Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air for at ...

Poor air quality from the Canadian wildfires remains a concern Tuesday for much of the Upper Midwest and the Northeast ...

Every air quality monitor in Minnesota is reporting red or unhealthy conditions for everyone, an official said.

A group of firefighters with the Minnesota Department of Natural Resources (DNR) recently returned from Canada after ...

An air quality alert covering the entire state of Minnesota continues on Thursday, marring otherwise fairly ideal weather ...

The elevated levels of fine particulate matter resulting from wildfire smoke could present significant health risks.

An air quality alert will be in effect across the entire state until 5 p.m. Aug. 2, according to the Minnesota Pollution ...

Summer smoke from Canadian wildfires is once again hazing out Minnesota skies — just in time for your long-awaited Northwoods ...

Democratic U.S. Sen. Tammy Baldwin dismissed an idea from Republican Rep. Tom Tiffany this week to push President Trump to ...

The Canadian Wildfire Smoke that has been Unhealthy and Dense at times since last Wednesday has been pushed north and east of ...

From the column: "As Stauber ... (has) to be well aware, the ever-increasing prevalence of wildfires, both in Canada and the ...