Yosemite National Park announces that the park will close to all visitors and vehicular access due to significant smoke impacts and hazardous air quality throughout the park. All park entrance stations and roads will close beginning at 5:00 pm tonight, Thursday, September 17, 2020. https://www.nps.gov/yose/learn/news/yosemite-national-park-to-close-due-to-significant-smoke-impacts-and-hazardous-air-quality.htm