Chemistry · Environmental Chemistry
According to the National Air Quality Index (AQI) methodology, the overall AQI value is determined by the:
- 1Highest sub-index among the monitored pollutants✓
- 2Lowest sub-index value among all pollutants
- 3Sum of all sub-indices
- 4Average of all pollutant concentrations
Correct answer
Highest sub-index among the monitored pollutants
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