Visual comparison of Yellowstone National Park: Clear Sky vs Smoky Sky
By angelamontana

Posted: August 2, 2021

This post from Yellowstone National Park shows just how much smoke we have in the air:

A visual comparison of how the fires out west have been affecting the air quality in the park. Storms this weekend helped to clear things up a bit, but with the rain came lightning and three new fire starts.
nps.gov/yell/learn/management/current-fire-activity.htm
(Photo: Clear conditions.)