Dust storm

The dust storm on Mars is a global weather event.

“The last dust storm on Mars to go global occurred in 2007, five years before the Curiosity rover landed at its Gale Crater site, according to officials with NASA’s Jet Propulsion Laboratory (JPL) in Pasadena, California.”

Epic Dust Storm on Mars Now Completely Covers the Red Planet

A massive dust storm on Mars that covered one-fourth of planet just a week ago has grown into a global weather event, NASA officials said Wednesday (June 20).

Space.com