Quick Summary: Heat Index Calculator

In FY 2026-27, the Heat Index measures how hot it feels when humidity is factored in. According to the IMD, a 'feels-like' temperature above 41°C requires extreme caution to prevent heat exhaustion and dehydration.

How to use the Heat Index Calculator

  1. Enter Air Temperature

    Input the current temperature in Celsius (°C).

  2. Select Humidity

    Input the relative humidity percentage (RH%).

  3. View Safety Alert

    Check the calculated Heat Index and see the corresponding IMD safety advisory (Caution, Extreme Caution, Danger).

Related Calculators