The clue "Urban pollution" last appeared in the USA Today crossword on December 27, 2024. The correct answer for this puzzle is "SMOG", a 4-letter word.
Solution SMOG is our most searched for solution by our visitors. Solution SMOG is 4 letters long. We have 0 further solutions of the same word length.
There are 3 solutions. The longest is NOISE with 5 letters, and the shortest is SMOG with 4 letters.
Indeed, the puzzle clue "URBAN POLLUTION" has seen a surge in lookups recently (last checked: 03 Dec 2025). Apparently it´s giving players some headaches!
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Solutions are between 4 and 5 letters long.