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10 Best Indoor Air Quality Monitors 2025 in the United States

#1

Winner

9.8 score

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

The Airthings 2960 View Plus is a solid choice for those looking to monitor indoor air quality, especially when it comes to detecting radon—a significant health risk. Its range of sensors allows it to measure various pollutants, including PM2.5, CO2, and VOCs, making it a comprehensive tool for understanding air health in your home. The WiFi connectivity lets you check your air quality in real-time via the Airthings app, which provides valuable notifications and historical data analysis.

Rating
9.8
Chosen by1,309
Sensors
Accuracy
Data Display and Connectivity

Most important from
1597 reviews

Sensors
This product checks all the boxes for tracking radon and humidity levels over a long period, providing alerts from anywhere and an easy-to-use dashboard.
Accuracy
The product is accurate and reliable for constant monitoring of various airborne levels.
Data Display and Connectivity
The smartphone app's UI and usability are exceptionally good, making the product easy to work with.
Alerts and Notifications
This product checks all the boxes for tracking radon and humidity levels over a long period, providing alerts from anywhere and an easy-to-use dashboard.
#2
9.6 score

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

The Amazon Smart Air Quality Monitor is designed to help you keep track of your indoor air quality by measuring five key factors: particulate matter (PM 2.5), volatile organic compounds (VOCs), carbon monoxide (CO), humidity, and temperature. One of its strengths lies in its accurate sensors, which provide reliable data on air quality. The color-coded LED indicator gives a quick visual representation of air quality, and detailed scores can be viewed through the Alexa app.

Rating
9.6
Sensors
Accuracy
Data Display and Connectivity

Most important from
5045 reviews

Sensors
The device's sensitivity is impressive, responding quickly to activities like sanding furniture or using cleaning products, which affect air quality.
Accuracy
The monitor can trigger routines for devices like window AC units, adjusting fan speeds based on room temperature for more accurate climate control.
Data Display and Connectivity
Installation is a breeze, taking less than 10 minutes, and it integrates seamlessly with multiple Alexa devices.
Alerts and Notifications
The color-coded LED indicator is very bright and can be annoying if it turns red for high levels of pollutants, even if the light is turned off.
#3
9.4 score

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 solid choice if you want to keep an eye on radon gas levels in your home, which is important for long-term health safety. It uses proven radon sensing technology trusted by professionals to provide accurate, continuous monitoring without needing lab tests. The addition of Bluetooth means you can easily connect it to your smartphone or tablet to view radon levels along with temperature and humidity data, helping you understand your indoor air environment better. The device is compact and lightweight, powered by included AA batteries, so it's portable and easy to place in different rooms without hassle.

Rating
9.4
Sensors
Accuracy
Data Display and Connectivity

Most important from
10450 reviews

Sensors
While it only measures radon, temperature, and humidity, its dedicated focus provides peace of mind for radon detection without unnecessary complexity.
Accuracy
The device delivers remarkably accurate radon readings for a consumer product, supported by scientifically rigorous specifications and advanced spectroscopic technology.
Data Display and Connectivity
The app’s visual tracking of radon levels over time and personalized advice empower users to understand and act on their indoor air quality effectively.
Power Source
Battery life meets manufacturer claims with about two years of use before replacement is needed, ensuring low maintenance.
Size and Portability
The compact, battery-powered design is highly portable and easy to place in multiple rooms, supporting effective home-wide monitoring.

Top 10 Best Indoor Air Quality Monitors 2025 in the United States

#1

Winner

9.8 score

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

Sensors: PM2.5, CO2, VOCs, radon detector
Accuracy: Radon: After 7 days: σ ~ 10%
Data Display and Connectivity: WiFi, eInk display, Airthings app
Alerts and Notifications: valuable notifications
Power Source: Battery Powered
Size and Portability: 4"D x 4"W x 2"H, 360g

Chosen by 1309 this week

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

Sensors: PM 2.5, VOCs, CO, humidity, temperature
Accuracy: Temperature: ±1.0 °C, Humidity: ±10%
Data Display and Connectivity: LED indicator, Alexa app, Wi-Fi, BLE 4.2
Alerts and Notifications: Phone notifications, Echo announcements
Power Source: 5V micro-USB adapter
Size and Portability: 120 grams, 65x65x45mm

SAF Aranet4 Home: Wireless Indoor Air Quality Monitor for Office or School (CO2, Temperature, Humidity and More) Portable, Battery Powered, E-Ink Screen, App for Configuration & Data History

Sensors: NDIR sensor
Accuracy: Enhanced accuracy
Data Display and Connectivity: E-ink display, smartphone app
Alerts and Notifications: Color-coded display, buzzer alert
Power Source: 2 AA batteries, up to 4 years
Size and Portability: Compact, 0.94 x 2.76 x 2.76 in, 3.67 oz

Airthings 2911 Wave Plus, Black LTD Edition - Radon & Air Quality Monitor (CO2, VOC, Humidity, Temp, Pressure)

Sensors: radon, CO2, VOCs, humidity, temperature, pressure
Accuracy: +/-.5%
Data Display and Connectivity: color light, Bluetooth to Airthings app
Alerts and Notifications: Visual
Power Source: Battery Powered
Size and Portability: compact, portable, battery-powered

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

Sensors: Radon, CO2, TVOC, Temp, Humidity, Pressure
Accuracy: After 7 days: σ ~ 10% at 5 pCi/L
Data Display and Connectivity: Airthings app, Bluetooth
Power Source: Battery Powered
Size and Portability: 1.4"D x 4.75"W x 4.75"H, 0.48 lbs

Temtop M10+ Indoor Air Quality Monitor, 6-in-1 CO2, PM2.5, VOC Detection, Smart Temperature & Humidity Sensor, with App Connectivity for Home Air Quality Testing & Analysis

Sensors: CO2, PM2.5, VOCs, temperature, humidity
Accuracy: Accurate readings
Data Display and Connectivity: Temtop app, real-time monitoring, data analysis
Alerts and Notifications: Audible alarm, silent monitoring
Power Source: Battery Powered, 1 Lithium Metal battery
Size and Portability: 5.55 x 4.57 x 1.57 inches, portable

Temtop Air Quality Monitor PM2.5 PM10 Particle Counter, Formaldehyde, Temperature, Humidity, TVOC AQI Tester for Indoor/Outdoor Air Pollution Detection w/Data Export

Sensors: PM2.5, PM10, formaldehyde, temperature, humidity, AQI
Accuracy: reliable readings, optimization algorithm
Data Display and Connectivity: easy-to-read display, data export, histogram
Alerts and Notifications: Visual
Power Source: Battery Powered, 1 Lithium Ion battery
Size and Portability: 1.2"D x 2.6"W x 6.9"H, 1.01 Pounds

Temtop Air Quality Monitor Indoor Thermo-Hygrometer - PM2.5, AQI, Temperature, and Humidity Meter for Home, Office, or School, Air Quality Measurement, 60-Day Battery Life

Sensors: PM2.5, temperature, humidity
Accuracy: High accuracy with advanced sensors
Data Display and Connectivity: Real-time display, no Wi-Fi or Bluetooth
Alerts and Notifications: Color indicator bar for alerts
Power Source: Lithium-Polymer battery, 60-day life
Size and Portability: Compact, 2.7 x 2.7 x 3.5 inches

GoveeLife Smart Air Quality Monitor with PM2.5, WiFi, Temperature & Humidity Sensors, LED Display, 2s Refresh, 2-Year Data Storage, for Home & Office Wired

Sensors: PM2.5, temperature, humidity
Accuracy: PM2.5: ±15 µg/m³, Temp: ±0.54°F
Data Display and Connectivity: LED, Wi-Fi, Bluetooth
Alerts and Notifications: Audible alarm
Power Source: Type-C Powered
Size and Portability: 5.31 x 1.57 x 2.47 inches
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Buying Guide for the Best Indoor Air Quality Monitors

Choosing the right indoor air quality monitor is essential for ensuring a healthy living environment. These devices help you keep track of various pollutants and conditions in your home, allowing you to take action to improve air quality. When selecting an indoor air quality monitor, it's important to understand the key specifications and how they relate to your specific needs. Here are the main factors to consider when making your choice.
SensorsSensors are the core components of an air quality monitor, detecting various pollutants and environmental conditions. Common sensors include those for particulate matter (PM2.5 and PM10), volatile organic compounds (VOCs), carbon dioxide (CO2), carbon monoxide (CO), and humidity. The importance of each sensor depends on your specific concerns. For example, if you live in an area with high pollution, a monitor with PM2.5 and PM10 sensors is crucial. If you're worried about indoor chemicals, VOC sensors are important. Choose a monitor with sensors that match the pollutants you are most concerned about.
AccuracyAccuracy refers to how closely the monitor's readings match the actual air quality levels. This is important because inaccurate readings can lead to either unnecessary worry or a false sense of security. Accuracy can vary between models, so look for monitors that have been tested and validated by third-party organizations. For general home use, a monitor with good accuracy is sufficient, but if you need precise data for health reasons, consider a high-accuracy model.
Data Display and ConnectivityData display and connectivity determine how you access and interpret the information from your air quality monitor. Some monitors have built-in displays that show real-time data, while others connect to smartphones or computers via apps. Connectivity options can include Wi-Fi, Bluetooth, or even integration with smart home systems. If you prefer immediate, on-device feedback, choose a model with a clear display. For more detailed analysis and remote monitoring, look for models with robust app support and connectivity features.
Alerts and NotificationsAlerts and notifications help you stay informed about changes in your indoor air quality. Monitors can send alerts when pollutant levels exceed safe thresholds, allowing you to take timely action. The importance of this feature depends on how proactive you want to be about air quality management. If you want to be immediately notified of any issues, choose a monitor with customizable alerts and notifications. This is especially useful for households with vulnerable individuals, such as children or the elderly.
Power SourceThe power source of an air quality monitor affects its placement and convenience. Monitors can be battery-powered, plug-in, or rechargeable. Battery-powered models offer flexibility in placement but require regular battery changes. Plug-in models provide continuous operation without the need for battery replacements but are limited by the availability of power outlets. Rechargeable models offer a balance between the two. Choose a power source that fits your lifestyle and the locations where you plan to use the monitor.
Size and PortabilitySize and portability determine how easily you can move the monitor around your home or take it with you when traveling. Smaller, portable monitors are convenient for checking air quality in different rooms or on the go, while larger, stationary models may offer more features and better accuracy. Consider your need for mobility versus the desire for a more comprehensive monitoring solution. If you need to monitor multiple areas or travel frequently, a portable model is ideal. For continuous monitoring in a fixed location, a larger model may be more suitable.

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