Wildfire smoke forecast for Saturday afternoon from the HRRR weather model. ( Ian Livingston/The Washington Post) Comment on this story After a short reprieve from wildfire smoke in much of the Lower 48 states, the next outburst from Canada will pour into the Upper Midwest into the weekend, compromising air quality.

Thick smoke from the fires is degrading air quality in multiple Canadian provinces. And a cold front is pushing it southward past the international border and into the Northern Plains and Great Lakes region.

Wildfire smoke and air quality on your health(Getty Images/Nova Scotia Government)Wildfire smoke can travel great distances […]

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