Can't figure out Cause of a bad air day? The Vox crossword from October 18, 2025 used this clue. Answer: 4 letters.
Cause of a bad air day Crossword Answer
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Hints
Hint 1
meaning
Hint 2
clue words
Hint 3
anagram
Other Vox Clues (10/18/25)
| 1A: "Stop right there!" |
| 5A: Fourth Greek letter |
| 10A: "You're So ___" (Carly Simon song) |
| 14A: "That makes sense" |
| 15A: Audible way of thinking |
| 16A: Cry of excitement |
| 17A: Stretchy Acme product from "Gee Whiz-z-z-z-z-z-z" |
| 20A: Is stumped |
| 21A: Dice shapes |
| 22A: Opposite of SSW |
Cause of a bad air day Crossword Clue FAQ
What is the 4-letter answer to "Cause of a bad air day" crossword clue?
The answer to the "Cause of a bad air day" crossword clue is SMOG. This answer contains 4 letters and was confirmed in the Vox puzzle.
Which crossword used "Cause of a bad air day" clue?
This crossword clue most recently appeared in the Vox puzzle on October 18, 2025. Daily crossword puzzles often reuse popular clues, so this clue may appear again in future puzzles from the same publication or others.
What is the meaning of SMOG?
The word SMOG means: air pollution by a mixture of smoke and fog. This definition provides context for why it fits the crossword clue "Cause of a bad air day".