A blood red sun. Orange skies raining ash. Tweet after tweet referencing "Armageddon."
All over L.A., people reacted this weekend to the vast plumes of smoke wafting across town from the fire in Santa Clarita.
And a lot of folks decided it was a good time to stay inside, and avoid the bad air.
Take Two talks with Jeff Pierce, professor of atmospheric science at Colorado State University, who's leading a three-year NASA-funded study on wildfires and their effect on skies and air quality.
To hear the full interview, click the blue play button above.