Weather

Photos: Wildfire Haze Blankets The U.S. Once Again

The Canadian wildfires continue to bring smokey haze far south into the United States. See photos of the haze blanket several cities.

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Tourists on Segways visit the Lincoln Memorial while the sky is hazy with smoke from wildfires in Canada, obscuring the view of the Capitol and other buildings along the National Mall almost completely past the Washington Monument on Thursday.
Tourists on Segways visit the Lincoln Memorial while the sky is hazy with smoke from wildfires in Canada, obscuring the view of the Capitol and other buildings along the National Mall almost completely past the Washington Monument on Thursday. (AP Photo/Jacquelyn Martin)

ACROSS AMERICA — Smoke from Canadian wildfires that so far have scorched nearly 19 million acres have triggered another round of air quality alerts as smoke from the blazes flows into the United States, obscuring the skyline of cities as far south as Chicago in a dystopian haze.

Much of the country was blanketed earlier this month with a thick haze . The smoke reappeared again this week, starting in Minnesota and spanned all the way down to Pennsylvania.

Air quality alerts were issued in several states, and citizens were warned to wear masks and be wary of spending too much time outside. On Wednesday, Chicago and Detroit had some of the worst air quality in the country.

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As the haze begins to clear up ahead of the holiday weekend, here's a look back at photos capturing the return of the thick smoke.

A person walks across the street under the Chicago's L train tracks as haze from Canadian wildfires lingers in the air. (AP Photo/Kiichiro Sato)
Smoke fills the sky reducing visibility Wednesday in Detroit. (AP Photo/Paul Sancya)
The Minneapolis skyline, as viewed from the Mississippi River, is enveloped in smoke. (Kerem Yücel/Minnesota Public Radio via AP)
Haze from Canadian wildfires surrounds the state Capitol in Harrisburg, Pennsylvania, on Thursday. (AP Photo/Matt Rourke)
Vehicles drive in a haze on Interstate 76 near Hershey, Pennsylvania, on Thursday. (AP Photo/Matt Rourke)
A man tosses a fishing net into the Ohio River as smoke from wildfires is visible over downtown Cincinnati. (AP Photo/Joshua A. Bickel)
A haze from Canadian wildfires lingers over Lake Michigan as the freighter Manitowoc docks Wednesday. (Don Campbell/The Herald-Palladium via AP)
Visitors at the Johnstown National Flood Memorial in St. Michael, Pennsylvania, spend time checking out the park. (Todd Berkey/The Tribune-Democrat via AP)
Haze from Canadian wildfires blankets the downtown Pittsburgh skyline as seen from West End Overlook in Elliott, Pennsylvania. (Benjamin B. Braun/Pittsburgh Post-Gazette via AP)
The sun sets, seen through drifting smoke from the Canadian wildfires, before a baseball game between the Chicago Cubs and the Philadelphia Phillies at Wrigley Field. (AP Photo/Charles Rex Arbogast)
A person sits near the Ohio River as smoke from wildfires is visible over downtown Cincinnati. (AP Photo/Joshua A. Bickel)
The Statue of Liberty and the hazy New York City skyline is seen from Bayonne, New Jersey, Thursday. (AP Photo/Seth Wenig)

The Associated Press contributed to this report.

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