CDC - National Environmental Public Health Tracking

This indicator reports the relative threshold heat index days (2020-22 three-year average) of the daily heat metrics as the 95th, 98th, and 99th percentile. The “heat index” is a single value that takes both temperature and humidity into account. The higher the heat index, the hotter the weather feels, since sweat does not readily evaporate…

This indicator reports the absolute threshold heat index days (2020-22 three-year average) of the daily heat metrics as 95, 100, and 105 degrees Fahrenheit. The “heat index” is a single value that takes both temperature and humidity into account. The higher the heat index, the hotter the weather feels, since sweat does not readily evaporate…