Having An air quality monitor for your home is more important than you may think. As climate change speeds up and wildfires increasingly engulf large swaths of land, leaving behind smoke that makes air potentially hazardous to breathe, it's more important than ever to ensure you're breathing clean air. An at-home air quality monitor is a simple way to ensure that, whether it be car exhaust, wildfire smoke, pollutants from seasonal changes, or simply fumes from your gas stove, the air around you is safe to breathe.
These air quality monitors test the air quality both indoors and outdoors, and on top of measuring PM2.5 (particulate matter) in the air and AQI (air quality index), they can also give insights into the air you're breathing, including measuring temperature, humidity, CO 2 , VOCs, and more.
Our top pick, IQAir's Air Visual Pro ($330), measures for several factors and has an easy-to-read display, while our more basic budget pick, Temptop S1 PM2.5 Air Quality Monitor & Indoor Thermometer ($28), has been solid throughout prolonged testing.
For more ways to keep your air quality in check for a healthier environment, take a look at our guides to the Best Outdoor Air Quality Monitors, Best Air Purifiers, and Best Multiuse Air Purifiers. Plus, check out how we test them and how to pick the right air purifier for your home.
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Best Indoor Air Quality Monitor
Photograph: Lisa Wood Shapiro Save to wishlist Save to wishlist IQAir AirVisual Pro Indoor Monitor $300 Amazon $330 IQAir $330 Best Buy WIRED/TIRED AccordionItemContainerButton LargeChevron WIRED Easy-read LCD display screen
Visual graphics
Gives both indoor and outdoor air quality data TIRED No crowdsourced AQI map