Are you allowed in this situation to continue overtaking?

Why?

You may continue overtaking the bus on its left because you have adequate visibility and enough space. You are using a separate lane, leaving the right-hand lane available for the bus to pull out. Keep a safe passing distance and avoid obstructing it.

art. 24 ust. 1 pkt 1 i ust. 2 oraz art. 18 ust. 1 Prawa o ruchu drogowym