Breathe easier The best home air quality monitors help you understand what is in the air you breathe every day. As wildfire smoke, vehicle emissions, seasonal pollutants, and household fumes become more common, monitoring indoor air quality can help you make informed decisions about ventilation, filtration, and overall home comfort.
Most air quality monitors measure PM2.5 particulate matter and provide an air quality index (AQI) reading. Many models also track carbon dioxide (CO2), volatile organic compounds (VOCs), temperature, and humidity. Together, these measurements provide a clearer picture of your indoor environment and can help you identify potential air quality problems.
Our top pick is the IQAir AirVisual Pro ($330). It measures several important air quality factors and features a bright, easy-to-read display. For shoppers on a budget, the Temtop S1 PM2.5 Air Quality Monitor and Room Thermometer ($28) delivered reliable results throughout long-term testing.
If you want more ways to improve your home’s air, explore our guides to the best outdoor air quality monitors, air purifiers, and multipurpose air purifiers. You can also learn how we test air purifiers and how to choose the right model for your space.
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Best Indoor Air Quality Monitor
The IQAir AirVisual Pro is an excellent indoor air quality monitor for people who want useful information at a glance. Its large 5-inch LCD screen uses visual graphics and an AQI color scale to make readings easy to understand from across the room. The display changes as air quality improves or worsens, so you can quickly tell when it may be time to increase ventilation or run an air purifier.
The AirVisual Pro also provides outdoor air quality information, allowing you to compare indoor and outdoor conditions without opening an app. It measures PM2.5 particulate matter and CO2, while also displaying temperature and humidity. Its companion app includes a simple dashboard and stores up to one year of data, making it useful for tracking trends over time.
The monitor’s greatest strength is its clear presentation. Whether you are cooking, cleaning, or dealing with wildfire smoke, the AirVisual Pro makes it easy to see how your indoor air changes in real time. —Lisa Wood Shapiro
Source: www.wired.com


