The strictest pollution curbs under Graded Response Action Plan (GRAP-4) have been reimposed in Delhi-NCR as the AQI began inching towards 450, or the “severe+” category, on Saturday.
The strictest pollution curbs under Graded Response Action Plan (GRAP-4) have been reimposed in Delhi-NCR as the AQI began inching towards 450, or the “severe+” category, on Saturday.