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B.C. heat dome: Mapping deaths by postal code

B.C. heat dome: Mapping deaths by postal code #heat #dome #Mapping #deaths #postal #code Welcome to Viasildes, here is the new story we have for you today:

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CTV News has learned more about the neighbourhoods and communities where a combination of poverty, scant tree coverage and isolation contributed to the deaths of hundreds of British Columbians during record-breaking heat in 2021.

A freedom of information request with the BC Coroners Service for the postal codes where the 619 victims of last year’s heat dome lived resulted in a more precise picture of where they died, though not as detailed as some observers would’ve liked.

Simon Fraser University’s Andy Yan crunched the data exclusively obtained by CTV News and while he wasn’t able to do an effective analysis of income levels or ethnic backgrounds. The demography and urban planning researcher said he was stunned to see which areas saw the highest death rates.

“They were particularly concentrated in very specific areas,” he said, which was information not previously available through the coroner’s report.

The postal code data revealed that 18 people died in the most populous area of Chilliwack, with another 18 in the rest of the community. In Abbotsford, all 22 deaths were concentrated in areas with subdivisions and townhomes, while all of the 11 deaths in Maple Ridge were between 203rd and 232nd streets. Similarly, Langley, Surrey, White Rock and Burnaby had few deaths outside the more urban sections.

New Westminster was highlighted as having an exceptionally high death toll of 55 people, and when mapped it’s visibly one of the hardest-hit areas. Vancouver’s Downtown Eastside, however, only saw 12 deaths.



Early on, the BC Coroners Service had revealed that the majority of the deaths were in seniors and those with underlying health conditions, while the final report found 98 per cent of the dead had been indoors.

The chief medical officer for the agency pointed out while a third of those dead had been living in poverty, with about two-thirds living alone or socially isolated. The Downtown Eastside saw comparatively few, which surprised Dr. Jatinder Baidwan and his colleagues.

“That tells us something about when people come together as a group and they’ve got their own social infrastructure set up, they can sort of protect themselves and warn themselves about what’s happening in a trusted way and they can respond better,” he theorized.

When CTV News asked whether the visible poverty in the Downtown Eastside saw more resources and outreach, compared to individuals living alone in unseen, secret poverty, he agreed. 

“I think there’s a stigma attached to poverty, I think people who are on that terrible line and are ostensibly poor don’t want to admit that, don’t want to seek they help they could possibly get,” said Baidwan, who is also a practicing medical doctor.

“There is a social responsibility to check on your neighbour… we’ve go to knock on doors and make sure that they’re ok, and that doesn’t come naturally to a lot of us because we sort of respect personal space.”


As of now, 16 British Columbians have died from suspected hyperthermia in the summer of 2022 — half of them in Fraser Health. It’s easy to see on Yan’s map that half of the heat dome deaths were also in that health authority, which services approximately 1.8 million of the province’s 5.1 million residents.

Fraser Health did not respond to a request for an interview on lessons learned and what they’ve done differently this year, though Baidwan believes there have been many improvements – most notably better communication.

He confirmed that urban heat islands with poor or non-existent tree canopies were closely linked to the 2021 deaths, and Yan pointed out that seeing the concentration of deaths and comparing it to tree coverage could provide powerful motivation.

“There’s always the correlation versus causation discussion, but it really speaks to the effects of the physical environment, the urban environment on heat deaths,” said Yan.

“(Visualizing the deaths through this map) helps inform the public as well as policymakers of the types of interventions and where those interventions should be made to keep our population healthy.”

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Daniel Joseph

Daniel with 10+ years of experience in Writing, Content Marketing. I write posts mostly about celebrity and other entertainment related stuffs. I love sharing my knowledge with the community. Here, I bring you the latest happening around the Globe. Your support would mean a lot to me!

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