India, Jan. 2 -- The Commission for Air Quality Management (CAQM) on Friday revoked Stage-III measures of the Graded Response Action Plan (GRAP) across the National Capital Region after a marked improvement in Delhi's air quality.

According to an official press update, Delhi's Air Quality Index (AQI), which stood at 380 a day earlier, dropped sharply to 236 by 4 pm on January 2, indicating a consistent downward trend. Taking note of the improvement, the CAQM sub-committee on GRAP decided to withdraw all restrictions mandated under Stage-III with immediate effect across the NCR.

However, the update clarified that preventive and regulatory actions prescribed under GRAP Stages I and II will continue to remain in force to ensure that air qu...