Oregon's days with extreme heat and smoke quadruple over two decades, study says
State report shows extreme heat days doubled, wildfire smoke days tripled, and combined events quadrupled since 2006-2010 period
Oregon is experiencing four times as many days with both extreme heat and wildfire smoke as it did two decades ago, according to a study released by the Oregon Health Authority, with the state recording nine heat-related deaths in 2025 alone.