See How the Wildfire Smoke Spread Across the U.S.
Briefly

Much of the eastern U.S. has seen unsettlingly hazy skies this week as smoke from the more than 400 wildfires currently blazing across Canada has blown south.Wednesday was by far the worst day for wildfire smoke in the contiguous U.S. since 2006, according to researchers at Stanford University's Environmental Change and Human Outcomes Lab, and Tuesday claimed the number four slot.
Read at www.scientificamerican.com
[
add
]
[
|
|
]