Michigan's heat wave this week will feel even warmer because of high humidity. Here's how the heat index works.

Delhi's AQI went from 39 on 9 July (after 72 mm of rain) to 261 on 12 July. This spike occurred because when rain stops, high humidity and gusty winds of 20-25 km/h kick up dust from roads and ...

What is heat index and how does it affect how stifling excessive heat feels?

Heat can be dangerous, but health experts say there are ways to manage the threat. Scorching temperatures, especially ...

New York state has entered its first heat wave of the summer - with highs expected to soar into the upper 90s and even past 100 degrees into the holiday weekend. But with the heat index it will feel ...

Exercising outside in high temps can be a health hazard. Here's how to read your local index, according to a doctor, so you can stay safe.

As summer temperatures rise, dairy cows are at greater risk for heat stress. Heat-stressed cows suffer from reduced dry matter intake, reducing milk production. Farmers may also notice reduced ...

The metric of how hot the air actually feels has roots in a 1979 journal paper called “The Assessment of Sultriness.” By Andy Newman In recent days, you may have seen or heard many mentions of a ...

You may feel sluggish at first, but adapting to the heat can make you faster over the long term.

Mapping heat and flood risks part of mission at State Climate Office at George Mason University under budget that took effect ...