645 heat-related deaths (50% increase) reported in Maricopa County, Arizona in 2023; heatstroke a public health concern.

645 heat-related deaths in 2023, a 50% increase from the previous year, were reported in Arizona's Maricopa County. Dr. Rebecca Sunenshine, medical director of the health department, calls heatstroke a significant public health concern. With hotter months approaching, she encourages residents to check on vulnerable neighbors, ensure air conditioning is working, and follow the county's "10 tips" for staying safe in the heat.