The sky gets its color from the type and amount of tiny particles in the air, as well as the specific wavelengths of light they obstruct, experts said. This phenomenon, known as the Rayleigh scattering, is responsible for the orange sky.
Looking across the East River, Saltz couldn’t make out the contours of Brooklyn, and what she could see was bathed in an orange glow.
“Rayleigh scattering strength depends on the wavelength of the light, the size of the scattering particle and the density of the scattering particles,” he said. “Light with shorter wavelengths gets scattered and attenuated more strongly than light with longer wavelengths .” The dangerous nature of the plume is affecting millions of Americans, as local governments urge residents to avoid or minimize spending time outside. Some have felt inspired by the orange to create and share “dystopian morning routines” on social media. Others said the changing color of the sky filled them with a sense of dread and foreboding.“As I was getting into my car yesterday, I saw a particle of ash all the way from Canada fall on me. And I could see smokiness in the sky,” Marlon said.
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