The GRAP 3 curbs in Delhi include ban on demolition and construction activities, and entry of certain vehicles inside Delhi-NCR, among other curbs, to prevent further deterioration of air quality.

At 4 pm on Thursday, Delhi's average AQI was 424, and to prevent further deterioration, the sub- committee decided to invoke GRAP - III.

In response to deteriorating air quality, Delhi is implementing GRAP Stage 3 anti-pollution measures, including a halt on construction activities, diesel generator bans, and stricter pollution checks.