In the U.S., wildfire smoke has reached states from Montana to Wisconsin but was especially heavy in Minnesota on Sunday.
"Fine particle levels are expected to reach the red air quality index (AQI) category, a level considered unhealthy for ...
Smoke from Canadian wildfires was predicted to spread across the state Sunday, prompting the Minnesota Pollution Control ...
As smoke from wildfires drifted south over the weekend, officials urged people to avoid prolonged exertion and to limit their ...
As wildfire season begins, smoke from active wildfires in Canada has reached the U.S., prompting air quality concerns and ...
Smoke from Canadian wildfires has prompted health warnings across the Upper Midwest for a second straight year.
Health officials in Minnesota and Wisconsin issued air quality warnings on Sunday after the smoke from wildfires raging in ...
DULUTH — Smoke from Canadian wildfires was predicted to spread across the state Sunday ... air quality around the Bemidji ...
Will it be another summer of hazy skies and air thick with the smell of smoke in Ohio? Maybe. Smoke from wildfires in Canada ...
As the threat of an active wildfire season looms, there are steps individuals can take to mitigate the effects of wildfire ...
This coverage is made possible through a partnership between IPR and Grist, a nonprofit environmental media organization.
Wildfire season is well underway in Canada, sending plumes of smoke southward across the U.S/Canadian border into the ...