Milwaukee, Ozaukee, Racine, Kenosha and Sheboygan are all under a poor air quality alert from noon to 11 p.m., according to ...

Officials have issued an air quality alert for around 10 million Americans, telling them to minimize outdoor activities and ...

After years of complaints and legal battles from members of the surrounding community, Colorado’s Rocky Mountain Metropolitan ...

The $8 million federally funded project is a part of the larger effort to clean up the most polluted and degraded sites in the Great Lakes.

The Rochester area is still having some air quality concerns on Tuesday because of smoke from Canadian wildfires.

The alert comes as humidity is expected to increase Tuesday, with high temperatures in the mid 80s to low 90s, with heat indices reaching 100 by Wednesday.

Treating drinking water to tackle multiple pollutants could prevent more than 50,000 cancer cases in the U.S., a new study ...

Northern Minnesota and northern Wisconsin remain under an Air Quality Alert Monday due to wildfire smoke. Conditions are ...