If a plume is high in the atmosphere, it won’t affect the air people breathe – it simply floats by, far overhead. But when smoke plumes are close to the surface, people are breathing in ...

Canada is facing another dangerous wildfire season, with burning forests sending smoke plumes across the provinces and into the U.S. again. The pace of the 2025 fires is reminiscent of the record ...

An animation on May 30, 2025, shows a thick smoke plume from Canada moving over Minnesota, but the air quality monitors on the ground detected minimal risk, suggesting it was a high-level smoke plume.

TEMPO makes it possible to determine a smoke plume’s height by providing data on how much the oxygen molecules absorb sunlight at the 688 nanometer wavelength. Smoke plumes that are high in the ...

TEMPO makes it possible to determine a smoke plume’s height by providing data on how much the oxygen molecules absorb sunlight at the 688 nanometer wavelength. Smoke plumes that are high in the ...