Fluorescence lidar technology enables a better determination of the origin of particles in the atmosphere. The method can also visualize particle layers that were previously practically invisible.

Noxious wildfire smoke from Canada will infiltrate the U.S. through the north this weekend, just as African dust clouds approach from the east. They have nothing to do with the Trump tariffs and ...

Canadian wildfire smoke and a dust plume from Africa could collide over the South this week By . Mary Gilbert, CNN Meteorologist. Updated Jun 3, 2025, 3:35 PM ET. PUBLISHED Jun 3, 2025, 4:15 AM ET.

A "wall of dust" is heading toward Florida and could hang around until the weekend. Smoke from Canadian wildfires dipped as far south as North Florida. The same conditions bringing the Saharan ...

See where Canadian wildfire smoke and a plume of dust from the Sahara Desert in Africa will hover over the U.S. East Coast this week.

The combination of wildfire smoke and Saharan dust is leading to hazy skies and poor air quality across much of the country this week. While both dust and smoke are similar, it's also important to ...

Well, with the dust and the smoke molecules added to that, it dims the sky color *** lot to the point where it looks like that milky haziness, and that's what we're seeing this morning on our pearl ...

Dust isn't the only threat out there, especially for those with respiratory problems. Smoke from Canadian wildfires is moving south into the U.S., although it is not expected to last as long or be ...

Fluorescence lidar technology enables detection of optically thin smoke layers at high altitudes that are invisible to conventional methods, revealing more frequent and widespread pollution over ...

Canadian wildfire smoke and a dust plume from Africa could collide over the South this week By . Mary Gilbert, CNN Meteorologist. Updated Jun 3, 2025, 3:35 PM ET. PUBLISHED Jun 3, 2025, 4:15 AM ET.

This dust could collide with any lingering smoke in the South this week, potentially causing unhealthy air quality and a hazy, duller sky during the day, bracketed by colorful sunrises and sunsets.