Wildfire smoke doesn’t just cloud the horizon, it can chemically change the air at ground level and in layers of the ...

This story was originally published by Grist with the headline As California burns, new research shows smoke is wildfire’s ...

Air quality has taken a serious hit across the United States as a two-fold blow of wildfires in the West and in Canada have ...

The Minnesota Pollution Control Agency (MPCA) has issued an AIR QUALITY ALERT for all of Minnesota until Tuesday morning.

Five years ago on Sunday, a wall of smoke erupted along Interstate 70 in Glenwood Canyon, marking the start of the largest ...

Canadians have pushed back against the criticisms. This week, Manitoba Premier Wab Kinew accused the Midwest lawmakers of ...

The National Weather Service says Canadian wildfire smoke will return to Michigan Monday. Residents in northern Michigan ...

More than half a dozen wildfires continued to burn across Colorado Monday morning, but firefighters have been able to get ...

A seasonable, but smoky air mass will bring about a nice start to the work week. Those who are sensitive to wildfire smoke ...

Several rounds of wildfire smoke have been moving into Denver, Boulder, Fort Collins and communities up and down the I-25 ...

Besides the smoke and isolated severe storm chances, Monday will be seasonable, with highs in the low-80s and lows in the ...

Wildfire smoke can cause eye and throat irritation, coughing, wheezing, and shortness of breath — even for healthy people. It ...