Seven Michigan Republicans in Congress want Canada to contain and prevent future wildfires, noting it's the third summer smoke has disrupted vacations

It’s not fog. Wildfires burning hundreds of miles away in Canada are sending plumes of smoke all over the American Midwest, and that smoke makes breathing hard and sometimes affects our health in untold ways. We know breathing wildfire smoke near the source is harmful, but there’s still uncertainty about what happens as the smoke travels.

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast into Tuesday. At least 738 wildfires are currently burning in Canada, with at least 201 out of control,