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Why are parts of North America covered in smoke from wildfires in Canada?

In recent years, orange-hued skylines, smoke from wildfires and scorched forests have become commonplaces in North America as global warming has contributed to "massive forestfires". Many of these fires are located in northern Canada which is home to some the largest, intact forests on earth.

Canada has more active wildfires now than in the previous two years. The area that has been burned this year is also greater than the 10-year average.

Here are some facts regarding the recent smoke and wildfires.

Why does Canada have so many wildfires? Canada is the second largest country in the world based on area. It has nearly one tenth the total forest land and 24% of all boreal forests. Many are not accessible by road, and many of them have no inhabitants.

Forest fires are an important part of nature that helps to eliminate pests and unhealthy shrubbery. In recent years the size and intensity have increased.

Climate change is causing temperatures to rise, resulting in drier forest. Fires spread more quickly in drier forests. Lightning or campfires can start fires in populated areas.

Mike Flannigan is a professor at Thompson Rivers University, British Columbia. He is a wildland fire expert. He said that warmer temperatures have extended the wildfire season and more lightning has also caused fires.

Climate scientist Andrew Dessler is a professor of atmosphere sciences at Texas A&M College of Arts and Sciences. He said that the Canadian fires are burning in forests that have been largely left unmanaged for the last 100 years.

He also said that higher temperatures in Canada were causing larger, more intense fires. Climate change is the main reason why this has a major impact on the U.S. at the moment. "Nothing else has changed," said he.

What happened this week? Smoke follows the wind as fires grow and forest areas are scorched. Toronto, New York and Washington were affected by the worst air quality in the world earlier this week due to fires burning in northern and Western Ontario and northern Minnesota. Detroit and Chicago had the worst air quality in the world by Friday.

Can the fire be stopped?

Although some fires cannot be avoided, the government tries to protect communities through the closing of forest areas, the use of non-flammable materials in high-risk places, and better preparation.

What has Canada done so far? The federal government has increased funding to fight wildfires. This includes C$316.7 ($227 millions) over a five-year period for aerial firefighting capability and C$47.8 for Parks Canada's National Fire Management Program. Ontario spent C$271 millions on emergency firefighting, surpassing its budget of C$135millions in 2025-26. The budget for 2026-2027 is C$150 millions.

WHAT MORE COULD WE DO? Experts and politicians started calling for a National Response Organization after Canada's largest wildfire season in terms of area burned, 2023. These calls increased after fires in the year 2024 destroyed a third of Jasper, a tourist town.

The only Group of Seven nation without a federal agency dedicated to combating "wildfires" is Canada. The provinces are responsible for a large part of firefighting.

The Canadian Senate released a report in June 2026 that included a call for the creation of a federal coordination office for wildfires, emergency response and funding for a modern fleet of firefighting aircraft.

The report noted that wildfires have become a crisis, citing the area burned in the past few years.

The federal Office of Emergency Management and Community Resilience announced that it was evaluating recommendations for wildfire response and possible creation of a Federal Emergency Management Agency. The 'leasing of ten new firefighting planes as an example of how they are addressing severe fires by bolstering the provincial and territorial firefighting capability. Canada has approximately 126,000 firefighters working for towns, cities and villages, with about 90% of them being volunteers. Ken McMullen is the president of the Canadian Association of Fire Chiefs. He said that only 3,000-5,000 firefighters in Canada are trained to fight wildland blazes. McMullen stated that a centralized approach could help coordinate, train, and move firefighters and equipment throughout the country when necessary.

What are some other areas with wildfires? According to the National Interagency Fire Center, 2026 has been a year of fires that is above average in the United States. 3.7 million acres have burned from year-to date, compared with an average 10-year burn rate of 2.7 millions acres. Fires in?the?U.S. West is burning more intensely and consuming more land, after a record low winter snowpack caused drought conditions in more than 90% the region.

According to NIFC, the United States has seen 40,000 wildfires this year. This is well above its 10-year average, which was around 31,000 at this time. A wildfire that burned an area as large as San Francisco in northeastern Spain forced thousands of people to flee. This summer, there have been nearly 20 reported wildfires in England and Wales. A historic forest near Paris has also burned and turned the skies black. (Reporting from Nivedita Balu, Toronto; Additional reporting provided by Andrew Hay; Editing done by Caroline Stauffer and Edmund Klamann).

(source: Reuters)