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Smoke from Canadian fires is pouring into the U.S. and could linger for days

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Smoke from wildfires in Canada is moving into parts of the central U.S. and could linger in the days ahead, health and weather officials warned Thursday.

Air quality alerts have been posted as of early Friday across several states, including Nebraska, Washington, Montana, Minnesota and Wisconsin, with a special weather statement about air quality in Wyoming.

The heaviest smoke concentrations should shift further east into the Midwest later in the day, affecting major metro areas including Chicago, Minneapolis and St. Louis.

Canada has had an especially active start to the fire season. Last week, devastating wildfires in Alberta had burned more than 150 times more area in that province than in the last five years combined by the same point in the year, CNN has reported.

In Nebraska, 鈥淐anadian wildfire smoke is going to move through the area today through tomorrow morning, resulting in potentially dangerous air quality and poor visibility across eastern Nebraska and Iowa. Limit outdoor activities if possible when the air quality is poor!鈥 the National Weather Service in Omaha tweeted Thursday.

Wildfire smoke 鈥渋s beginning to move into the Lincoln and Omaha metro areas,鈥 the service鈥檚 Omaha office said Thursday afternoon. 鈥淰isibility should drop to 1-2 miles within the next couple of hours and air quality will go into the unhealthy range for sensitive groups.鈥

In eastern Nebraska鈥檚 Douglas County 鈥 which includes Omaha 鈥 the health department warned smoke could remain through Saturday.

The U.S. Environmental Protection Agency鈥檚 Air Quality Index indicated parts of the Rockies, the Great Plains and the Midwest, including the Nebraska Panhandle and northeast corner of the state, had 鈥渧ery unhealthy鈥 air quality early Friday.

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