What is the crossword answer for the clue: Pollution factor

FUME - a 4 letter word may be the answer you are looking for!

SMOKE - a 5 letter word may be the answer you are looking for!

SOOT - a 4 letter word may be the answer you are looking for!

SMOG - a 4 letter word may be the answer you are looking for!

Pollution factor

4 Character Answers:

FUME

SMOG

SOOT

5 Character Answers:

SMOKE