Dust, in general, is any microscopic, powderlike particle or collection of powderlike particles that is made up of sand, soil, fragments of organic tissue, or other materials and is both light enough to be carried by the wind and heavy enough to be deposited on a surface.

Jun 23, 2025 · Dust is made up of various indoor and outdoor particles, like dead skin cells, dust mites, soil, and pet dander. Poorly maintained HVAC systems and high humidity can lead to higher levels of dust.

Oct 19, 2023 · Dust is heavy enough to see and light enough to be carried by the wind. Dust can be made up of pollen, bacteria, smoke, ash, salt crystals from the ocean, and small bits of dirt or rock, including sand.

Sep 11, 2023 · Dust is composed of tiny, dry particles of solid matter that can be found floating in the air and piled on surfaces. It contains a mixture of organic and inorganic materials, and its composition can vary depending on its origin and location.

Stay informed about Dust Safety – explore the comprehensive resources below. They provide easy-to-understand infographics, educational materials, and social media content to help the public better prepare for and understand the impacts of dust.

While the Sahara is the largest source of atmospheric dust, an estimated 5 billion tons of dust is transmitted through the atmosphere each year. This dust can affect air temperatures, ground cooling, and rainfall levels, and is monitored closely by NASA.

Mar 12, 2025 · Dust is an omnipresent component of our environment, often overlooked yet crucial to understanding air quality and public health. It is composed of a variety of materials, including organic and inorganic substances, which can …

Jul 4, 2025 · Dust is so universally diffused throughout the atmosphere that no place within the limits of animated existence can be said to be free from it under ordinary circumstances.

Nov 4, 2022 · Learn more about our review process. Dust is inevitable. That’s because dust is buildup created by airborne particles of fine, dry matter — pollen, skin flakes, fabric particles, dirt and sand.

Dust helpeth the fruitfulness of trees, insomuch as they cast dust upon them: that powdering, when a shower cometh, maketh a soiling to the tree, being earth and water finely laid on.