It happened on Entrada Lane in Herriman.
The child's mother took the 3-year-old to her pediatrician's office in South Jordan where the child was later air lifted to Primary Children's Hospital.
Unified police say the 3-year-old awoke from a nap, pushed on a window screen and fell to the driveway.
The toddler's condition was initially described as serious, but has been upgraded to good.
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