Smoke from Ontario Threatens Toronto | Toronto News

Wildfire smoke from Northern Ontario has turned Toronto’s sky orange and left it hazy and grey, with over 170 fires burning in Ontario and more than 870 across Canada. Air quality warnings remain in effect for the GTA, where Toronto once ranked among the world’s most polluted major cities. Scientists struggle to predict smoke movement due to unpredictable fire behavior and atmospheric conditions, while fine particulate matter (PM2.5) poses serious health risks—especially for kids and seniors—and could cost billions in health and economic fallout. Officials hope conditions may improve by Friday, but with so many fires still burning, the situation remains volatile. Listen in comfort:Get a discount on a Soli Pillow: http://solipillow.com/discount/dnn. Advertise on DNN:[email protected] This is an automated, high-level news summary based on public reporting.Report issues to [email protected]. View sources & latest updates:https://sources.thednn.ai/a39066ed4d33a25c