An air quality health advisory has been issued for south central Colorado due to heavy smoke from the 24 Fire, affecting millions of residents. The fire, which started near Mile Marker 24 along Colorado Highway 115, has spread over 7,300 acres, impacting areas within Fremont County, including Penrose, Fremont, and Canon City. Residents are advised to remain indoors to avoid exposure to the smoke, which contains harmful particles and gases that can cause respiratory issues, particularly for the elderly and those with pre-existing conditions.