News

36% of Delhi’s winter bad air is its own doing: Study

17 Aug 2018
| The Times of India

Delhi may be responsible for just 26% of its PM2.5 (microscropic, respirable particles) pollution, a new study released has revealed. This figure goes up to 36% in the winter months. Most of the pollution in this category are attributed to upwind regions beyond the city. These are the findings of the source-apportionment study jointly carried out by TERI and Automotive Research Association of India (ARAI) to derive sectorial contributions to air pollution in Delhi and NCR. Data for the study

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From Oman to NCR towns, 74% of Delhi’s pollution comes from outside: Study

17 Aug 2018
| Hindustan Times

At least 74% ultrafine particles (PM2.5) in Delhi's air come from outside the city during summers, a study by TERI has found. They come from NCR towns located further north or west of Delhi and beyond even from as far as Pakistan, Afghanistan and Oman. Delhi also contributes to 40% pollution in Noida and 15% in Gurugram during winter. The two satellite towns are located in Delhi's downwind path. Panipat is located on the upwind path of Delhi and receives only 1% pollution from Delhi. TERI

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Discussion paper recommending nationwide clean air mission framework launched

16 Jan 2018
| India Today

A discussion paper launched at the first day of the World Sustainable Development Summit 2018 has recommended a nationwide clean air mission framework to meet the prescribed annual average ambient air quality standards. The summit, organised by TERI, brings together global stakeholders and decision makers with participation from over 41 countries. The paper offers a comprehensive roadmap to identify sources of emissions mapped by sectors across India and to find sustainable solutions for

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Cyber City junction is more polluted than IFFCO Chowk: TERI study

05 Jan 2018
| NYOOZ

Air at Shankar Chowk, the traffic junction of Cyber City, was found to be the city's most polluted, according to a survey conducted by TERI during the last week of November 2017. The Gwalpahari junction was the least polluted among the three sites TERI studied. The survey was conducted at three areas - Cyber City, Gwalpahari and IFFCO Chowk.

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Exemptions could reduce efficacy of odd-even scheme

09 Nov 2017
| PTI News

In a statement, Mr Sumit Sharma, Associate Director, Earth Science and Climate Change Division, TERI, said that odd-even has limited potential for reducing pollution in Delhi. As per TERI estimates, it led to reduction of four to seven per cent last year. TERI recommends its use for limited period only during air quality emergency conditions. Exemptions given in the scheme could further reduce its effectiveness, Mr Sharma said.

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Apex court re-imposes ban on cracker sales in Delhi-NCR

09 Oct 2017
| The Hindu Business Line

The Supreme Court has re-imposed the ban on sale of fireworks in Delhi-NCR, saying there was "direct evidence of deterioration of air quality" every year during Diwali on account of bursting of crackers. According to Dr Ajay Mathur, Director-General of TERI, the order will play a crucial role in regulating air pollution in the region and reduce the impact on human health. The ban will ensure that the levels of air pollutants do not reach as high as they did last year around Diwali.

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ARAI, TERI study ambient air quality in Delhi and NCR

23 May 2017
| Mint

The Automotive Research Association of India (ARAI) and TERI are conducting an ambient air quality study to identify sources of pollution in Delhi and the National Capital Region (NCR). Commissioned by the ministry of heavy industries last year, the study, expected to be concluded by August, is the first-of-its-kind in terms of scope and takes into account sources of pollution not just in Delhi but the entire NCR. The study has monitored air quality at 20 locations in the NCR. The study will

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Negligible fall in Delhi pollution after odd-even formula, shows new study

11 May 2017
| Hindustan Times

The odd-even vehicle restriction scheme introduced in Delhi for the first time in January 2016 could reduce pollution level by just around 2-3%. The study was done by a six member team of scientists from IIT-Delhi, IIT-Kanpur, Indian Institute of Tropical Meteorology in Pune, Environmental and Biomedical Metrology division of the Council of Scientific and Industrial Research and TERI.

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