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Canada fires prompt US air quality alerts as smoke blankets major cities 52%
By Chris Fawkes - BBC Weather0% Rachel Flynn0% Nadine Yousif - Senior Canada reporter0%
7/17/2026, 12:11:09 AM
BS Summary: This article contains 30 faulty reasoning types, including Anecdotal, Appeal to Authority, and Availability Heuristic, with Negativity Bias as the most egregious example at 24% saturation with 235 hits. Analysis detected 1,720 faulty-reasoning hits from 979 analyzed words, generating a BS Score of 51.2% and a BS Rank of 52% (10,573 of 21,887 articles). This article is worse (more manipulative) than 51.70% of the article peer group.
More than 800 wildfires are burning across Canada, with air quality alerts now extending south into multiple US states.
A thick blanket of smoke clouded skylines from Detroit and Toronto to New York and across New England, causing "hazardous" air quality alerts across much of the region.
Many outdoor events were cancelled as officials urged for people to stay indoors, stressing the dangerous health ramifications of inhaling the fumes.
In Canada, one fire in northern Ontario forced residents from local First Nations to evacuate, with one chief saying that her community has been "burnt to ashes".
'You can taste the smoke': New Yorkers on air quality as fires burn across Canada
Hazardous air quality alerts have been issued in cities, including Chicago and Grand Rapids in Michigan, Pittsburgh in Pennsylvania and Toledo in Ohio, according to the US Air Quality Index program.
Many outdoor activities were cancelled on Thursday, including events for children's summer camps, and beaches were shuttered along popular lakes.
An outdoor concert for the rock group The Black Keys was being rescheduled in Chicago due to the dangerous air quality.
There are currently 858 fires actively burning in Canada, including 30 new fires that sparked on Thursday, according to the Canadian Wildland Fire Information System.
The vast majority are burning out of control.
The large cluster of fires affecting northwestern areas of Ontario are responsible for sending thick plumes of smoke and poor air quality across Thunder Bay and Toronto, with lower concentrations of smoke high in the atmosphere drifting over the Great Lakes and above New York with hazy skies.
The far-reaching impacts of wildfire smoke – and how to protect yourself
"We're in a very serious health situation right now," New York Governor Kathy Hochul said in an announcement on Thursday.
She noted thick smoke was "blanketing" much of the state, making it "very unhealthy to be outdoors" in many areas.
"This is bad news for every New Yorker," she said.
"There will be great impacts."
In western regions of New York state, the air quality on Thursday is considered "very unhealthy", while in the New York City metro area the air quality is "unhealthy".
Many across the city - the most populous across the US - were wearing masks over their mouths and nose hoping to protect themselves.
A thick haze of smoke blocked views across the city of sights including the Empire State Building and the Statue of Liberty.
New York has extended its heat emergency plans and activated its air quality emergency protocols - with hundreds of cooling centres and KN95 masks being made available citywide.
How bad are Canadian and US wildfires, and what is the air quality risk?
In Ontario, there will be quite widespread thunderstorms over the next few days, but the rain may not be enough to make much of a difference.
Northwesterly winds will continue to blow the smoke into northern US states for the rest of this week and into the weekend, leading to concerns smoke will drift into New Jersey where Sunday's World Cup final is due to take place.
A change in the wind direction by Monday means that the smoke will tend to be steered across Quebec with an improvement in air quality further south in the US.
Air quality in the Midwestern city of Detroit is currently the worst in the world, Swiss air quality tracker IQAir said, followed by Minneapolis, Chicago and Toronto.
Republican lawmakers in the state of Michigan have penned an open letter to Canadian Prime Minister Mark Carney asking for better management of the country's wildfires, expressing frustration for a third year in a row.
"A year has passed, the season has come around again, and nothing has changed except that our patience has run out," said the letter, signed by four state House representatives.
Pete Hoekstra, the US ambassador to Canada, struck a more diplomatic tone in a statement on Wednesday commending wildfire fighting efforts from both countries.
Wildfires are a part of the natural life cycle of Canada's vast boreal forest, but they have become more frequent since 2015, said Laura Chasmer, a professor of geography and the environment at the University of Western Ontario.
"This is associated with some of the extreme climate warming that we've been seeing, and the atmospheric drying of the surface," she said.
Dramatic video shows wildfire surround freight train in Canada
Fires in the past burned more frequently in western Canada, but recent years have seen that trend migrate eastward, with large fires now burning in Ontario, Quebec and Atlantic provinces, Chasmer said, leading to more noticeable smoke in densely populated cities like Toronto and New York.
She added that this has strained firefighting efforts in Canada, whose primary focus is to ensure the flames don't spread to nearby towns.
Putting out the fires completely is "very difficult", Chasmer noted, due to their scope and intensity.
Responding to the criticism from US lawmakers, Carney said on Thursday that both countries have a responsibility to fight climate change.
He added his government is "in close communication" with provinces and local communities.
Meanwhile, Ontario Premier Doug Ford dismissed criticism of his government's handling of the fires, noting that over 150 fire crews are on the ground battling the blaze.
"We will spend whatever it takes," Ford said.
In addition to the hazardous smoke, the wildfires in northern Ontario have forced dozens from local First Nations communities to evacuate, with videos showing some fleeing the remote area by boat.
Namaygoosisagagun First Nation Chief Helen Paavola told local news outlet CityNews in an interview that an aerial flyover showed that her community has been "burnt to ashes".
"All the homes are gone," she said on Thursday.
"There's nothing left."
America's blame game over Canada's wildfire smoke misses the point, experts say
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