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10 Best Indoor Air Quality Monitors 2025 in the United States
#1
Winner
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
10.0
Chosen by1,420
Sensors
Accuracy
Data Display and Connectivity
Most important from
1732 reviews
#2
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
The SAF Aranet4 Home is a portable indoor air quality monitor that excels in providing real-time data on CO2 levels, temperature, and humidity. It uses advanced NDIR sensor technology, which enhances its measurement accuracy, making it a reliable choice for anyone wanting to improve their indoor air quality. The e-ink display is a standout feature, offering excellent visibility of important data while being energy-efficient. With a battery life of up to four years, you won't need to worry about constant recharging or replacing batteries often. This monitor is particularly user-friendly, with a color-coded display and an optional buzzer alert that notifies you when CO2 levels become concerning. The accompanying smartphone app adds significant value, allowing users to access and analyze historical data over the last 90 days with ease, aided by helpful graphs. This makes it ideal for individuals and organizations aiming to maintain healthy indoor environments, such as schools and offices.
Rating
8.2
Sensors
Data Display and Connectivity
Power Source
Most important from
1717 reviews
#3
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 indoor air quality monitor designed to track multiple factors that affect your home environment, including carbon dioxide (CO2), volatile organic compounds (VOCs), humidity, temperature, air pressure, noise, and light. This broad range of sensors helps you understand air quality in bedrooms or home offices, where poor ventilation might impact sleep or concentration. It offers reasonably accurate CO2 readings with a margin of error of about ±50 ppm and ±5%, which is good for typical home use. The device connects via Bluetooth to a free app, where you can see current air quality levels, receive notifications, and review trends over time.
Rating
8.2
Accuracy
Data Display and Connectivity
Alerts and Notifications
Most important from
1732 reviews
Top 10 Best Indoor Air Quality Monitors 2025 in the United States
#1
Winner
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)
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 1420 this week
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
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 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
Sensors: CO2, VOCs, humidity, temperature, pressure, noise, light
Accuracy: ±50 ppm ±5%
Data Display and Connectivity: Bluetooth app: levels, notifications, trends, pollen
Alerts and Notifications: notifications via app
Power Source: Battery, 2 AA included
Size and Portability: 4"D x 4"W x 1.99"H, small, home use
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
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
Sensors: High-precision laser and NDIR sensors
Data Display and Connectivity: Wi-Fi to app with graphs, readings
Alerts and Notifications: Alerts via app remotely
Power Source: Corded electric, rechargeable battery
Size and Portability: 1.4"D x 2.8"W x 3.3"H, 4 oz
Amazon Smart Air Quality Monitor – Know your air, Works with Alexa
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
Related Products
Up to 20% off
Qingping Air Quality Monitor Gen 2, Air Quality Monitor Indoor Detects PM2.5, CO2, PM10, Noise, Temperature and Humidity, New Upgraded Alarm Clock Function, Air Quality Tester for Bedroom, Smart Home
Qingping Air Quality Monitor Gen 2, Air Quality Monitor Indoor Detects PM2.5, CO2, PM10, Noise, Temperature and Humidity, New Upgraded Alarm Clock Function, Air Quality Tester for Bedroom, Smart Home
Sensors: Photoelectric; measures PM2.5, CO2, temp
Data Display and Connectivity: 4-inch touchscreen; Wi-Fi 2.4/5GHz; app
Alerts and Notifications: alarm clock feature
Power Source: Battery; 1 Li-ion; 3h life; USB
Size and Portability: 5.71x4.72x3.22 in; 1.17 lbs; compact
Temtop Air Quality Monitor PM2.5 PM10 Particle Counter, Formaldehyde, Temperature, Humidity, TVOC AQI Tester for Indoor/Outdoor Air Pollution Detection w/Data Export
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
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
Sensors: radon detector
Data Display and Connectivity: Bluetooth, smartphone, tablet
Alerts and Notifications: Visual
Power Source: Battery, 2 AA alkaline included
Size and Portability: 1.14"D x 2.4"W x 4.45"H
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)
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
#10
Temtop Advanced Air Quality Monitor for CO2, PM2.5, PM10, with Audio Alarm, Temp & Humidity Insights, Plus Data Export for in-Depth Analysis, M2000C 2ND
Temtop Advanced Air Quality Monitor for CO2, PM2.5, PM10, with Audio Alarm, Temp & Humidity Insights, Plus Data Export for in-Depth Analysis, M2000C 2ND
Sensors: NDIR
Accuracy: High
Data Display and Connectivity: TFT display, USB export
Alerts and Notifications: Audible alarm
Power Source: Battery, 1 Lithium Ion included
Size and Portability: 2.89 x 1.48 x 8.8 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.