GRAP 3 anti-pollution restrictions in Delhi: What will be open, what's banned? Amid worsening air quality in Delhi-NCR, the Centre has implemented Stage III anti-pollution measures. The order also said that the Stage-III curbs were in addition to the restrictions under Stage-I and Stage-II of GRAP . The Sub Committee on GRAP has reinstated Stage-III ('Severe' Air Quality) actions in Delhi-NCR due to worsening air quality, with AQI at 299. Restrictions include bans on non-essential construction work, certain diesel vehicles, and shifting classes up to grade V to hybrid mode. These measures aim to combat poor air quality conditions in the national capital. Delhi braces itself for tougher pollution controls as GRAP 3 kicks in to combat hazardous air quality. These measures aim to address the alarming rise in pollution and safeguard public health through stringent restrictions.