AP Environmental Sciencemediummcq1 pt
An air quality index (AQI) reading of 180 means
A.unhealthy air for everyone
B.perfectly clean air
C.air only unhealthy for fish
D.a measure of water quality
Explanation
Core Concept
AQI scales from 0 (clean) to 500 (hazardous); readings above 150 are unhealthy for the general population.
Correct Answer
Aunhealthy air for everyone
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