The metro area could see a high level of fine particulate matter drifting down from Canada where 121 fires are burning in the ...

State officials from Maine to New York issued alerts for fine particulate matter, a toxic byproduct of wildfires that is ...

Juanita Shaw of Edwardsville has visited 43 of the U.S. states, including Alaska, and has also traveled to Canada on her ...

Six of the top ten areas in the US with the worst air quality Saturday morning are in New England, according to the ...

Most of the Lower Peninsula has good to moderate air quality on July 26. Nationally, the northeast has the nation's worst air quality this weekend, although the Great lakes area has large areas of ...

If it seems like there's been more smoke in Winnipeg's air in recent summers, that's not just your memory playing tricks on ...

A cloud of hot, magnetized plasma — a coronal mass ejection — erupted from the Sun on Wednesday, July 23, headed off into ...

Canadian wildfire smoke returns, bringing haze to Michigan. As of July 25, advisories are in effect for the U.P. and northern ...

"It is recommended that, when possible, you avoid strenuous outdoor activities, especially those with heart disease and ...

Regarding particle pollution, the EPA states that studies have linked exposure to a range of health effects, including ...

An air quality alert is in effect for nearly the entire state through Friday, but northern and central Minnesota will bear ...

In addition to a focus on its broad retail operation, Walmart keeps tabs on threats with its Global Security Operations ...