We checked which air purifiers actually show real indoor air changes at home, and whether an AQI display is truly useful or ...

A new leaf imaging system lets scientists watch plant stomata control water loss and carbon uptake in real time.

Stability studies measure how medical devices respond to environmental stresses such as temperature, humidity, light, and ...

Extreme heat forecast for the next few days has prompted warnings form health experts. Here's how to stay safe.

A red flag warning means that “critical fire conditions” are occurring that could turn a spark into an unchecked wildfire or ...

Looking for a reliable home weather station that fits your needs? We tested a range of weather stations to see how well they ...

Discover the benefits and risks of air drying clothes indoors. Learn practical tips to ensure safety and efficiency while reducing energy use and wear on your garments.

Winter brings a shift in indoor air dynamics. Homes are sealed tightly against the cold, heaters or fireplaces blast dry air, and outdoor pollution often seeps inside. In cities like Delhi-NCR, where ...

NORFOLK, Va. — Most summer days, you hear us talk about “humidity” when describing how the air feels. While many people are familiar with the term relative humidity — the percentage of water vapor in ...

A lifeguard watches swimmers cooling off at a St. Louis-area pool. Summer afternoon temperatures have cooled off in the middle of the country in recent decades. But hotter nights and winters are still ...

More than 70 million Americans sweated through the muggiest first two months of summer on record as climate change has noticeably dialed up the Eastern United States’ humidity in recent decades, an ...

PHOENIX (AZFamily) — While the temperature trend is going up, humidity has been trending downward lately, you’ve probably felt the dryness in the air! Dew points measure the amount of moisture in the ...