers good value for your money even though it lacks an air quality sensor.

 

Based on our findings, Awair Smart is the best air quality monitor in the market. It measures all the important elements such as particles, chemicals, temperature, and humidity. It has a user-friendly interface, comes with mobile app support and connects with virtual assistant applications. Coupled with a beautiful design, it is the best $200 that you can ever spend on an air quality monitor.

 

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