Answer: AIRQUALITYINDEX
AIRQUALITYINDEX is a crossword puzzle answer that we have spotted 2 times.
Referring Clues:
- 0-to-500 scale that goes from least to most hazardous
- It corresponds to a six-color scale ranging from green to maroon
Last Seen In:
- Post Puzzler - August 12, 2012
- New York Times - September 12, 2009
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