The current flag of Pocatello, Idaho was adopted on July 20, 2017, replacing the previous flag, used unofficially from 2001 to 2017. The former flag was considered by a 2004 survey of the North American Vexillological Association to be the worst of 150 selected US city flags.[1] The current flag is commonly known as the Mountains Left, while the previous flag (used until 2017) was known as the Proud to be Pocatello.[2]