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Under the Revised Graded Response Action Plan (GRAP) for Delhi-NCR, Stage III ('Severe' Air Quality) is triggered when the Air Quality Index (AQI) ranges between:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1201–300
2301–400
3Above 450
4401–450✓

Correct answer

401–450

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Under the Revised Graded Response Action Plan (GRAP) for Delhi-NCR, Stage III ('Severe' Air Quality) is triggered when the Air Quality Index (AQI) ranges between:

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Under the Revised Graded Response Action Plan (GRAP) for Delhi-NCR, Stage III ('Severe' Air Quality) is triggered when the Air Quality Index (AQI) ranges between:

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