You can smoke at designated smoking areas outside and designated smoking lounges in the departure lounge after immigration as below.
Terminal 1
Level 1 – There is a smoking lounge located adjacent to the lounge area and across from the Made in Myanmar store and near gate 9.
Terminal 1 – Level 1
Level 2 – This is a smoking lounge located near the events area.
Terminal 1 – Level 2
Terminal 2
There is a smoking area located on level 1 near Golden Land Duty Free and the Three Seasons Airport Cafe.
Terminal 2 – Level 1