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

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air for at least the third day. Air quality alerts were in effect in Iowa, Minnesota, ...

Smoke from Canadian wildfires has drifted into the Midwest and northeastern US, causing hazy skies and prompting air quality ...

Smoke from widespread Canadian wildfires has spread into the US, particularly affecting the Midwest and Northeast, leading to ...

By Mitch Klein, Feven Gerezgiher and Juan Del Valle As result of severe wildfires in Canada, Minnesota is facing the longest air quality alert on record since the Minnesota Pollution Control Agency ...

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.

At the Minnesota Pollution Control Agency (MPCA), most of Minnesota was classified as having “moderate” air quality late ...

Dr. Dorothy Curran says fine particles in wildfire smoke especially affect sensitive groups, like kids with asthma or Chronic Obstructive Pulmonary Disease (COPD).

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