Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

Canada’s wildfire season has got off to a dangerous start, with thousands of people forced to flee their homes and blankets of smoke affecting air quality across eastern North America. Following ...

As Canada’s wildfire smoke creeps down into the U.S., it’s also transforming. Chemical reactions between gases and sunlight create ozone, which further exacerbates lung conditions like asthma.

Taken together, the hot spots and area burned mean 2025 is the second-worst start to the season in years. Smoke from Canada’s wildfires has reached Europe Smoke from Canadian wildfires worsened air ...

Even those nowhere near the wildfires are suffering as smoke swirls around Canada and wafts south, creating hazardous air quality all over the midwestern and eastern parts of the United States. The ...

Canada still has time to lead — not just in firefighting, but in foresight. To invest in our forests, respect our waters, ...

Canada wildfires: How to keep yourself safe as smoke from deadly inferno reaches Europe ‘Very unhealthy’ air quality has been reported in many areas Caleigh Wells Wednesday 04 June 2025 21:36 BST ...

It’s still early in the season and Canadian wildfires have already burned 7.8 million acres, the yearly average in 7.3 million acres.

Canada faces a severe wildfire season, with millions of hectares already burned and forecasts predicting continued high risks due to climate change-induced dry conditions. Evacuations have displaced ...