With wildfires raging out of control across Canada, experts warn the United States may be facing a summer of intense heat and hazardous smoke. But just how dangerous is this smoke to our health, and when should we be masking up outdoors?
“If you are healthy, you’re usually not at major risk from short-term exposure to smoke,” said Dr. Thomas Kilkenny, a pulmonary and critical care specialist at New York’s Northwell Staten Island University Hospital. “Still, it’s wise to avoid breathing smoke when possible.”
