Delhi Air Quality Update: GRAP Measures Adjusted
As of today, Delhi’s average Air Quality Index (AQI) stands at 165, categorized as “Moderate,” according to the daily AQI Bulletin released by the Central Pollution Control Board (CPCB). This figure marks a significant improvement in air quality, especially when compared to previous weeks. The Commission for Air Quality Management (CAQM) has been closely monitoring the situation and has previously invoked various stages of the Graded Response Action Plan (GRAP) in response to deteriorating air quality. These actions were taken on October 14, October 21, November 14, and November 17 of this year.
The Supreme Court of India has played a crucial role in guiding these measures. In its order dated November 18, 2024, the court stated that Stage IV of GRAP would remain in effect until further notice, even if the AQI dropped below 450. However, during a recent hearing, the court allowed the Commission to revoke Stage IV but mandated that the air quality measures should not fall below Stage II. This decision reflects the ongoing concern regarding air pollution in the capital and the need for effective management strategies.
Review of Air Quality Measures
In a meeting held today, the CAQM Sub-Committee reviewed the air quality conditions and meteorological forecasts provided by the Indian Meteorological Department (IMD) and the Indian Institute of Tropical Meteorology (IITM). The committee noted that the AQI in Delhi has shown continuous improvement since November 24, 2024. The current reading of 165 is significantly lower than the threshold for invoking Stage II, which is set at an AQI of 301-400.
Despite this positive trend, the IMD/IITM forecasts indicate that the AQI may remain in the “poor” category in the coming days. The Sub-Committee emphasized the importance of maintaining vigilance and monitoring air quality closely. Given the potential for fluctuations in air quality, the committee decided to revoke the more stringent Stage IV and Stage III measures across the National Capital Region (NCR) while retaining Stage II and Stage I actions. This decision aims to balance public health concerns with the need for normalcy in daily activities.
Implementation of GRAP Stages I and II
With the revocation of Stage IV and Stage III, the focus now shifts to implementing and monitoring the remaining stages of the GRAP. Actions under Stage II and Stage I will continue to be enforced rigorously across the NCR. All relevant agencies are tasked with ensuring that AQI levels do not deteriorate further. This includes intensifying measures to control pollution from construction and demolition activities, as well as monitoring industrial units that have previously faced closure due to non-compliance with environmental regulations.
The Sub-Committee has also issued a reminder to citizens about the importance of adhering to the citizen charter during this winter season. Weather conditions can be unpredictable, and public cooperation is essential in maintaining air quality. The committee will continue to monitor the situation closely and will make further adjustments to the GRAP as necessary, based on real-time air quality data and forecasts.
Future Monitoring and Public Awareness
The CAQM Sub-Committee is committed to keeping a close watch on the air quality scenario in Delhi. Regular reviews will be conducted to assess the effectiveness of the current measures and to determine if further actions are needed. The committee will rely on data from the IMD and IITM to inform its decisions.
Public awareness is also a critical component of managing air quality. Citizens are encouraged to stay informed about the air quality index and to take personal measures to reduce pollution, such as using public transportation, reducing vehicle usage, and minimizing outdoor activities during high pollution days. The revised schedule of GRAP measures is available on the Commission’s website, ensuring that the public has access to the latest information.
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