Articles on Air quality

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A wildfire burns as an empty street in Jasper, Alta. is shown in this July 24, 2024 handout photo from the Jasper National Park Facebook page. (THE CANADIAN PRESS/Facebook, Jasper National Park)

As wildfires become more frequent and intense, how will persistent smoke exposure affect long‑term health?

As communities are exposed to wildfire smoke more regularly and over longer durations year after year, it is critical to consider what these changing exposure patterns mean for our long-term health.
Wildfire smoke traveling hundreds of miles caused hazy skies all the way to Virginia in 2023. AP Photo/Alex Brandon

Wildfire smoke is back – fires burning across Canada are already triggering US air quality alerts in the Midwest and Plains

States could be in for another summer of unhealthy wildfire smoke as ‘zombie fires’ resurface in western Canada and more blazes break out in the dry conditions.
Toll machines mounted above Broadway in Manhattan, New York City, on Nov. 14, 2024. Charly Triballeau/AFP via Getty Images

After a delay, New York City is moving ahead with congestion pricing to improve traffic, air quality and public transit

Gov. Kathy Hochul hit the brakes on congestion pricing in June but now is ready to roll, with a lower fee. Critics, including New Jersey officials and President-elect Donald Trump, remain opposed.
A man pulls his kids behind an electric bicycle near the pier in Huntington Beach, Calif. Paul Bersebach/Orange County Register via Getty Images

E‑bike incentives are a costly way to cut carbon emissions, but they also promote health, equity and cleaner air

Many incentive programs promote e-bike use, but they aren’t necessarily targeting the right people for the right reasons.
Thick wildfire smoke blankets the landscape near Water Valley, Alta., in May 2023. Evidence linking wildfire smoke with adverse health effects has been accumulating for years. THE CANADIAN PRESS/Jeff McIntosh

Wildfire smoke is an increasing threat to Canadians’ health

The notion that wildfire smoke is ‘natural,’ and therefore less harmful than other types of air pollution, is not supported by the evidence. Wildfire smoke has been linked to adverse health effects.
Thick smoke rolling in from Canada’s 2023 wildfires was a wakeup call for several cities. Eduardo Munoz Alvarez/Getty Images

AI can help forecast air quality, but freak events like 2023’s summer of wildfire smoke require traditional methods too

Air quality forecasting is getting better, thanks in part to AI. That’s good, given the health impact of air pollution. An environmental engineer explains how systems warn of incoming smog or smoke.
Smoke from wildfires hangs over Parliament Hill in Ottawa on June 6. THE CANADIAN PRESS/Sean Kilpatrick

Wildfire smoke FAQ: What’s happening with air quality right now and why? What are the risks? How do I protect myself short‑term? What about long‑term protection? Is this the ‘new normal?’

Answers to some of the most common questions about wildfire smoke, health risks and the air quality situation affecting most of North America.

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