St. Louis, MO (KSDK) - Authorities say the St. Louis Art museum has now been given the all clear. 

Late Thursday  morning the museum in Forest Park was evacuated due to a prevalent smoke odor.

The St. Louis Fire Department now says the smell came from an overloaded motor in the H-VAC system. 

No one was hurt. Patrons are allowed back into the museum.

KSDK