The Air Quality Index (AQI) in the United States
A) has no counterpart in other nations
B) uses high values to communicate the highest air quality
C) uses values between 1 and 10 to communicate the extent of toxic air pollution
D) is used by various media outlets to communicate urban air quality

Question

Quizplus · Accepted Answer

The Air Quality Index (AQI) in the United States is used by various media outlets to communicate urban air quality. It uses values between 1 and 500 to communicate the extent of toxic air pollution with higher values indicating worse air quality. Therefore, option A and B are incorrect, and option C is incorrect as it uses the wrong range of values.