
Wildfire smoke spread across Vancouver, B.C., on Wednesday. The Globe & Mail
Thick wildfire smoke blanketed Western Canada on Wednesday, prompting health warnings across several provinces. From Vancouver to Saskatchewan, communities struggled with poor air quality as hot and dry weather fuelled new blazes. Officials urged residents to limit time outdoors, use air filters indoors, and wear respirator masks when needed.
More than 3.5 million people in Metro Vancouver and the Fraser Valley received advisories to stay in filtered spaces. The Vancouver School Board moved all activities inside, while WorkSafeBC ordered employers to protect outdoor workers and provide N95 respirators.
Rising Wildfires Across B.C.
B.C.’s Minister of Forests Ravi Parmar warned that crews face more difficult days ahead. A week of record heat, more than 6,000 lightning strikes, and months of drought have created perfect wildfire conditions. By midday Wednesday, 155 fires burned across the province, with smoke drifting from Yukon and even the United States.
“The risk of new wildfire starts remains a serious issue,” Parmar said. He urged people to stay cautious in the backcountry as temperatures climb higher and more lightning looms this weekend.
Health Concerns Grow
Sarah Henderson from the BC Centre for Disease Control said the mix of record temperatures and heavy smoke poses real health risks. Most people may only feel mild symptoms like sore throats or headaches. But she warned that vulnerable groups, including children, pregnant women, and people with asthma, face greater danger.
“If you’re having severe symptoms from wildfire smoke, please seek medical care,” Henderson said. She added that wildfire smoke may cause long-term health issues, urging residents to cut outdoor activity, wear respirators, and run air filters indoors.
Air Quality Alerts Widen
Environment Canada expanded its warnings to more than 30 regions in B.C., Alberta, the Northwest Territories, and Saskatchewan. The alerts warned that “everyone’s health is at risk regardless of their age or health status” during periods of heavy smoke. Officials asked residents to cancel or reschedule outdoor sports, events, and other gatherings.
Heat Records Shattered
The wildfire crisis came alongside an intense heat wave. On Tuesday, Lytton, Cache Creek, Kelowna, Princeton, and Whistler all set new daily records. Temperatures are expected to remain above normal through the weekend.
In 2021, a deadly heat dome killed more than 600 people in British Columbia. Henderson said there is no sign yet of added pressure on hospitals this year. “Because we’ve managed these types of events before, the population has some of the skills necessary to cope,” she said.
Strain on Fire Crews
The long season continues to stretch firefighting resources. Parmar confirmed a helicopter carrying four crew members made a forced landing near Pemberton on Wednesday. The pilot and passengers escaped without serious injury. He said the exhausting season, which began in April, has taken a heavy toll on frontline teams.

