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air quality

PAGE 14

Under Grap 2, curbs on diesel generators

To be sure, the Stage-1 of Grap is generally invoked when the AQI crosses 200. Stage-2 (very poor) measures are invoked when the AQI crosses 300; Stage-3 (severe) when the AQI crosses 350 and over 400 AQI leads to Stage-4 (severe plus) measures. (Sanjeev Verma/HT Photo)
Published on Oct 19, 2025 23:00 IST