Wildfires have forced another 1,000 people to flee their homes in the Canadian province of Manitoba, which is under a state of emergency

In the upper Midwest of the United States, Michigan, Wisconsin and Minnesota have issued air quality warnings as smoke from the Prairie wildfires is dragged south by a cold front. Those warnings expanded into the Northeast, causing some hazy skies.

The Canadian province of Manitoba has declared a state of emergency over a series of wildfires, and Prime Minister Mark Carney has agreed to send in the military to help.

Living in the Midwest means being affected by the Canadian wildfires that occur just about every year. Here is what to know about these wildfires and how they’re affecting the Midwest.

Online map tools and resources let you track the Canadian wildfires and monitor poor air-quality conditions, which are impacting US states.

Parts of central Pennsylvania are under a code orange air quality alert, but the Midwest is seeing bigger air quality problems.

Manitoba’s officials are giving an update at 12:45 p.m. on the wildfires burning out of control across the province, forcing thousands out of their homes.

The pictures shared by Ayers from the International Space Station (ISS) show the extent of the wildfires which has degraded air quality in the US as well. Air quality alerts have been issued in American states of New York, New Jersey, Iowa and New Hampshire due to winds blowing in from Manitoba and Saskatchewan provinces.