Going for runs, bike rides or walks when there’s heavy smoke from wildfires can put you at risk. When air quality worsens, ...

Smoke tied to ongoing wildfires in Canada is again expected to affect air quality levels in parts of Nebraska.

The Illinois Environmental Protection Agency issued an Air Pollution Action Day for the Chicago Metropolitan area for June 5.

An air quality index of 300 or higher is considered hazardous, and the record-breaking smoke AQI in Grand Portage reached 800 ...

Plumes of smoke are blanketing large swaths of the U.S. and parts of Europe, presenting risks for those breathing it. The ...

Canada is having another bad wildfire season, and more than 27,000 people in three provinces have been forced to evacuate.

Iowans — especially those with heart and lung disease — should avoid long or intense activities and take extra breaks during strenuous activity outdoors in areas where air quality is rated unhealthy.

Smoke from Canadian wildfires and the Saharan dust storm are expected to bring hazy skies across South Carolina this week.

Central Chippewa, along with counties such as Charlevoix and Antrim, has been classed as "moderate"—between 51 and 100 on the ...

An Air Quality Health Advisory has been issued for New York City for Wednesday, according to the New York State Department ...

Daniel Craighead, an assistant professor in the School of Kinesiology at the University of Minnesota, weighs in ...

Residents living across a huge area spanning three states have been warned of dangerous air pollution levels on Tuesday.