Wildfire smoke from Canada is blanketing the skies in the Midwest, leaving millions with dangerous breathing conditions.

The Iowa Department of Natural Resources reported Friday that air quality in Iowa will be at levels “unhealthy for sensitive groups” through Saturday, due to smoke from wildfires in Canada. The National Ambient Air Quality Standards advise that fine particulate matter should not exceed averages of 35 micrograms per cubic meter in a 24-hour period.

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, according to meteorologists.

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the U.S. Midwest and worsening air quality there. On August 1 conditions are particularly bad in Minnesota, Iowa and Illinois.

Air quality alerts remain in effect through this evening as wildfire smoke from Canada continues to settle across the area. While there may be some improvement near the surface this afternoon, it will still appear hazy for much of the day.

With Canadian wildfire smoke still lingering in the region, an air quality alert remains in effect for all of iowa until midnight saturday.The smoke moved in th

Wildfires from Canada have brought smoke into the air in Kansas, causing the KDHE to issue a air quality health advisory.

Meanwhile, the Midwest is getting blanketed in wildfire smoke from Canada, leaving millions under dangerous breathing conditions as more than 650 wildfires are burning in Canada, with 275 labeled as “out of control.