It is true that breathing is more difficult in hot and humid air than it is in cooler and drier air. Warmer air can hold more water vapor than colder air, considerably more if there is a large ...

Perceptions can be misleading. An example of this is the fact that humid air is light compared to air with low humidity. The expression, “It’s so humid, you can cut the air with a knife,” illustrates ...

While it does seem counterintuitive that a given volume of humid air is less dense and therefore weighs less than a similar volume of dry air at the same temperature and air pressure, it is true. The ...

Discover how weather conditions affect idiopathic pulmonary fibrosis (IPF) symptoms and learn practical tips to manage your ...

The results show that humidity makes heat much more dangerous for pregnant women and for child health later in life. People ...

There are multiple ways to describe how wet the air is (yes, pretty much all air is wet). What I mean by that is there are water molecules tucked in between the gases like nitrogen and oxygen that ...

Has this summer been muggier than usual? For nearly two-thirds of the country, the answer is yes. Tens of millions of Americans in the central and eastern United States have suffered from an ...

NorCal can experience stretches of slightly muggier weather in late summer as monsoonal moisture sneaks in from the Four Corners region. Humidity isn't something we talk about often in Northern ...