Significant brush fires in South Miami-Dade and the Florida Keys have led to extensive road closures and smoky conditions, with over 24,000 acres affected. Authorities have reported that the fire is only partially contained, causing the temporary severing of critical access to the Keys along U.S. 1. First responders are actively working in the area as traffic disruptions continue for the third consecutive day. While no neighborhoods are currently threatened, health experts warn about the potential air quality issues related to the smoke. Despite the ongoing situation, NASCAR events in the region are expected to proceed as planned.