what is a heat index

The quick read

What's driving the attention

People are seeking to understand the heat index, especially during prolonged extreme heat conditions in various regions.

The heat index has become a topic of interest due to extreme heat warnings and record high 'feels like' temperatures reaching uncomfortable and hazardous levels in places like Missouri, Kansas, Louisville, and Delhi. This metric, combining temperature and humidity, helps individuals understand the actual perceived temperature, which can be significantly higher than the air temperature alone.