As winds shift back out of the south, the Canadian wildfire smoke blanketing the metro is expected to improve throughout the day on Sunday. However, some air quality issues will still persist, especially in northern Minnesota. An air quality alert remains in effect for all of Minnesota until 9 a.m. Monday.

After a break of a few weeks — thanks to some rain in Canada and favorable upper- and lower-level winds — the Canadian wildfire smoke is back with a vengeance. The air quality index is in the RED category (unhealthy for all),

KSTP FORECAST FIRST ALERT TODAY FOR TWIN CITIES/WESTERN WISCONSIN BECAUSE OF CANADIAN WILDFIRE SMOKE PRODUCING UNHEALTHY LEVELS OF SMOKE: Northwest Winds blowing over Minnesota and Wisconsin Today will bring significant amounts of Smoke from Canada Wildfires – people with Respiratory Illness should avoid long periods of time outdoors Today through Sunday morning and even Healthy

An air quality alert for northwest Minnesota has been extended to cover the entire state and run through Monday.

Canadian wildfire smoke will make for hazy skies through Sunday as the weekend comes to a close.A low pressure trough will push into the northern Great Lakes region through the end of the weekend resulting in northwest upper-air flow out of Canada.

Six Republican members of Congress – four of them from Minnesota – have called on Canada to impose 'better forest management.'

An air quality alert is in place for the entire state of Minnesota through 9 a.m. Monday. Northern Minnesota falls in the very unhealthy AQI category.

Six members of Congress from Wisconsin and Minnesota have asked Canada to say how it plans to tackle the blazes and reduce the haze billowing south.