A vast body of evidence on the health effects of air pollution led to North American legislation to regulate polluting emissions at sources; these top–down measures led to improved air quality and ...

Add Yahoo as a preferred source to see more of our stories on Google. An orange-coloured haze, resulting from a nearby wildfire, is seen outside the Forest Fire Management Centre in La Ronge, Sask., ...

It’s been a relatively quiet wildfire season so far in the Pacific Northwest, with not much in the way of large fires or widespread smoke pollution — yet. But a recent study found that more frequent ...

THURSDAY, June 5, 2025 (HealthDay News) -- The cardiorespiratory effects of smoke fine particulate matter (PM 2.5), a primary wildfire emission that can spike for months after a wildfire begins, can ...

Smoke from Saskatchewan's wildfires may have largely dissipated for now, but researchers say the effects on people's health can linger. Sarah Henderson, director of environmental health services with ...