Over several months, three health and smart home experts monitored air quality in different locations. This is what surprised us.

Columbus' air quality worsened due to Canadian wildfire smoke drifting over the city, turning the air unhealthy for sensitive groups, according to AirNow.gov. The city's air quality index (AQI) score ...

In the time it takes to type this sentence, I will have taken three breaths. Twelve in a minute, 20,000 a day, 7.5 million a year, most of them indoors. Yet until quite recently, researchers have not ...

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 ...

MICHIGAN, USA — The past several days have been smoky and hazy due to Canadian wildfires. These fires have created smoke plumes that have traveled thousands of miles and impacted air quality across ...

The NJDEP declared Feb. 18 an Air Quality Action Day for particulate matter in New Jersey. Here's what you need to know.

Smoke from raging Canadian wildfires is once again worsening air quality in some U.S. states. Parts of the Dakotas, Minnesota, Wisconsin, Illinois, Indiana, Ohio and other states were all experiencing ...

ST. PAUL — Many Minnesotans look forward to walks and runs in the state’s parks and trails this time of year, but wildfires in Canada have meant smoky skies over the past few days. The Minnesota ...

Air quality in Los Angeles has improved as the Palisades and Eaton wildfires get under control. But as the fires burned through houses, cars and industrial areas, they spewed out vast amounts of smoke ...