At least 100 fires remain out of control as smoke from blazes in Ontario and other regions spreads across the Great Lakes, Midwest and Northeast, reducing air quality and creating dramatic conditions across parts of Canada.
By yourNEWS Media Newsroom
More than 830 wildfires are burning across Canada, sending dense smoke into portions of the northeastern United States and creating dangerous conditions near some of the most active fires.
At least 100 of the fires were classified as out of control as of Wednesday, according to a Canadian wildfire tracker.
Many of the fires contributing to air quality concerns in the United States are burning in Ontario, Canada, as well as Minnesota and surrounding areas, according to AccuWeather and Canadian wildfire mapping data.
Smoke has traveled across the Great Lakes and is expected to continue moving toward New Jersey and other parts of the Northeast.
“Many of the wildfires affecting air quality concerns in the Northeast are burning in Ontario, Canada, as well as Minnesota and nearby regions,” USA Today reported Wednesday. “Smoke from those fires has spread across the Great Lakes and is forecasted to move toward New Jersey and the Northeast.”
The widespread smoke has reduced visibility and affected air quality in communities far from the flames. Conditions have been particularly severe in Ontario, which has emerged as the province most heavily affected by the current outbreak.
Images and videos posted from fire-stricken areas of Ontario showed intense flames and massive smoke plumes surrounding roads, forests and communities.
A train crew reportedly survived after its train became engulfed by fire.
Other footage showed skies turning deep red as smoke and flames transformed daylight conditions near the fires.
The rapid spread of the flames reportedly left some residents with little time to evacuate.
Farther south, Toronto took on an orange appearance as smoke settled over the city.
The current fire season follows several previous summers in which large Canadian wildfires sent smoke into the United States. The causes of individual fires vary, and some earlier incidents were attributed to human activity, including confirmed cases of arson.
Alberta officials said in April 2024 that nearly all of the wildfires the province had experienced at that stage of the season were believed to have been caused by people rather than natural sources.
During an Edmonton news conference, Alberta Forestry and Parks Minister Todd Loewen said seasonal conditions and the timing of the fires pointed to human causes.
“We expect that almost all of the wildfires we’ve experienced so far this year are human caused, given the point we’re at in the season and the types of weather we’re seeing,” Loewen said in 2024.
Alberta Premier Danielle Smith similarly said in August 2023 that approximately 500 of the province’s 650 wildfires had been started by people rather than climate change.
Canadian media and other organizations have also linked worsening wildfire conditions to climate change, pointing to hotter temperatures, dry vegetation and longer fire seasons as factors that can increase the severity and spread of fires after they ignite.
The origin of the more than 830 fires currently burning across Canada has not been established as a single cause. Authorities generally investigate wildfires individually to determine whether they began through lightning, accidents, deliberate actions or other circumstances.
The immediate concern for the United States is the movement of smoke south and east from Canada and fires burning closer to the border.
Wildfire smoke contains small particles that can travel hundreds or thousands of miles. Those particles can irritate the eyes and respiratory system and present greater risks for children, older adults and people with heart or lung conditions.
Conditions are expected to gradually improve across parts of the United States later in the week as winds shift and smoke disperses.
“Air quality conditions are expected to gradually improve across parts of the U.S. as wildfire smoke shifts and disperses,” USA Today reported. “Some areas of the Midwest and Great Lakes could see relief by Friday, while smoke may continue affecting parts of the Northeast into Friday and Saturday.”
Communities near the Canadian fires could continue experiencing smoke through the weekend if the fires remain active and prevailing winds carry additional pollution south.
“Communities near the Canadian fires could see lingering impacts into the weekend as long as fires continue burning and winds keep transporting smoke south,” the report stated.
The longer-term outlook remains uncertain because the behavior of the fires will depend on wind, rainfall, temperature, available vegetation and the success of firefighting operations.
Additional fires could also emerge as Canada moves through the height of its summer wildfire season.
For now, more than 830 active fires continue to burn across the country, including approximately 100 that remain uncontrolled, while smoke spreads across Canada and large portions of the northern and northeastern United States.
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