As an apocalyptic haze blanketed Seattle last week, temperatures soared into the 90s and left Seattleites ruing their lack of air conditioning. Welcome to the future? Scientists project climate change will exacerbate wildfire activity. Extremely hot days — 95 degrees and above — are expected to become more common. How hot will it get? A consortium of researchers with the Climate Impact Lab has analyzed two consensus climate models and projected changes nationwide. The lab shared data for each of Washington’s counties with The Seattle Times. Historically, King County has averaged less than one day (.37) a year at or...