The Commission for Air Quality Management in Delhi and NCR region has revoked Stage II of the Graded Response Action Plan (GRAP) with immediate effect. The decision was taken after the improvement of the Air Quality Index (AQI) level in the national capital. The AQI was recorded at 212 at 7 PM today. The Commission has said that action under Stage 1 of GRAP will remain in force. CAQM has directed all the implementing agencies to maintain strict vigilance and intensify measures under Stage I.