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Wildfires Ravage Canada, Causing Unprecedented Air Pollution
29 Sep, 2025
Summary
- 2025 marks second-worst wildfire season in Canadian history
- Smoke from wildfires can travel long distances, affecting air quality nationwide
- Wildfires now a major contributor to Canada's air pollution and greenhouse gas emissions
As of September 29th, 2025, Canada is in the midst of its second-worst wildfire season on record, according to the latest figures from the Canadian Interagency Forest Fire Centre (CIFFC) and Natural Resources Canada. Scientists and emergency responders warn that this is just a preview of what's to come as climate change continues to intensify.
"We are getting longer, hotter and drier seasons around the world, but especially here in Canada. This means more intense wildfire seasons," said one expert. The World Weather Attribution Group has now confirmed that the back-to-back historical wildfire seasons in Canada are directly linked to the impacts of climate change.
The smoke from these wildfires is causing major air quality issues across the country. Canada's Air Quality Health Index (AQHI) has been registering very high-risk levels in many regions, with the smoke traveling hundreds of kilometers and affecting communities far from the fire sources. Experts estimate that over 8,000 Canadians have died prematurely due to chronic smoke exposure from the 2025 wildfires.
The impact of these wildfires extends beyond just public health, as they are now a major contributor to Canada's air pollution and greenhouse gas emissions. This creates a concerning feedback loop, as the increased emissions make it even harder to control the wildfires in the future.
