National Weather Service officials issued an air quality alert set to expire at midnight Saturday for the Chicago and ...

Minneapolis faced severely degraded air quality, ranking among the worst globally due to smoke drifting from Canadian ...

Notably, there are also fire weather concerns for parts of Hawaii, specifically the leeward portions of all Hawaiian Islands ...

Two Northwest Indiana community groups have joined EarthJustice to challenge the Environmental Protection Agency’s actions to delay air pollution compliance in steel mills.

Smoke from Canadian wildfires continues to choke the skies over the Upper Midwest this weekend, with the milky haze even starting to spread south into the Ohio and central Mississippi valleys -- and ...