Environment & Ecology · Environment
What is the main difference between air quality and the Air Quality Index (AQI)?
- 1Air quality is a qualitative term, while AQI measures water pollution parameters
- 2Air quality is measured only in urban areas, while AQI is measured in rural areas
- 3Air quality represents absolute pollution levels, while AQI is a standardized numerical index for public communication✓
- 4Air quality measures noise pollution, while AQI is an index for public awareness
Correct answer
Air quality represents absolute pollution levels, while AQI is a standardized numerical index for public communication
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