All coverage
Canada marks worst wildfire season on record
By Victoria Beaule & Somayeh Malekian
Canadian wildfire smoke brings another wave of 'very unhealthy' air to the Midwest, East Coast
By Joseph Winters
What causes wildfires in Canada?
By Drew Anderson
Wildfire Smoke: Smoke From Canada Fires Stretches From Midwest to East Coast
By Dave Sanders, Meagan Campbell & Dan Bilefsky
Smoke from Canada wildfires has reached Europe
By Bill Chappell
How many fires are burning, how did they start and other answers to questions about wildfires in Canada
By Ridah Syed
Expect a hot, smoky summer in much of America. Here's why you'd better get used to it
By Seth Borenstein
Rain hasn't quelled Canadian wildfires, and more smoky haze is on the way, officials say
By Rob Gillies
Canadian wildfire smoke reaches Europe as Canada reports its worst fire season on record
By Taylor Ward, Zoe Sottile & Joe Sutton
Smoke from Canadian wildfires is still wafting south. Conditions for some are expected to improve soon
By Taylor Ward & Aya Elamroussi
June 28, 2023 - Millions under air quality alerts in the US due to Canadian wildfire smoke
By Mike Hayes, Holly Yan & Aditi Sangal
Canadian wildfire maps show where 2023's fires continue to burn across Quebec, Ontario and other provinces
By Emily Mae Czachor
How did the 2023 Canadian wildfires start? A look at what caused the fires that are sending smoke across the U.S.
By Cara Korte
2023 Canadian wildfire smoke maps show where air quality is unhealthy now and forecasts for the near future
By Caitlin O'Kane
Wildfire smoke affecting millions of Canadians expected to linger for at least 2 days
By John Mazerolle
Wildfire Smoke: Smoke From Canadian Fires Blankets Great Lakes Region
By Dan Bilefsky, Chris Stanford & Judson Jones
Millions face a relentless summer of smoke that won't end anytime soon
By Scott Dance, Kate Selig & Matthew Cappucci
Smoke from Canada's wildfires has reached Europe. Will it affect air quality?
By Rebecca Ann Hughes