All perfect praise be to Allah, The Lord of the Worlds. I testify that there is none worthy of worship except Allah, and that Muhammad is His slave and Messenger.
Smoking is not among the nullifiers of ablution. However, smoking is forbidden in the Sharee’ah.
For more benefit on the prohibition of smoking, please refer to Fataawa 354349, 282784, 81589, 81345, 81933, and 85441.
For more benefit on the steps to follow to quit smoking, please refer to Fatwa 88467 and 359686.
Allah knows best.