10 Best Home Air Quality Monitors 2025 in the United States

The Amazon Smart Air Quality Monitor is designed to help you understand and keep track of indoor air quality. It measures five key factors: particulate matter (PM 2.5), volatile organic compounds (VOCs), carbon monoxide (CO), humidity, and temperature. The device offers a color-coded LED indicator for quick air quality status checks and provides detailed information through the Alexa app. Notifications and routines can be set up for proactive air quality management, including controlling other Alexa-enabled devices like air purifiers and fans. This integration makes it particularly useful for those already using Amazon's ecosystem.

The Airthings 325 Corentium Home 2 is a dedicated radon detector designed specifically to help you monitor radon gas levels in your home, which is important because radon is a harmful, cancer-causing gas you can't see or smell. It uses proven, accurate radon sensing technology trusted by professionals, ensuring you get reliable readings over time. One of its strengths is the Bluetooth connectivity, allowing you to view detailed radon trends through a smartphone app. This app also displays temperature and humidity data, giving a fuller picture of your indoor environment. The visual alarm feature alerts you if radon levels rise too high, adding an extra safety layer.

The Airthings 2960 View Plus is a comprehensive home air quality monitor that excels in detecting a wide range of pollutants including radon, PM2.5, CO2, VOCs, humidity, temperature, and air pressure. This extensive detection capability makes it a strong candidate for anyone looking to monitor multiple aspects of indoor air quality, particularly those concerned about radon exposure. The device uses electrochemical sensors known for their accuracy, enhancing its reliability in providing precise readings.