Prepare for poor air quality from Canadian wildfire smoke and rising temperatures today, with rain and thunderstorms expected to return midweek.

Here are three health effects to keep an eye on when Canadian wildfire smoke overtakes the area: According to Northeast Allergy Asthma and Immunology, the relationship between air quality and allergies is a critical concern for many individuals, especially those with respiratory sensitivities.

Unhealthy air has invaded Minnesota, Wisconsin and North Dakota early this week as a new round of wildfire smoke from Canada has wafted into the region, choking out areas as far south as Chicago and Detroit.