Crossword clue

“Tree growth indicative of good air quality”

This clue appeared as 7-Down in the NYT Crossword on Saturday, January 31, 2026. The answer has 6 letters.

Answer · 6 lettersFirst appearance
LICHEN
Letters6
Starts withL
Ends withN
Vowels2

Where this clue has appeared

About this clue

The clue “Tree growth indicative of good air quality” ran in the NYT Crossword on January 31, 2026 as 7-Down. Its answer is a 6-letter word that starts with L and ends with N.

See every answer from the puzzle on the NYT Crossword page for January 31, 2026, or learn how clues like this work in our guide to crossword clue types.

More clues from this puzzle

FAQ

What is the answer to the “Tree growth indicative of good air quality” clue?+

The answer is LICHEN (6 letters), from the NYT Crossword of January 31, 2026.

Where has this clue appeared?+

We have seen it 1 time in the NYT Crossword.

How do I find other NYT Crossword answers?+

Open the full list of answers for January 31, 2026, or browse every date on the NYT Crossword hub.