Indoor air can be three to five times more polluted than outdoor air, according to the U.S. Environmental Protection Agency, which also notes that most people spend 90 percent of their time indoors.

We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Household pollutants can come from a variety of sources including the materials used in ...

HOUSTON – If you live in the Houston area, you might have noticed that air quality alerts are issued throughout the year by the U.S. Air Quality Index (AQI). The AQI is divided into six categories, ...

Since I first started reviewing air purifiers for WIRED in 2018, I’ve tested dozens and dozens of the health-protecting appliances, usually for months at a time. I started out looking into how to ...

Residents can monitor air quality through resources like the MiAir Quality Index Dashboard and AirNow. The Air Quality Index (AQI) uses a color-coded system to inform the public about air quality ...

In a world of increasing wildfires and invisible irritants, we consulted with experts to explain why and how to measure air quality in your home and take steps to correct it. By Terri Williams ...