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 ...

Extremely dangerous heat, coupled with humidity, could result in heat index readings of 100 to 115 degrees from the Midwest ...

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

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 ...

As a practicing internal medicine physician, I field some version of the same question every time the weather gets hot: Is it safe to be outside right now? This week, the answer leans toward a hard no ...

What is the heat index? Learn how humidity makes temperatures feel hotter, why it matters during New York's heat wave and when heat becomes dangerous.

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 ...

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 ...

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