In letters expressing outrage and indignation, Republican lawmakers are demanding more forest thinning, prescribed burns and ...

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast ...

Smoke produced by hundreds of wildfires burning across Canada has drifted thousands of miles and nearly circled the entire ...

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the U.S. Midwest and worsening air quality there. On August 1 conditions are particularly bad in Minnesota ...

Canadian wildfire smoke brings poor air quality to Midwest as flood threat looms in Carolinas Minneapolis, Chicago and Detroit rank in the top 10 for worst air qualities.

The Midwest saw some of the worst air quality conditions in the world Thursday, and similar conditions are expected to persist for several days.

Strongly worded statements and letters from Republican U.S. lawmakers say Canada has done too little to contain wildfires and ...

Canadian wildfire smoke will continue to impact Wisconsin's surface air quality over the next several days. The current advisory in effect statewide until noon on Thursday, July 31 has been ...

Canadian wildfire smoke is lingering in Maine. Here’s what you should know before heading outside. While alerts have been downgraded from 'unhealthy for sensitive groups' to 'moderate,' the air ...

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