It expires on Friday at midnight, due to elevated levels of fine particulate (PM2.5), the Department of Environment, Great Lakes, and Energy said.

Air quality alert has been issued for parts of Nebraska and Iowa due to smoke from the Canadian wildfires. The alert will expire at 5 p.m. on Saturday for Nebraska and 8 a.m. on Sunday for Iowa. Areas of smoke and haze can be seen in the skies across eastern Nebraska and western Iowa.

Dense Wildfire Smoke from Canadian Fires will continue to bring Unhealthy Air Quality to the Twin Cities and surrounding areas Today into Saturday morning then Southerly Winds Aloft will push the Smoke back north Saturday afternoon and Air Quality will be much improved Saturday afternoon and Sunday.