Tag: wildfires

Ottawa’s air quality among the worst in the world as wildfire smoke blankets the region

Published June 6, 2025

Published by: CTV News
Published on: June 6, 2025
By Josh Pringle

The City of Ottawa is experiencing some of the worst air quality in the world due to wildfire smoke on Friday, with the poor air quality expected to continue into Saturday.

A special air quality statement remains in effect for Ottawa, eastern Ontario and western Quebec, warning smoke is causing poor air quality and reduced visibility.

“High risk air quality due to wildfire smoke is expected over the area overnight. As smoke levels increase, health risks increase,” Environment Canada said in an updated statement at 5 p.m. Friday.

“Limit time outdoors. Consider reducing or rescheduling outdoor sports, activities and events.”

Ottawa’s air quality was rated 10+ or “Very High Risk” at 4 p.m., after a slight improvement earlier in the day. The Air Quality Health Index shows Ottawa’s air quality will be or 10 or “High Risk” tonight, improving to to “5-Moderate Risk” tomorrow.

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Toronto

Air quality in Toronto among worst in the world amid wildfire smoke, global tracker shows

Published June 6, 2025

Published by: CBC News
Published on: June 6, 2025
By Rochelle Raveendran

Toronto is currently the second most polluted major city in the world as wildfire smoke spreads across the city, according to a global tracker.

The ranking by IQAir, a Swiss air quality technology company, puts the city below Santiago, Chile, and above Montreal, which is in third place as it also faces wildfire smoke from western provinces.

As of noon Friday, air quality in Toronto was above 10 on Environment Canada’s air quality health index, which means “very high risk,” according to the weather agency’s website.

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climate crisis

Wildfires: Toronto and Montreal among the cities with the worst air pollution in the world

Published June 6, 2025

Published by: Radio-Canada
Published on: June 6, 2025
By Stéphane Bordeleau

The smoke generated by the fires raging in the forests of western Canada worsened air quality on Friday in the Prairies, Ontario and Quebec, where…

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wildfires

A warning from Canadian eye doctors about wildfires and smoke

Published June 6, 2025

Published by: CTV News / The Canadian Press
Published on: June 6, 2025
By Nicole Ireland

TORONTO — The Canadian Ophthalmological Society is urging people to take care of their eyes as wildfires burn across Manitoba and Saskatchewan.

People on the frontlines of the fires may get airborne particles in their eyes that need to be flushed out with sterile solution, said Dr. David Plemel, an eye surgeon in London, Ont., who was speaking on behalf of the society.

If it’s not easy to get the particle out, he recommends seeing an eye professional so they can remove it without damaging the cornea.

Smoke travels long distances and can affect people’s eyes even if they are far away from an actual blaze, said Plemel, who is also an assistant professor of ophthalmology at Western University.

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wildfires

Federal government to match Red Cross donations to help wildfire victims

Published June 3, 2025

Published by: CBC News
Published on: June 3, 2025

The federal government says it will match donations made to the Canadian Red Cross as wildfires tear across the Prairies, forcing thousands from their homes.

Speaking on Parliament Hill Tuesday, Emergency Management Minister Eleanor Olszewski said the money will go toward wildfire relief and disaster recovery.

The provinces of Saskatchewan and Manitoba will also match donations, she said.

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climate crisis

Much of Manitoba under air quality warnings as wildfires rage

Published June 2, 2025

Published by: CTV News
Published on: June 2, 2025

Air quality warnings have been issued for a large swath of Manitoba, though rain could bring some much-needed relief.

Environment and Climate Change Canada (ECCC) upgraded a number of air quality statements to warnings Monday morning in a large portion of southern Manitoba, including Winnipeg, Steinbach, and Lac du Bonnet.

These areas join much of northern Manitoba, which have been under air quality warnings for days due to wildfires burning in the region and in northern Saskatchewan.

However, the weather agency notes smoke will improve with rain forecast through southern Manitoba on Monday, while northern communities under wildfire threat will likely have to wait until the weekend for precipitation.

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Manitoba

‘Very high risk’ air quality in Brandon, as smoke persists

Published May 31, 2025

Published by: The Brandon Sun
Published on: May 31, 2025
By Abiola Odutola

The Air Quality Health Index (AQHI) for Brandon reached 10+, indicating a “very high risk” level on Saturday morning, as thick smoke was expected to linger in the air until Saturday night.

Environment Canada’s forecast anticipates that these hazardous conditions will persist through Saturday night, with only a slight improvement expected, dropping to a “moderate risk” (AQHI 6) by Sunday morning and a “high risk” (AQHI 7) by Sunday night.

The elevated readings are the result of thick wildfire smoke that drifted into Brandon Friday evening and remains heavy over the city Saturday morning. The smoke originates from wildfires burning in northern Manitoba and northern Saskatchewan and has led Environment Canada to issue a special air quality statement for the city.

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Saskatchewan

Wildfire smoke descends on Saskatoon

Published May 30, 2025

Published by: CTV News
Published on: May 30, 2025
By Rory MacLean

Saskatoon was under an air quality advisory Friday morning, as wildfires raging in northern Alberta and Saskatchewan sent smoke across the southern parts of the province.

Those who left a window open overnight likely woke up to the familiar smell of a campfire, but Environment and Climate Change Canada (ECCC) is advising residents to close their windows and limit strenuous outdoor activities or exercise while the system of air pollution passes through.

“Protect your indoor air from wildfire smoke. Actions can include using a clean, good quality air filter in your ventilation system and/or a certified portable air cleaner that can filter fine particles,” the statement said.

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wildfires

Long-term exposure to wildfire smoke associated with increased risk of dementia: study

Published December 2, 2024

Published by: CBC News
Published on: December 2, 2024
By Alexandra Mae Jones

Being exposed to wildfire smoke over a long period of time could increase the risk of developing dementia even more than exposure to other sources of air pollution, according to new research.

In the study, published last week in the journal JAMA Neurology, researchers looked at a cohort of more than 1.2 million people over the age of 60 living in Southern California between 2008 and 2019. They tracked dementia incidence among the cohort and compared it to the average concentration of fine particulate matter, also known as PM2.5, in the air due to wildfires in the region.

They found that when the three-year average concentration of wildfire PM2.5 went up by just one microgram per cubic metre of air, there was an associated 18 per cent increase in the odds of a dementia diagnosis.

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climate crisis

Wildfire smoke may increase the risk of dementia, study finds

Published July 29, 2024

Published by: The Guardian
Published on: July 29, 2024

A new US study has found that wildfire smoke may be worse for brain health than other types of air pollution and even increase the risk of dementia.

The findings, reported on Monday at the Alzheimer’s Association International Conference in Philadelphia, come as millions spent the weekend under air quality warnings from wildfires spewing smoke across the western US, including a huge wildfire in California that has grown to more than 360,000 acres.

At issue is fine particulate matter or PM 2.5 – tiny particles about 30 times smaller than the diameter of a human hair that can be inhaled deep into the lungs and move to the bloodstream. This pollution – from traffic, factories and fires – can cause or worsen heart and lung diseases, and the new study adds to evidence it may play some role in dementia, too.

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climate crisis

This wildfire season, changes are coming to better inform people about smoke hazards

Published May 20, 2024

Published by: The Canadian Press
Published on: May 20, 2024
By Sonja Puzic

Last year’s record-breaking wildfire season forced Canadians to become familiar with the scale of air pollution as hazardous smoke drifted across the country.

Environment Canada’s colour-coded Air Quality Health Index, designed to help people understand health risks associated with contaminated air, was closely watched under hazy, orange skies that stretched beyond the Canada-U.S. border.

But the AQHI, measured on a scale from one to 10+, was not calculated the same way in all provinces and some people were unsure how index values applied to their daily activities.

Environment Canada hopes several changes being made this year will improve how air quality-related health risks are communicated and understood by the public.

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climate crisis

Risk of wildfire smoke in Ottawa low — for now: Environment Canada

Published May 13, 2024

Published by: Ottawa Citizen
Published on: May 13, 2024
By Blair Crawford

Smoke from wildfires in Western Canada will soon be drifting high overhead, but it poses no health risk in Eastern Ontario, says Environment Canada.

“Taking a look at our guidance and the weather patterns this week and the way things are panning out, it doesn’t look like Eastern Ontario needs to be concerned about its air quality at this time,” Trudy Kidd, a warning preparedness meteorologist with Environment Canada, said Monday.

“At best, people might see some haze in the skies in the coming days as the forest fire smoke makes its way through and disperses aloft, but from what we can tell at this time, the particulate matter — and that’s what’s of concern when it comes to forest fires — we’re expecting it to stay aloft,” she said.

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climate crisis

Wildfire smoke could move into Ottawa, eastern Ontario tonight

Published May 13, 2024

Published by: CTV News
Published on: May 13, 2024
By William Eltherington

Wildfires in western Canada will likely bring smoke into Ottawa and eastern Ontario starting on Monday and into Tuesday morning.

CTV’s Your Morning chief meteorologist Kelsey McEwen says smoke could travel as far as Quebec City by Tuesday morning with air quality advisories being issued in five provinces.

“You can see the Jetstream pulling that smoke down south of the border through the Dakotas and back up through the Great Lakes,” McEwen said.

“By tomorrow, this begins to slide toward the Ottawa-Gatineau area, tomorrow morning and out toward Quebec City.”

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climate crisis

Smoky skies back in Alberta as wildfires spread

Published May 12, 2024

Published by: CBC News
Published on: May 12, 2024

Just as the last vestiges of winter gave way to a few days of warm weather, smoke has clouded Alberta’s skies, bringing with it a foreboding memory of summers past, as wildfires continue to burn in the northern parts of the province.

Environment and Climate Change Canada has issued 321 air quality alerts, spanning the province from High Level to Milk River. Alberta Wildfire is reporting 50 active wildfires as of 4:00 p.m. on Sunday, with two currently classified as out-of-control.

One, near Fort McMurray, tripled in size overnight to extend its reach to about 5,500 hectares. The other, burning in Grande Prairie County in northwestern Alberta, had grown to about 1,400 hectares as of 1 p.m. Sunday.

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climate crisis

Edmonton to see smoky skies, poor air quality into Monday night

Published May 12, 2024

Published by: CTV News
Published on: May 12, 2024
By Brittany Ekelund

Edmontonians saw a slight improvement in the smoky skies Sunday.

The air quality index in the city had dropped from a 10 – very high risk – to a high-risk 9 by Sunday afternoon.

According to Environment Canada, wildfire smoke is harmful even at low concentrations, and residents in affected areas were told to reduce or reschedule strenuous outdoor activities and watch for symptoms such as coughing and throat irritation.

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indoor air quality

Canada needs to improve indoor air quality for kids as an early wildfire season looms, advocates say

Published April 25, 2024

Published by: Toronto Star
Published on: April 25, 2024
By Kevin Jiang

Children are particularly susceptible to harm from air pollutants … They’re much more vulnerable to the health effects of poor indoor air quality because their bodies, brains and respiratory systems are still developing.

— Erica Phipps, Executive Director of Canadian Partnership for Children’s Health and Environment (CPCHE)

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Ottawa-Gatineau

Wildfire season: What can Ottawa expect?

Published April 11, 2024

Published by: CTV News
Published on: April 11, 2024
By Ted Raymond

Last summer’s smoky skies could make a return this year, as officials say Canada is on track for a repeat of the 2023 wildfire season – the worst on record.

In Ottawa, wildfire smoke blanketed the capital several times last summer and there were multiple open air fire bans and even concerns Canada Day fireworks could trigger a blaze.

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climate crisis

Dubai climate talks focus on health as Canadian doctors warn patients already seeing impacts

Published December 3, 2023

Published by: CBC News
Published on: December 3, 2023

A group of Canadian doctors are in Dubai, United Arab Emirates, this week at COP28 to raise awareness about the impacts climate change is having on the health of patients and the overall health-care system.

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