Why Does the Sky Sometimes Turn Purple? A blue sky is a good sky. It's a reassuring sight that promises clear weather and bright days. But what does it mean when the sky turns purple?
Thank you for your theory, here is the reason why we expereince the purple upon my reading-ish hue is produced when fine volcanic aerosols reach the stratosphere and scatter blue light, which when mixed with ordinary sunset red, produces a violet tone. The purple color is often preceded by a yellow arch hugging the horizon.
