Top 10 Best ozone meter in 2026

Last Updated - 6/8/2026

🏆Best Choice

Amazon

Amazon Smart Air Quality Monitor – Know your air, Works with Alexa

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Know your air – Amazon Smart Air Quality Monitor makes it easy to understand what’s in your indoor air.
•Track and measure – Keep tabs on 5 key factors: particulate matter (PM 2.5), volatile organic compounds (VOCs), carbon monoxide (CO), humidity, and temperature.
•Stay informed – Get an indication of current air quality from the color-coded LED, and an easy-to-understand air quality score in the Alexa app anytime.
•Get notifications – If Alexa detects poor air quality, you can get notifications on your phone or even announcements on Echo devices.
•Enable Routines to turn your Alexa-enabled devices such as air purifiers, dehumidifiers, and fans on and off when the indoor air quality changes.
•Maximize comfort - Keep different areas of your home more comfortable using the built-in temperature sensor with the Amazon Smart Thermostat

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$69.99

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Airthings

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

9.7

ChoiceComparer.com Score

9.7

/ 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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Bcetasy

11-in-1 Air Quality Monitor - Portable Indoor Air Quality Detector with Stand, Real-Time Test for AQI, CO2, PM2.5, PM1.0, PM10, TVOC, HCHO, Particles, Temperature & Humidity with Aler (White-Black)

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•【11-in-1 Portable Air Quality Monitor】Monitor 11 critical air quality indexes in real-time: AQI, CO2, PM1.0/PM2.5/PM10, Particle count, HCHO, TVOC, temperature, Humidity, and dual alarm systems. This laboratory-grade indoor air quality monitor provides precise detection of hazardous substances like construction dust, mold spores, and chemical off-gassing.
•【Multi-Sensor Fusion Technology】Featuring NDIR infrared CO2, laser particle, semiconductor, photoelectric, temperature & humidity sensors, this indoor air quality detector responds instantly and precisely, giving you trustworthy data on CO2 levels, PM2.5 concentration, TVOC emissions, and more.
•【Color & Sound Dual Alarm Systems】Built-in color-coded icons (Green for Good ▶ Yellow Moderate ▶ Orange Poor ▶ Red Unhealthy) and a loud ticking alarm notify you the moment any gas threshold is exceeded. The flashing light and screen color change help you take action fast to improve indoor air quality.
•【Long-Lasting Battery】Powered by a 2500 mAh rechargeable battery and fast USB-C port, this detector runs for 11-12 hours on a single charge. Low-power consumption and portable design mean uninterrupted indoor air quality monitoring wherever you go.
•【Clear LCD Display】The large backlit LCD screen on this portable air quality monitor shows each reading in vibrant color reminders. Brightness adjusts to your environment-day or night-so you can check temperature, humidity, AQI and more at a glance.
•【Versatile Application】This all-in-one indoor air quality monitor is perfect for living rooms, kitchens, basements, offices, grow tents, cars, and more. Its small footprint and user-friendly interface make maintaining a healthy environment effortless.
•【Product Usage Notes】①Before first use, charge the device for at least 10 minutes, then press and hold the power button to turn it on. ②If readings appear inaccurate over time, restart the device to recalibrate the sensors. ③For further assistance, contact us anytime. We guarantee a satisfactory response within 12 hours.

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$59.99

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ZYKYCX

ZYKYCX Portable Ozone Detector, 0-20 PPM Ozone Gas Monitor with 0.01 PPM High Resolution, 16H Long Battery Life, Ozone Meter with Alarm, O3 Air Quality Monitor with Temp & Humidity Tester

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•High Precision Ozone Monitoring: Thanks to the electrochemical sensor, this ozone detector can accurately measure ozone concentration from 0-20 PPM with a resolution of 0.01 PPM. High accurate readings of O3 levels make it reliable for detecting ozone air in various environments
•Rechargeable & Long-Lasting: As a rechargeable ozone meter, built-in a 2500 mAh high-capacity battery. Once fully charged, this O3 monitor can continuously operate for up to 16 hours. Whether you’re at home or on the go, allowing you to use the ozone detector anytime and anywhere
•Portable w/ Alarm Protection: This ozone gas detector has three alarm modes, including vibration, sound and flashing lights. The alarm limit value for O3 gas air quality is adjustable. It has a rapid response and can effectively alert you to the leak of ozone gas until the gas concentration is at a safe level
•Multi-Function Ozone Monitor: This ozone gas meter can accurately detect gas/ozone while also keeping track of the ambient temperature (℃/℉) and humidity. Feature manual/auto power off optional to save your battery, also it can record up to 1000 pieces of data for easy ozone monitoring
•Convenient to Use: Ozone gas concentration, Maximum O3 meter values, Temp, and humidity on 2.8” bright backlit LCD screen at the same time. Come with a convenient carrying case and back clip design makes it easy to carry and use

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$169.99

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ZYKYCX

ZYKYCX Portable Ozone Detector, 0-20 PPM Ozone Gas Monitor with 0.01 PPM High Resolution, 16H Long Battery Life, Ozone Meter with Alarm, O3 Air Quality Monitor with Temp & Humidity Tester, Orange

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•High Precision Ozone Monitoring: Thanks to the electrochemical sensor, this ozone detector can accurately measure ozone concentration from 0-20 PPM with a resolution of 0.01 PPM. High accurate readings of O3 levels make it reliable for detecting ozone air in various environments
•Rechargeable & Long-Lasting: As a rechargeable ozone meter, built-in a 2500 mAh high-capacity battery. Once fully charged, this O3 monitor can continuously operate for up to 16 hours. Whether you’re at home or on the go, allowing you to use the ozone detector anytime and anywhere
•Portable w/ Alarm Protection: This ozone gas detector has three alarm modes, including vibration, sound and flashing lights. The alarm limit value for O3 gas air quality is adjustable. It has a rapid response and can effectively alert you to the leak of ozone gas until the gas concentration is at a safe level
•Multi-Function Ozone Monitor: This ozone gas meter can accurately detect gas/ozone while also keeping track of the ambient temperature (℃/℉) and humidity. Feature manual/auto power off optional to save your battery, also it can record up to 1000 pieces of data for easy ozone monitoring
•Convenient to Use: Ozone gas concentration, Maximum O3 meter values, Temp, and humidity on 2.8” bright backlit LCD screen at the same time. Come with a convenient carrying case and back clip design makes it easy to carry and use

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$169.99

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Sensafe

Industrial Test Systems | SenSafe Ozone Check Test Strip 481234 | 0 - >0.5ppm Range | Bottle of 50 | Made in USA | Lowest Detection Levels | 30-Second Test | Drinking Water, Restaurants, & More

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•✅ DETECTION LEVELS: Ozone 0. 0, 0. 05, 0. 1, 0. 2, 0. 3, 0. 4, >0. 5 ppm
•✅ EASY TO USE: Single dip and read test strip procedure and optimized color chart make the product ideal for technical and non technical users alike for detection of Ozone in water. Accurate results in 30 seconds
•✅ COMPLETE KIT: Bottle of 50 test strips with verified color chart bottle label for easy color matching
•✅ ACCURATE AND RELIABLE: Components are tested by Quality Control personnel at each step and are rejected if they are outside of specifications. Standards are prepared using calibrated equipment, and concentrations are confirmed by recognized reference methods
•✅ HIGHEST QUALITY: ITS, manufactures test strip products in their USA facility in an environment that allows for reproducibility, accuracy, and traceability based on Good Manufacturing Practices

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$25.59

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MACHEREY-NAGEL

Macherey-Nagel, 90736, Ozone Test Sticks, Box of 12 Strips. Determination of Ozone in air.

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Ozone Test Sticks, Box Of 12 Strips

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$30.49

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VISLONE

VISLONE Ozone Detector, O3 Air Quality Meter Indoor, Portable Air Quality Monitor, Temperature Humidity Meter with Backlight LCD Screen Alert

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•The air quality monitor features a 2.8in LCD display with high definition colour screen showing gas concentrations, temperature, humidity values and graphical interface.
•Gas exceeds the standard alarm peak buzzer ringing, digital change colour, you can set the alarm value of the gas by yourself.
•Data saving function (can store 100000 pieces of data), set the timer to store, delete data, view historical data.
•The display brightness can be adjusted from 5% to 100%, the default brightness is 60% at power on, and the temperature can be switched between Celsius ℃ and Fahrenheit ℉.
•Air quality monitor comes with a rugged case, easy to carry around and use in different environments, both indoors and outdoors.

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$109.99

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CINAHAW

Portable O3 Meter Ozone Detector 3.5 Inch TFT Multifunction Air Quality Monitor for Air Quality Temperature Humidity Detection, Handheld Ozone Meter Tester for Home Office Use

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•USB CHARGING: The O3 detector is equipped with a USB charging port and a high capacity 2000mAh lithium battery that warns when the battery is running low.
•O3 DETECTOR: User adjustable O3 alarm threshold, which will sound when the threshold is reached to alert the user of elevated concentrations.
•ACCURATE READINGS: Built in electrochemical sensors, temperature and humidity sensors, and an on board fan that draws in surrounding air for more accurate real time results.
•CLEAR SCREEN: O3 detector adopts color LCD, high definition pixels, easy to view, support time and date, self calibration function.
•SMALL AND PORTABLE: The small size and light weight of the O3 detector makes it very convenient to carry around so that you can monitor the O3 concentration in the air at any time.

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$129.00

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CINAHAW

O3 Meter Ozone Monitor, Gas Detector Multifunctional Intelligent O3 Ozone Meter Gas Test Sensor Air Quality TVOC PM2.5 PM1.0 PM10 0-5ppm O3 Tester Know Your Air Clearly

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•【Multi-Gas Monitor】Integrated detection with O3, PM2.5, PM1.0, PM10, TVOC, Temperature, Humidity.
•【LCD screen】 The ozone detector has 2.8" color liquid crystal display (LCD), 320 * 240 pixels. It is easy to view.
•【Accurate Reading】 The onboard fan can draw in the surrounding air to obtain more accurate real-time results.
•【USB charge】The ozone detector is equipped with a USB charging port and a large-capacity 1200mAh lithium battery, which is convenient to use. The Micro USB rechargeable battery will warn when the charge is low.
•【Exceeding Alarming】Exceeding Alarming with auto detection and auto measuring. If you do not like alarm sound, you can turn it off by pressing the power button 2 times.

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$139.00

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