Trey Fulbright is the newest meteorologist on the KDKA First Alert Weather Team. In addition to seeing his forecasts on air, he also does weather and climate reporting. Trey comes to KDKA from Des ...

What happens to smoke particles after sunset can depend strongly on something as familiar as the amount of water in the air.

New research finds indoor relative humidity between 40 and 60 percent is associated with relatively lower rates of COVID-19 infections and deaths, while indoor conditions outside this range are ...

Dry air and poor humidity control in classrooms are drawing scrutiny as districts weigh health, budget, and building-maintenance tradeoffs.

Are you wondering what the target indoor humidity should be in winter?By comparing figures from official sources, a range of ...

Astronomical autumn began around September 23, when the sun was directly above the Equator before appearing to move southwards towards the Tropic of Capricorn. Humidity also generally increased ...

What experts describe as some of the worst humidity they’ve ever recorded in Southern California gripped the region Tuesday, making already hot, miserable conditions feel even worse. The extreme ...