From 2019 to 2021, Pima County, Arizona, had 36 documented heat-related deaths, and 2023 has by far been the worst, with 46 heat-related deaths. Although the temperature did not rise above 107 degrees Fahrenheit, the county already had 48 days of 100-plus temperatures. Due to the negative effects of prolonged heat exposure on the community’s health and well-being, the county knew it had to address the issue.