Coughing, sneezing, runny nose. Sure, those are signs of seasonal allergies, but they can also be caused by wildfire smoke.

Ultrafine particles are only 0.18 microns in diameter – more than 5,500 would fit across one millimetre.

McGill University is seen Oct. 13, 2023, in Montreal. Researchers at McGill University have published a study showing that outdoor ultrafine particles are linked to the deaths of an estimated ...

Exposure to ultrafine particles from traffic alters the expression of many genes in human olfactory mucosa cells, a new study shows. The study is the first to combine an analysis of emissions from ...

Their study, published recently in the American Journal of Respiratory and Critical Care Medicine, finds that long-term exposure to the ultrafine particles known as UFPs – which are typically ...

Ultrafine particles linked to 1,100 deaths per year in Montreal, Toronto: study By: Joe Bongiorno, The Canadian Press Posted: 1:18 PM CDT Wednesday, Aug. 7, 2024 Last Modified: 3:45 PM CDT ...

Ultrafine particles linked to 1,100 deaths per year in Montreal, Toronto: study Canadian Press Published Aug 07, 2024 • Last updated Aug 10, 2024 • 2 minute read Join the conversation ...