The on Friday revoked emergency measures under stage 3 of the Graded Response Action Plan in the National Capital Region as the air quality improved due to incessant rainfall.

“Owing to the favourable meteorological conditions and continuous rains since early morning [on Friday], the AQI [air quality index] of Delhi has been continuously improving and has been recorded as 348 at 5.00 PM and 341 at 6.00 PM & 334 at 7.00 PM,” the air quality panel said in a statement on Friday.

However, air pollution control measures under stage 1 and stage 2 of the revised GRAP shall remain in place and be implemented, monitored and reviewed to ensure that the air quality index does not increase again, the statement added.

The GRAP is a set of incremental anti-pollution measures that are triggered to prevent the further worsening of air quality once it reaches a certain threshold in the National Capital Region.

includes a shutdown of all demolition work as well as mining and stone-crushing activities in the National Capital Region. It also mandates a ban on the operation of Bharat Stage emission standards III petrol and BS IV diesel light motor vehicles in Delhi.

While stage...