Identification of sources of air pollution on a real time basis has now started in Delhi: CM Arvind Kejriwal

  • Delhi Government & IIT Kanpur’s Real Time Source Apportionment Study is helping Delhi with pollution related data in a proactive manner
  • Have ordered officials to immediately take action to reduce pollution based on study’s findings
  • Delhi Government will place the analysis before CAQM so Centre too can act upon the problem
India
healthysoch
New Delhi, December 23, 2022:
Committed towards its resolve of fighting against pollution, the CM Shri Arvind Kejriwal led Delhi Government has been making rigorous efforts to identify and tackle all possible sources of pollution in the state. The government has deployed extremely high-tech and data driven projects upon the cause of studying Delhi’s pollution levels. In this vein, Chief Minister Shri Arvind Kejriwal on Friday reviewed the progress of the ‘Real-time Source Apportionment Project’. The project has been undertaken by the Delhi Pollution Control Committee (DPCC) in collaboration with the Indian Institute of Kanpur (IIT-K), Indian Institute of Delhi (IIT-D) and TERI. The project, aimed at identifying the sources of Delhi’s pollution on a real time basis. The Real-time Source Apportionment Study consists of a Supersite with state-of-the-art air analysers and a mobile air quality monitoring system, which will measure the level of various substances in the air above Delhi.
Talking about the study, the CM stated, “Identification of sources of air pollution on a real time basis has now started in Delhi. Delhi Government & IIT Kanpur’s Real Time Source Apportionment Study is helping Delhi with pollution related data in a proactive manner. We have ordered officials to immediately take action to reduce pollution based on the study’s findings. Delhi Government will place the analysis before CAQM so Centre too can act upon the problem.”
The meeting was attended by Environment Minister Shri Gopal Rai, Advisor to Environment Minister Smt Reena Gupta, officers from Environment department and DPCC, and Prof. Mukesh Sharma, professor from IIT Kanpur leading the study and his team.
During the review meeting, the CM appreciated the progress made under the project. The team from IIT Kanpur informed that the secondary inorganic aerosols which travel long distance contribute to a large proportion of the air pollution mix, and biomass burning (wood, stubble etc.), vehicular emissions and dust (road and construction) are the other major sources of PM2.5 in the last one month. The team also showed hourly data on the sources of pollution in recent days and the direction from which external pollution may have reached Delhi.
On being apprised of different sources of pollution, CM Shri Arvind Kejriwal immediately instructed Environment department and Delhi Pollution Control Committee to start taking actions to identify sources and locations of pollution, and take all required steps immediately to control pollution. He also encouraged the DPCC and IIT Kanpur team to meet the Commission for Air Quality Management to share the findings. As an improvement, the CM also suggested that the IIT Kanpur team should attempt to provide a more detailed analysis of the real time sources, such as the type of vehicles causing pollution at different times and specific areas where biomass, including garbage, is being burnt, to help the government address the sources.
Shri Arvind Kejriwal said, “Addressing air quality in Delhi is a combined effort from multiple stakeholders. A state-of-the-art project that we conceptualised almost 2 years back has now started giving us rich data on a real time basis. I have asked Delhi Government officials to immediately take actions based on the study’s findings, as well as to share the analysis with the Commission for Air Quality Management (CAQM) for action by the  Government of India.”
The CM also tweeted about the development, saying, “Identification of sources of air pollution on a real time basis has now started in Delhi.  We’ve been working on this for quite some time. Today we reviewed in detail the ‘Real Time Source Apportionment Study’ being done by IIT Kanpur and understood the real time sources and data of pollution in Delhi.”
What is the Real-time Source Apportionment Study?
The Real-time Source Apportionment Study consists of a Supersite with state-of-the-art air analysers and a mobile air quality monitoring system, which will measure the level of various substances in the air above Delhi. Earlier in September, the CM had announced as part of this year’s Winter Action Plan that the start of the supersite would be one of the key components of Delhi’s fight against pollution.
The project include – identification of various sources of PM2.5 on a real time hourly basis, a 3-day hourly forecast of total PM2.5 as well as of different sources of PM2.5.  The data will help the government accurately identify the sources of pollution (such as vehicular exhaust, dust, biomass burning, and emissions from industries) on a real-time basis. The supersite data will also help forecast air pollution levels on an hourly, daily, and weekly basis. These forecasts will enable the Delhi government to take proactive steps to curb pollution and allocate resources to ensure compliance with pollution control norms. The findings will further be supplemented by a mobile van which will capture air pollution readings and sources from each corner of Delhi.
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