Smoke from Canadian wildfires is once again flowing into North Dakota, rekindling air quality concerns over the next few days.

Smoky skies and potentially unhealthy air are forecast to return to North Dakota this weekend, as wildfires once again rage across Canada.

It might be tempting to smoke all those stems that are gathering dust in your jar, but you may want to think twice before lighting up.

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Wildfires are forecast to expand through the summer in Western Canada and parts of the north.

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Much of the province’s north and eastern regions are under air quality warnings and advisories. Smoke poses a very high risk to health in the remote northern community of Buffalo Narrows and a ...