Aerosol particles in high smoke plumes reflect more light back into space. Closer to Earth’s surface, there is more oxygen to absorb light at the 688 nanometer wavelength, so less light is reflected.

Canada wildfire smoke is impacting air quality across a dozen U.S. states, primarily in the Northeast and Great Lakes regions. Air quality is expected to remain poor through Wednesday, Aug. 6, with ...

Smoke from numerous wildfires burning across the western United States was visible in satellite imagery from Monday, September 8. CSU/CIRA and NOAA said the “thick grayish-brown smoke” was captured by ...

It has been quite a smoky stretch in Michigan. In the short term it looks like we could have a break from the heavy Canadian wildfire smoke. The satellite imagery shows the wildfire smoke as a fuzzy ...

Multiple wildfires are burning across California, fueled by high temperatures, dry winds, and low humidity. Cooler weather and coastal fog are aiding firefighting efforts in some areas, but conditions ...

Multiple wildfires are actively burning across California, with some ignited by recent dry lightning strikes. High temperatures and dry conditions are fueling the fires, extending the wildfire risk ...

The Pickett Fire in Napa County has caused at least $65 million in agricultural damage, impacting vineyards and beekeeping operations. The fire, suspected to be caused by improperly discarded ashes ...

We now live in the Pyrocene, a proposed new geologic epoch of high wildfire activity brought about by human-caused climate change. The occurrence of extreme fire weather is now roughly double compared ...

A wildfire near Crowley Lake on the eastern side of the Sierra Nevada broke out midday Thursday and is rapidly spreading in southern Mono County, less than 20 miles south of Mammoth Mountain.

A wildfire near Crowley Lake on the eastern side of the Sierra Nevada broke out midday Thursday and is rapidly spreading in ...

Wildfire smoke from Washington, Oregon, and British Columbia has severely impacted air quality in eastern Washington. Winds from the east and northeast have largely contained the smoke east of the ...