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Tag: air pollution

Topic: SaskatchewanView all posts for the topic: Saskatchewan

Wildfire smoke descends on Saskatoon

Published May 30, 2025

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Published by: CTV News
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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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Topic: pollutionView all posts for the topic: pollution

Trump’s EPA aims to cut pollution rules projected to save nearly 200,000 lives: ‘People will be hurt’

Published March 19, 2025

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Published by: The Guardian
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By Oliver Milman, Dharna Noor, Aliya Uteuova

A push by Donald Trump’s administration to repeal a barrage of clean air and water regulations may deal a severe blow to US public health, with a Guardian analysis finding that the targeted rules were set to save the lives of nearly 200,000 people in the years ahead.

Last week, Trump’s Environmental Protection Agency (EPA) provoked uproar by unveiling a list of 31 regulations it will scale back or eliminate, including rules limiting harmful air pollution from cars and power plants; restrictions on the emission of mercury, a neurotoxin; and clean water protections for rivers and streams.

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Topic: climate crisisView all posts for the topic: climate crisis

Wildfire smoke may increase the risk of dementia, study finds

Published July 29, 2024

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Published by: The Guardian
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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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Topic: climate crisisView all posts for the topic: climate crisis

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

Published May 20, 2024

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Published by: The Canadian Press
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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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Topic: climate crisisView all posts for the topic: climate crisis

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

Published May 13, 2024

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Published by: Ottawa Citizen
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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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Topic: climate crisisView all posts for the topic: climate crisis

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

Published May 12, 2024

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Published by: CTV News
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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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Topic: climate crisisView all posts for the topic: climate crisis

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

Published December 3, 2023

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Published by: CBC News
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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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Topic: air pollutionView all posts for the topic: air pollution

Air Pollution Is Really Dangerous, Even More New Evidence Shows

Published November 23, 2023

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Published by: Scientific American
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By Jesse Greenspan

PM2.5 particles are tiny enough to enter the bloodstream and lodge in the lungs, where they contribute to respiratory problems such as asthma. They also can prompt heart attacks and strokes. And they have been linked to diabetes, obesity and dementia and may exacerbate COVID.

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Wildfire smoke may have contributed to thousands of extra COVID-19 cases and deaths in western U.S. in 2020The Apple Fire burns north of Beaumont, California, on July 31, 2020. Photo: Brody Hessin. Licensed under the Creative Commons Attribution 4.0 International license. https://creativecommons.org/licenses/by/4.0/deed.en
Topic: climate crisisView all posts for the topic: climate crisis

Wildfire smoke may have contributed to thousands of extra COVID-19 cases and deaths in western U.S. in 2020

Published August 13, 2021

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Published by: Harvard T.H. Chan School of Public Health
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Thousands of COVID-19 cases and deaths in California, Oregon, and Washington between March and December 2020 may be attributable to increases in fine particulate air pollution (PM2.5) from wildfire smoke, according to a new study co-authored by researchers at Harvard T.H. Chan School of Public Health.

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