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10 Best Air Quality Detectors 2025 in the United States
#1
Winner
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
10.0
Chosen by1,196
Accuracy and Sensitivity
Connectivity and Smart Features
Most important from
2 reviews
#2
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
9.7
Types of Pollutants Detected
Accuracy and Sensitivity
Display and Alerts
Most important from
1690 reviews
#3
Airthings 325 Corentium Home 2 Smart Digital Radon Detector - Portable and Easy-to-use Radon Testing with Bluetooth connectivity and Humidity & Temperature Sensors
The Airthings 325 Corentium Home 2 is a specialized air-quality detector designed to continuously monitor radon, a dangerous gas linked to cancer. Its main strength lies in its proven accuracy and trusted radon sensing technology, which is highly valued by professionals. The device is compact and lightweight, making it easy to place anywhere in your home without hassle. It runs on included AA batteries, offering decent portability and no need to plug in.
Rating
9.1
Types of Pollutants Detected
Accuracy and Sensitivity
Display and Alerts
Most important from
10598 reviews
Top 10 Best Air Quality Detectors 2025 in the United States
#1
Winner
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
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
Chosen by 1196 this week
Airthings 2960 View Plus - Battery Powered Radon & Air Quality Monitor (PM, CO2, VOC, Humidity, Temp, Pressure)
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
Airthings 325 Corentium Home 2 Smart Digital Radon Detector - Portable and Easy-to-use Radon Testing with Bluetooth connectivity and Humidity & Temperature Sensors
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 Corentium Home Radon Detector 223 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L
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
Amazon Smart Air Quality Monitor – Know your air, Works with Alexa
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
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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
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
BW Technologies MCXL-XWHM-Y-NA GasAlertMicroClip XL 4 Gas Detector, CO, H2S, LEL and O2, Yellow
BW Technologies MCXL-XWHM-Y-NA GasAlertMicroClip XL 4 Gas Detector, CO, H2S, LEL and O2, Yellow
Types of Pollutants Detected: CO, H2S, O2, combustible gases
Display and Alerts: clear LCD, visual alerts, flashing green
Power Source and Battery Life: Battery Powered
Size and Portability: 4.5x3.5x2 inches; 6 ounces
16 in 1 Air Quality Monitor Indoor 7" Display 9 AQI+7 AQI Alerts Air Quality Meter for CO2, TVOC, PM2.5 PM1.0 PM10, HCHO, Temperature Humidity AQI & Time, Air Detector Air Quality Tester for Home
16 in 1 Air Quality Monitor Indoor 7" Display 9 AQI+7 AQI Alerts Air Quality Meter for CO2, TVOC, PM2.5 PM1.0 PM10, HCHO, Temperature Humidity AQI & Time, Air Detector Air Quality Tester 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 2989 View Radon - Radon Monitor with Humidity & Temperature Detector - Battery Powered Mobile APP, WiFi, Alerts & Notifications
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
#10
Airthings 2930 Wave Plus - Radon & Air Quality Monitor, Battery Powered (CO2, VOC, Humidity, Temp, Pressure)
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.