The graph shows the 2PP (in terms of ALP vote) and the seats in the Lower House (in terms of ALP seats). Remembering in a 150 seat house, then 76 seats are needed to govern in your own right (the Government traditionally loses one vote on the floor in providing the speaker.
Newspoll 2-4th Aug 48:52 2PP ALP 64 L-NP 83, 3 Ind
4 NSW seats, 3 Vic and 1 Qld for a change of 8
Essential Research (Crickey) 5th Aug 49:51 2PP ALP 68, L-NP 79, 3 Ind
2 NSW seats, 2 Vic for a change of 4
I’d call that past the honeymoon peak for Rudd 2.0