By: Express Web DeskUpdated: November 12, 2025 07:22 AM IST 2 min readDelhi government imposed Stage 3 of the Graded Response Action Plan (GRAP) across Delhi-NCR in response to the worsening air qualityOn November 11, the Delhi government imposed Stage 3 of the Graded Response Action Plan (GRAP) across Delhi-NCR in response to the worsening air quality. It also announced the closure of schools up to Class 5 and directed all government, private, and unaided schools to operate in hybrid mode.According to Central Pollution Control Board (CPCB) data, Delhi-NCR continued to record ‘severe’ air quality levels. As of 7 am, the ten most polluted areas were Wazirpur (458), Bawana (451), Chandni Chowk (449), Jahangirpuri (446), Mundka (444), Rohini (442), Nehru Nagar (440), Ashok Vihar (439), Burari Crossing (439), and Anand Vihar (438).In a statement earlier in the day, the CAQM said, “The AQI of Delhi which was recorded as 362 on November 10, exhibited a sharp increasing trend and has been recorded 425 at 9 am on November 11 owing to calm winds, stable atmosphere and unfavourable meteorological conditions.”Here are the AQI levels recorded at 10 of the 39 monitoring stations across Delhi:Sl noMonitoring StationsAQI1Vivek Vihar4362ITO4333R K Puram4314North Campus, DU4295Mandir Marg4136Sirifort4007Najafgarh3888IGI Airport (T3)3959Lodhi Road30410Burari Crossing439GRAP is a set of emergency measures that kick in to prevent further deterioration of air quality once it reaches a certain threshold. Stage 1 of GRAP is activated when the AQI is in the ‘poor’ category (201 to 300). The second, third and fourth stages are activated three days ahead of the AQI reaching the ‘very poor’ category (301 to 400), ‘severe’ category (401 to 450) and ‘severe +’ category (above 450) respectively.Stay updated with the latest - Click here to follow us on Instagram© IE Online Media Services Pvt Ltd