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10 Best Air Quality Detectors 2025 in the United States

#1

Winner

10.0 score

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

The Airthings 2960 View Plus is a battery-powered air quality monitor that excels in measuring various pollutants, including radon, PM2.5, CO2, VOCs, humidity, temperature, and air pressure. Its continuous monitoring capabilities and Wi-Fi connectivity allow users to check real-time data and receive alerts through the Airthings app, making it user-friendly for those wanting to enhance their indoor air quality. The monitor’s accuracy, especially for radon detection, is a significant strength, given the serious health risks associated with radon exposure.

Rating
10.0
Chosen by1,115
Types of Pollutants Detected
Accuracy and Sensitivity
Display and Alerts

Most important from
1732 reviews

Types of Pollutants Detected
This unit literally saved my life by detecting high radon levels that I was unaware of.
Accuracy and Sensitivity
The unit is expensive, but for constant and accurate monitoring of various airborne levels, there isn't another product on the market that compares.
Display and Alerts
The convenience of getting alerts from anywhere and seeing results any time of day or night is really worth the extra cost.
Connectivity and Smart Features
The smartphone app's UI and usability is exceptionally good and the product is easy to work with.
#2
8.8 score

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

The Airthings 322 Wave Enhance is a compact, battery-powered air quality monitor designed for indoor use, especially in bedrooms and home offices. It measures five important air quality factors: carbon dioxide (CO2), volatile organic compounds (VOCs), humidity, temperature, and air pressure. It also tracks noise and light levels, which can affect sleep and concentration. The device offers decent accuracy, with a margin of ±50 ppm for CO2, which is suitable for basic monitoring of air freshness and ventilation. Its size and lightweight design make it easy to place anywhere without needing cables, which helps with portability around your home.

Rating
8.8
Types of Pollutants Detected
Display and Alerts
Connectivity and Smart Features

Most important from
1732 reviews

Types of Pollutants Detected
The device delivers accurate and reliable monitoring for radon, CO2, humidity, and other air quality factors, making it a solid choice for long-term indoor air tracking.
Display and Alerts
Alerts can sometimes be overly sensitive or misaligned with user priorities, and the inability to customize alert thresholds limits the user experience.
Connectivity and Smart Features
The free app provides an excellent user interface with real-time data, trend analysis, and useful alerts accessible from anywhere, enhancing convenience and usability.
Power Source and Battery Life
Battery life lasts around 75 to 120 days depending on the batteries used, but the lack of rechargeable options and no low-battery notifications in the app can be inconvenient.
Accuracy and Sensitivity
Compared to competitors, this unit offers more comprehensive readings and better quality, making it a worthwhile investment despite its premium price.
#3
8.8 score

Temtop Particle Counter Aerosol Dust Monitor Handheld Laser Air Quality Detector PM Sensor Air Pollution Monitor Professional Yet Affordable PM1.0 PM2.5 PM4.0 PM10 TSP PMD 351 with RS-485

The Temtop PMD 351 is a handheld air quality detector designed to measure a range of particulate matter sizes, including PM1.0, PM2.5, PM4.0, PM10, and total suspended particles. This wide detection capability is a strong point, making it suitable for users needing detailed insights into airborne dust and pollution levels. Its photoelectric sensor combined with a steady 1 CFM pump flow helps provide reliable and stable results, which is important if you want accurate air quality readings.

Rating
8.8
Accuracy and Sensitivity
Connectivity and Smart Features

Most important from
2 reviews

Accuracy and Sensitivity
Tracking how air quality shifts during busy times provides critical insights for maintaining a healthy environment.
Connectivity and Smart Features
The ability to gather detailed data makes this device an excellent choice for serious air quality management.

Top 10 Best Air Quality Detectors 2025 in the United States

#1

Winner

10.0  score

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

Types of Pollutants Detected: radon, PM2.5, CO2, VOCs, humidity, temperature
Accuracy and Sensitivity: Radon: After 7 days: σ ~ 10 %
Display and Alerts: calm tech display, Visual alarm
Connectivity and Smart Features: Wi-Fi, Airthings app, Alexa, Homey
Power Source and Battery Life: Battery Powered, 2 years
Size and Portability: 4"D x 4"W x 2"H, 360 Grams

Chosen by 1115 this week

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

Types of Pollutants Detected: CO2, VOCs, humidity, temperature, pressure
Accuracy and Sensitivity: ±50 ppm ±5%
Display and Alerts: touch sensor, color-coded lights
Connectivity and Smart Features: Bluetooth, app, notifications, pollen forecast
Power Source and Battery Life: Battery powered, 2 AA included
Size and Portability: 4"D x 4"W x 1.99"H, 3.36 oz

Temtop Particle Counter Aerosol Dust Monitor Handheld Laser Air Quality Detector PM Sensor Air Pollution Monitor Professional Yet Affordable PM1.0 PM2.5 PM4.0 PM10 TSP PMD 351 with RS-485

Types of Pollutants Detected: PM1.0, PM2.5, PM4.0, PM10, TSP
Accuracy and Sensitivity: Photoelectric sensor with steady 1 CFM pump
Display and Alerts: Large, easy-to-read screen
Connectivity and Smart Features: RS-485, USB export, SCADA integration
Power Source and Battery Life: Battery powered, 1 lithium-ion battery
Size and Portability: 6.69"D x 1.89"W x 4.33"H, 9 lbs

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

Types of Pollutants Detected: radon
Accuracy and Sensitivity: reliable short and long-term readings
Display and Alerts: on-screen display
Connectivity and Smart Features: no smartphone integration or alerts
Power Source and Battery Life: Battery Powered, 1 AA included
Size and Portability: 1 x 2.7 x 4.7 inches

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

Types of Pollutants Detected: radon
Accuracy and Sensitivity: proven accuracy
Display and Alerts: visual alarm, app graphs and alerts
Connectivity and Smart Features: Bluetooth, smartphone and tablet app
Power Source and Battery Life: 2 AA alkaline batteries included
Size and Portability: 1.14"D x 2.4"W x 4.45"H, 4.48 oz

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

Types of Pollutants Detected: Radon, Humidity, Temperature
Accuracy and Sensitivity: Impressive accuracy for radon
Display and Alerts: Customizable display, real-time data, alerts
Connectivity and Smart Features: WiFi, Airthings app, iOS, Android
Power Source and Battery Life: 6 AA batteries, up to 3 years
Size and Portability: 6.69 x 1.3 x 3.54 inches

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

Types of Pollutants Detected: PM 2.5, VOCs, CO, humidity, temperature
Accuracy and Sensitivity: Temp: ±1.0 °C, Humidity: ±10% at 25 °C
Display and Alerts: color-coded LED, Echo notifications
Connectivity and Smart Features: 2.4GHz Wi-Fi, BLE 4.2, Alexa compatible
Power Source and Battery Life: micro-USB cable, 5.0V 1A (5W)
Size and Portability: 65x65x45mm, 120 grams

BREATHE Airmonitor Plus: Smart Air Quality Monitor Indoor - 8-in-1 CO2 Meter, Formaldehyde Detector, VOC Meter, PM1/2.5/10, Temperature & Humidity - Air Quality Tester for Home with App

Types of Pollutants Detected: CO2, formaldehyde, VOC, PM1, PM2.5, PM10
Accuracy and Sensitivity: high-precision laser sensors and NDIR CO2
Display and Alerts: simple display with graphs and alerts
Connectivity and Smart Features: Wi-Fi connects to app for tracking
Power Source and Battery Life: corded electric; 2-3 hours battery
Size and Portability: 1.4"D x 2.8"W x 3.3"H, 4oz

16 in 1 Air Quality Monitor Indoor 7" Display 9 AQI+7 AQI Alerts, CO2 Monitor Air Quality Tester for CO2, TVOC, PM2.5 PM1.0 PM10, HCHO Temperature Humidity AQI & Time Air Quality Meter for Home

Types of Pollutants Detected: CO2, PM2.5, PM1.0, PM10, HCHO, TVOC
Accuracy and Sensitivity: high-precision external sensors
Display and Alerts: 7-inch LED, adjustable brightness, alert buzzers
Power Source and Battery Life: USB-C charger, 8-hour battery life
Size and Portability: 8.03x5.75x2.83 in, 1.46 lbs, cable-free

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

Types of Pollutants Detected: Radon, CO2, TVOC
Accuracy and Sensitivity: σ ~ 10% at 5 pCi/L after 7 days
Display and Alerts: Color-coded visual alerts
Connectivity and Smart Features: Bluetooth, app, Alexa, Airthings
Power Source and Battery Life: Battery powered, 2 AA, 1.5 years
Size and Portability: 1.4"D x 4.75"W x 4.75"H, 0.48 lb
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Buying Guide for the Best Air Quality Detectors

Air quality detectors are essential devices that help you monitor the quality of the air in your home or workplace. They can detect various pollutants and provide you with real-time data, allowing you to take necessary actions to improve air quality. When choosing an air quality detector, it's important to consider several key specifications to ensure you select the best one for your needs.
Types of Pollutants DetectedThis spec indicates the range of pollutants the detector can identify, such as particulate matter (PM2.5, PM10), volatile organic compounds (VOCs), carbon dioxide (CO2), carbon monoxide (CO), and other gases. It's important because different pollutants can have various health impacts. If you live in an area with high traffic, a detector that measures CO and PM2.5 might be crucial. For homes with new furniture or paint, VOC detection is essential. Choose a detector that covers the pollutants most relevant to your environment.
Accuracy and SensitivityAccuracy refers to how close the detector's readings are to the actual air quality levels, while sensitivity indicates the detector's ability to detect small changes in pollutant levels. High accuracy and sensitivity are important for reliable data. Detectors with higher accuracy and sensitivity are generally better but may be more expensive. If you need precise monitoring, such as for health reasons, opt for a high-accuracy model. For general use, a moderate level of accuracy and sensitivity may suffice.
Display and AlertsThis spec covers how the detector presents data and alerts you to changes in air quality. Some detectors have digital displays showing real-time data, while others use color-coded lights or mobile app notifications. This is important for ease of use and immediate awareness. If you prefer constant monitoring, a model with a clear display and real-time updates is ideal. For those who want to be alerted only when there's a significant change, a detector with customizable alerts might be better.
Connectivity and Smart FeaturesConnectivity options like Wi-Fi or Bluetooth allow the detector to sync with smartphones or smart home systems. Smart features might include data logging, trend analysis, and integration with other smart devices. These features are important for remote monitoring and detailed analysis. If you are tech-savvy and want to integrate the detector into your smart home ecosystem, look for models with robust connectivity and smart features. For basic monitoring, simpler models without these features may be sufficient.
Power Source and Battery LifeThis spec indicates whether the detector is battery-operated, plug-in, or both, and how long the battery lasts. It's important for ensuring continuous operation without frequent recharging or replacing batteries. For portable use or areas without easy access to power outlets, a long battery life is crucial. For stationary use, a plug-in model might be more convenient. Choose based on where and how you plan to use the detector.
Size and PortabilitySize and portability refer to the physical dimensions and weight of the detector. This is important for placement flexibility and ease of transport. If you need to move the detector between rooms or take it with you when traveling, a compact and lightweight model is ideal. For permanent installation in a specific location, size may be less of a concern.

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