New Delhi, Jan. 20 -- The Commission for Air Quality Management (CAQM) on Tuesday revoked Stage 4 of the Graded Response Action Plan (GRAP) across Delhi-NCR amid slight improvement in the AQI levels.

However, measures under stages-1, 2 and 3 will remain in force to manage pollution levels.

The decision was taken in a meeting of the Sub-Committee on GRAP after noting the improvement in the AQI levels of Delhi.

"Owing to favourable meteorological conditions and increase in wind speed, AQI of Delhi has shown improvement and has been recorded as 378 ("Very Poor") today i.e. on 20.01.2026. Further, IMD/IITM forecast indicates AQI of Delhi to remain in this range in coming days. The Sub-Committee, accordingly, decides to revoke with immediat...