Delhi-NCR's air quality deteriorated to ‘Very Poor’ just a day before Diwali, prompting authorities to impose Graded Response Action Plan (GRAP) Stage-II curbs across the region on Sunday, October 19.

According to an order issued by the Commission for Air Quality Management (CAQM), the sub-committee on GRAP held a meeting on Sunday (October 19) to review the air quality scenario in the region.

This prompted authorities to "invoke all actions under Stage-II ('Very Poor Air Quality) of the extant GRAP in the entire NCR, with immediate effect, in addition to the Stage-I actions already in force."

The CAQM had imposed GRAP Stage I on October 14. The action was taken after the AQI in the region dropped to 211, categorising it as 'poor', according to a statement released by the Commission.

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