Strong Winds Lift 1980 Mount St. Helens Ash, Causing Haze and Air Quality Concerns
Strong Winds Lift 1980 Mount St. Helens Ash, Causing Haze and Air Quality Concerns Strong winds sweeping across parts of Washington state have stirred up volcanic ash from the 1980 eruption of Mount St. Helens, leading to hazy conditions and a reduction in air quality. The phenomenon, observed as recently as September 16, 2025, is not a sign of new volcanic activity but rather the resuspension of decades-old deposits. The U.S. Geological Survey (USGS) explains that ash resuspension occurs when…