Forest Service Wildland Fire Air Quality Outlook of the Yosemite Area for July 23 - Includes Mariposa, Oakhurst and Yosemite Details Last Updated: Monday, 23 July 2018 13:26 Published: Monday, 23 July 2018 13:26 View Comments July 23, 2018 - The U.S. Forest Service Wildland Fire Air Quality Response Program Outlook for the Yosemite National Park Area.Includes Mariposa and Oakhurst. View the discussion thread. back to top