Early-season wildfires in Canada are causing thousands of evacuations, damage throughout 1 million acres and a thick blanket of smoke traveling south into the United States, reaching as far as Nebraska and including western Washington. Fortunately, this amount of smoke is not likely to cause serious health problems for residents. "This is definitely an early start," UW Professor of Atmospheric Sciences Dan Jaffe said. "Even though these fires aren't affecting us here in western Washington now, it's really a wakeup call - be ready. Think about how you're going to provide a clean air space for your family and your home." Read more: https://www.king5.com/article/tech/science/environment/wildfire-smoke-summer-preparations/281-50da94fd-08e5-45ce-bc33-30fbfa541d5b