Delhi AQI: The Air Quality Index (AQI) in Delhi has started to deteriorate with the approaching winters. Delhi’s air quality has sharply dropped ahead of Diwali, with the AQI rising above 200 on Tuesday, October 14. This marked the first significant decline in air quality since June, 2025. In response, GRAP-1 (Graded Response Action Plan) restrictions have been implemented to help curb pollution and protect public health during this period.
As winter approaches, the city is witnessing a significant rise in pollution levels, a common trend due to various factors such as increased vehicle emissions, industrial activity, and seasonal changes like crop burning in nearby regions. The cooler weather and calm winds during this time of year further contribute to the trapping of pollutants closer to the ground, worsening air quality.
Delhi AQI on Thursday, October 16
On the morning of Thursday, October 16, at 9 am, Delhi recorded an Air Quality Index (AQI) of 237, indicating a “poor” level of air quality, according to the Central Pollution Control Board (CPCB).
AQI across Delhi
Wazirpur (337), Anand Vihar (335), Dwarka-Sector 8 (335), Jahangirpuri (299), Mundka (297), Rohini (264), Patparganj (242), R K Puram (230), Shadipur (214), Vivek Vihar (264), Ashok Vihar (253), Bawana (281), Chandni Chowk (284), ITO (233).
Delhi AQI: Air quality forecast for next two days
According to Air Quality Early Warning System For Delhi, the air quality is very likely to be in the poor category from October 16 to October 18, 2025.
The outlook for the subsequent 6 Days: The air quality is likely to be in the poor category becoming very poor category during October 20-21.
Delhi AQI: GRAP 1 measures in effect
As the sharp increase in AQI poses health risks, especially for vulnerable groups such as children, the elderly, and those with respiratory issues. Authorities have been urged to strengthen environmental measures and implement stricter pollution control strategies to combat deteriorating air quality levels. Stage I of the (GRAP has been implemented in Delhi-NCR on October 14. This stage includes preventive and restrictive measures aimed at curbing further deterioration of air quality. The enforcement of GRAP Stage I highlights the growing pollution concerns in the region.
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