Top 10 Best indoor air quality in 2026

Last Updated - 6/25/2026

🏆Best Choice

Airthings

Airthings 325 Corentium Home 2 Smart Digital Radon Detector - Portable and Easy-to-use Radon Testing with Bluetooth connectivity and Humidity & Temperature Sensors

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•THE ORIGINAL RADON DETECTOR, UPDATED: The same proven accuracy as the best-selling original Corentium Home, now with Bluetooth connectivity and bonus temp and humidity sensors.
•LONG TERM MONITORING: Monitor for cancer-causing radon gas continuously to stay informed. No lab fees, no waiting—just always-available, reliable results.
•"SEE" RADON IN YOUR HOME: The app's graphs show how radon rises and falls. Take actions to reduce levels. Keep monitoring to ensure they stay low.
•PERSONALIZED TIPS: Get tailored advice to confidently address your home's radon levels. Less doubt, more peace of mind.
•TRUSTED BY PROS: Get the power of Airthings' patented radon sensing technology used and recommended by thousands of radon professionals and home inspectors.

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$176.28

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Airthings

Airthings Corentium Home Radon Detector 223 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•FIRST OF ITS KIND: The first battery-operated, digital radon detector. Monitor your home without the need for an outlet.
•LONG TERM MONITORING: Monitor for cancer-causing radon gas. Long term monitoring is necessary as radon levels fluctuate daily.
•BE IN CONTROL: Take action if your radon levels are high. Know if your improvements have worked by checking the short term, on-screen readings.
•RADON REPORT: Generate a radon self-inspection report easily, whenever you need it.
•FAST RESULTS: On-screen results show both long and short term readings, for a quick overview of your radon levels.

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$138.90

$149.99

-7%

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Airthings

Airthings 2960 View Plus - Battery Powered Radon & Air Quality Monitor (PM, CO2, VOC, Humidity, Temp, Pressure)

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•ALWAYS-ON AIR QUALITY SENSORS: WiFi connected indoor air quality monitor measuring radon gas, PM2.5 (air pollution detector), carbon dioxide (CO2), VOCs (airborne such as kitchen gases, fumes and cleaning products), humidity, temperature, and air pressure. The monitor requires the Airthings app to function. Operating Temperature 4 to 40°C / 39 to 104°F.Sensor type: Electrochemical
•ACCURATE DIGITAL RADON DETECTOR: Radon is the number one cause of lung cancer among non-smokers and kills more than 6x the number of people than home fires and carbon monoxide poisoning combined.
•SMART AIR QUALITY MONITORS YOU CAN TRUST: With 15 years of experience in indoor radon and air quality monitoring, Airthings has established trust among over 1,000,000 users who rely on its smart monitors for understanding and controlling their air health. An account is required to use the device, which only requires providing your email and name.
•CONTINOUS MONITORING: Check your live data anytime and receive timely air quality notifications wherever you are. Track pollutants and contaminants before they become a problem with this always-on indoor radon gas, VOC, CO2, PM2.5 air quality monitor. The monitor and app both require internet access, with data saved securely in the cloud for seamless tracking and analysis.
•FREE & FRIENDLY APP: Use the Airthings app to check current air quality readings and analyze trends over time. Get timely notifications and tips to improve your air. Check your local pollen forecast with data from Breezometer.
•FIVE YEAR WARRANTY: Register for the optional and free extended warranty to increase your standard product warranty to five years.
•EASY-TO-USE & CABLE-FREE : Quick and easy setup. Understated unit that is battery-powered for cable-free placement. Customizable eInk screen.

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$329.99

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Airthings

Airthings 322 Wave Enhance -Indoor Air Quality Monitor for CO2, VOC, Humidity, Temp, Pressure plus Noise & Light Sensors - Monitors Conditions for Sleep in Bedrooms & for Concentration in Home Offices

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•5 ALWAYS-ON AIR QUALITY SENSORS: Bluetooth-connected indoor air quality monitor measuring carbon dioxide (CO2), VOCs (airborne gases, fumes and cleaning products), humidity, temperature, and air pressure. Also tracks noise and light levels.
•GREAT FOR BEDROOMS & HOME OFFICE: High levels of carbon dioxide in the air, a sign of insufficient ventilation, can cause poor sleep at night and difficulty focusing during the day. Know your levels and improve your air.
•FREE & FRIENDLY APP: Use the Airthings app to manage notifications, check current readings, and analyze trends over time. Check your local pollen forecast and get helpful advice and product support.
•EASY-TO-USE & CABLE-FREE : Quick and easy setup. Understated, battery-powered unit for cable-free placement. Touch sensor for color-coded air quality indicator - access to complete readings in the app.
•WHAT YOU GET: Airthings Wave Enhance, 2 AA batteries, Quick Start Guide, Airthings Support and optional and free 5-year extended warranty to increase your standard product warranty.

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$159.99

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Airthings

Airthings 2930 Wave Plus - Radon & Air Quality Monitor, Battery Powered (CO2, VOC, Humidity, Temp, Pressure)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•RELIABLE RADON RESULTS: As radon levels fluctuate daily, continuous long-term measuring is necessary. Airthings Wave Plus measures radon accurately and reliably
•CLEAN AIR SENSORS: Radon, Carbon Dioxide (CO2), VOCs (airborne such as kitchen gases, fumes and cleaning products), humidity, temperature and air pressure sensors allow you to gain full visibility into six key indoor air factors
•EASY AND CLEAR RESULTS: Wave in front of the device for a color-coded visual indication or connect via Bluetooth to the Airthings App for detailed insights into your air
•DESIGNED IN NORWAY, TRUSTED BY THE WORLD: 15 years of experience in indoor radon and air quality monitoring and original industry leaders in radon gas detectors.
•WHAT YOU GET: Airthings Wave Plus, 2 AA batteries, Quick Start Guide, Airthings Support and optional

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$215.00

$249.99

-14%

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Airthings

Airthings 2989 View Radon - Radon Monitor with Humidity & Temperature Detector - Battery Powered Mobile APP, WiFi, Alerts & Notifications

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•NEW RADON SENSOR TECHNOLOGY: Our most accurate, robust and sustainably-designed radon sensor, also measuring humidity and temperature
•CUSTOMIZABLE DISPLAY: Set your Calm Tech Display view preferences or wave hand in front to trigger sensor levels, with simple color coding. Display up to four values on the eInk screen. Check complete readings in the app.
•EASY TO USE: View data anytime, anywhere, with the free Airthings App (iOS/Android) and online dashboard with graphs, notifications and insights; wireless and WiFi connected device with up to 3 year battery lifetime
•WIRELESS READY: Connects to your WiFi, or plug in with the USB cable and the View Radon becomes a hub, bringing other Airthings devices online
•CONTINUOUS MONITORING: Detect radon early, minimize spread and manage your levels to keep your family safe
•WHAT YOU GET: Airthings View Radon, 6 AA batteries, Quick Start Guide, Airthings Support and optional and free 5-year extended warranty to increase your standard product warranty

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$219.99

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Airthings

Airthings 2950 Wave Radon - Smart Radon Detector with Humidity & Temperature Sensor – Easy-to-Use – Accurate – No Lab Fees – Battery Operated - Free App

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•RADON DETECTOR: Radon is the number one cause of lung cancer among non-smokers and kills more than 6x the number of people than home fires and carbon monoxide poisoning combined
•CONTINUOUS MONITORING: Radon gas fluctuates daily and is highly dependent on many factors such as weather conditions. Long-term monitoring is crucial to take control, understand long-term exposure and minimize potential health effects
•EASY TO USE: Simply wave in front of the monitor to get a color-coded visual indication of the air quality (Green, Yellow, Red) or connect to the App to get detailed results
•NO LAB FEES: Get both long and short term radon results straight to your smartphone via Bluetooth and easily generate a radon report through the Airthings Dashboard
•FOR EVERY HOME: A battery-powered, smart radon detector which monitors radon gas all year round as well as humidity and temperature
•CONNECTED: Airthings Wave 2nd Generation has Smartlink functionality, meaning it can connect to the Airthings Hub to bring your data online 24/7

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$165.57

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Airthings

Airthings-292 Wave Mini - Indoor Air Quality - Chemicals (TVOCs), Humidity, Temperature 20 x 30 x 1

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•FRESH AIR QUALITY SENSOR: Track the changes in VOC (airborne chemicals) levels in a room's air to identify the sources and take steps to minimize them - keep your air fresh and clean.
•ALWAYS-ON AIR QUALITY SENSORS: Bluetooth connected indoor air quality monitor measuring VOCs (airborne such as kitchen gases, fumes and cleaning products), humidity, temperature, and mold risk.
•WATCH AS YOUR AIR IMPROVES: When you elimante the sources of VOCs or improve a room's airflow, you can watch as the VOCs levels drop in response. Take control of your air
•FREE & FRIENDLY APP: Use the Airthings app to manage notifications, check current readings, and analyze trends over time. Requirements-One of the 3 latest major versions of iOS or Android supporting Bluetooth 4.2 or later, or Hub with Airthings SmartLink
•EASY-TO-USE & CABLE-FREE : Understated unit that is battery-powered for cable-free placement. Color-coded air quality indicator is activated by simply passing your hand in front of the unit. Access complete readings in the app.
•WHAT YOU GET: Airthings Wave Mini, 3 AA batteries, Quick Start Guide, Airthings Support & optional and free extended warranty to increase your standard product warranty to five years.

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$89.99

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Airthings

Airthings View Plus & Wave Mini - Multi Room Air Quality Monitor with PM 2.5, CO2, VOC, Humidity & Temperature Detector, Mobile APP, Wi-Fi, Alerts & Notifications

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•ALL-IN-ONE AIR QUALITY MONITOR: The most advanced indoor air quality monitor measuring particulate matter (PM2.5), carbon dioxide (CO2), radon, VOC (airborne chemicals), humidity, temperature, air pressure and pollen levels.
•CUSTOMIZABLE DISPLAY: Wave in front to view all pollutants that are outside recommended levels
•FRESH AIR SENSORS: Monitor chemicals (Total VOCs), Humidity and Temperature to ensure optimum comfort and healthy levels in every room
•HEALTHY HUMIDITY: Easily maintain healthy indoor humidity levels between 30% - 59% as the EPA recommends

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$379.98

$419.98

-10%

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CASEMATIX

CASEMATIX Carrying Case Compatible with Airthings 2960 View Plus Air Quality Monitor and Accessories - Includes Handheld Storage Case Only

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•The Perfect Fit for Your Carbon Dioxide Monitor: This CASEMATIX travel case will hold your indoor air quality meters and small accessories. Maximum internal dimensions measure 6.75" x 3.75" x 1.5"
•Hard Shell Protection: This carry case features impact-resistant EVA materials that will protect your portable air monitor from drops, dings, scrapes and scratches. This case will also hold extra batteries or other small items
•Compact Travel Design: This compact travel case for your CO2 meter measures only 7.5" x 4.5" x 2.0" and can conveniently be stored to be taken to school, the office and more
•Netted Accessory Storage: This air quality detector case's interior features a netted accessory pocket on the underside of the lid for air quality sensor accessories like extra batteries
•Wrist Strap for Easy Transport: This CASEMATIX carrying case includes a comfortable (and removable) carrying wrist strap for convenient storage and transportation of your VOC, Co2 and radon monitor

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$18.99

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