Wildfires expose millions in the Midwest and Northeast US to dangerous smoke
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Heavy smoke from several large wildfires blazing in Canada and Minnesota is expected to engulf large swaths of the Midwest and Northeast U.S. this week, exposing millions of people to dangerous air pollution
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Signage near the Minnesota Department of Natural Rey, July 14, 2026. (Anthony Soufflé/Minnesota Star Tribune
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A law enforcement vehicle blocks off a road leading to the Fall Lake entry point, Tuesday, July 14, 2026, near Ely, Minn. (Anthony Soufflé/Minnesota Star Tribune
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Heavy smoke from several large wildfires blazing in Canada and Minnesota is expected to engulf large swaths of the Midwest and Northeast U.S. this week, exposing millions of people to dangerous air pollution
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Signage near the Minnesota Department of Natural Rey, July 14, 2026. (Anthony Soufflé/Minnesota Star Tribune
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Signage near the Minnesota Department of Natural Rey, July 14, 2026. (Anthony Soufflé/Minnesota Star Tribune
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A law enforcement vehicle blocks off a road leading to the Fall Lake entry point, Tuesday, July 14, 2026, near Ely, Minn. (Anthony Soufflé/Minnesota Star Tribune
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A law enforcement vehicle blocks off a road leading to the Fall Lake entry point, Tuesday, July 14, 2026, near Ely, Minn. (Anthony Soufflé/Minnesota Star Tribune
By
DORANY PINEDA and JACQUELINE GANUN
Updated [hour]:[minute] [AMPM] [timezone], [monthFull] [day], [year]
Heavy smoke from several large wildfires blazing in Canada and Minnesota is expected to engulf large swaths of the Midwest and Northeast U.S. this week, exposing millions of people to dangerous air pollution
Minnesota officials issued an air quality alert from Tuesday through Friday for areas including the Twin Cities metro area, Alexandria and Two Harbors, with very heavy smoke expected across the state’s northeastern corner as large wildfires spread. Air quality levels in Two Harbors, the Tribal Nation of Grand Portage and other regions in northeast Minnesota were expected to reach hazardous levels, making it unsafe for everyone
Dan Westervelt, associate professor at Columbia University’s Climate School, said severe drought conditions combined with heat in Canada and the U.S. have created “a perfect storm for really dry conditions to provide a lot of fuel for these wildfires to burn.” Research shows warming temperatures from burning coal, oil and gas are making fires more frequent and intense
People should stay indoors as much as possible to avoid the extreme heat, especially as smoke moves in, said Tyler Hasenstein, meteorologist with the National Weather Service in Chanhassen, Minnesota
“Those two things coinciding with each other is not good from a health perspective,” he said
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Officials in Michigan and Wisconsin warned residents Tuesday about air quality issues that could last for days. High levels of fine particulate matter in the air from wildfire smoke may be unhealthy for sensitive groups, such as children and people with heart or lung conditions
In parts of Maine, residents were reporting a yellowish and brownish color in the sky. “There is plenty of smoke upstream, so expect periods of hazy skies over the next day before the cold front pushes through,” the National Weather Service in Gray, Maine, said on social media Tuesday
Multiple counties in western and central New York were under an air quality advisory Wednesday until midnight. The most intense smoke could spread as far south as Washington, D.C., by midday Thursday, Hasenstein said
Fine particle pollution from wildfire smoke can cause shortness of breath, coughing, dizziness or fatigue and aggravate heart and lung diseases and other chronic health issues. Experts suggest reducing or eliminating outdoor activities, wearing a N95 mask if you have to be outside and keeping your indoor air cleaner by closing windows and running an air purifier or air conditioner. Long term, exposure to fine particulate matter from wildfire smoke is one of the leading causes of premature death.
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DORANY PINEDA
