Wildfire smoke from Mexico triggers smoke advisory for Clark County

Wildfire smoke from Mexico triggers smoke advisory for Clark County September 16, 2026 - 9:52 am Wildfire smoke drifting from northeastern Baja California has prompted a smoke advisory for Clark County that will remain in effect for the next two days, officials said. Forecasters indicate the plume, originating northeast of Ensenada, Mexico, is expected to move into the Las Vegas Valley on Wednesday and persist through Thursday, according to the Clark County Division of Air Quality. The Environmental Protection Agency notes that individuals who may be particularly sensitive to heightened particulate and ozone levels include those with respiratory problems, cardiac disease, young children, and elder citizens. Residents with medical conditions that increase susceptibility to poor air quality are advised to consult their physician.