What in the world?

This pretty much sums up my child lately. For the last 1-2 weeks imparticular this is Ella. I am completely unsure what her malfunction is. She has always had kind of a quirk. She is generally a happy, fun baby but when she is around strangers in an unfamiliar environment it is hot or cold. She occasionally just simply flips out. She is unconsolable and remains that way until we leave. This has happened basically since the day she came home from the hospital and is increasing quickly in both frequency and intensity. I wish I knew what I could do to help her. I certainly hope this is something she grows out of. In the meantime I am starting to hold my breath when we go out.