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Vehicles Contributed Half Of PM 2.5 Pollution From Local Sources In Delhi Around Diwali: CSE Report

The CSE report indicated all combustion sources, including vehicles, peripheral industries, the energy sector, waste burning and residential cooking, have a higher share than the dust sources that include construction and road dust

Why Delhi Struggles With Poor Air Quality Every Winter?
According to CSE's indicative data, vehicles' daily share of pollution varied between 49.3 per cent and 53 per cent during the week of Diwali.

New Delhi: Vehicular emission contributed half of PM 2.5 pollution from local sources in Delhi during the Diwali week between October 21 and October 26, according to the latest assessment by the Centre for Science and Environment (CSE). It said that when pollution concentrations from all sources — local, NCR and beyond — are added, Delhi’s vehicles account for nearly 17 per cent of total PM2.5 concentration. But, according to CSE’s indicative data, vehicles’ daily share of pollution varied between 49.3 per cent and 53 per cent during the week of Diwali.

Principal programme manager at CSE’s Clean Air and Sustainable Mobility unit Vivek Chattopadhyay said,

The vehicular contribution was followed by household pollution (residential) at 13 per cent, industries at 11 per cent, construction at 7 per cent, waste burning and the energy sector at 5 per cent each, and road dust and other sources at 4 per cent each. This observation is consistent with the trends evaluated during the previous winter in Delhi.

Also Read: Delhi Air Pollution: Stress Is On Seasonal Action, Not Yearlong Collective Effort, Say Environmentalists

The CSE report indicated all combustion sources, including vehicles, peripheral industries, the energy sector, waste burning and residential cooking, have a higher share than the dust sources that include construction and road dust.

The report has used the decision support system (DSS) of Indian Institute of Tropical Meteorology (IITM), which has provided the information on potential emission sources in Delhi.

The CSE assessment stated,

With high traffic on pre-Diwali days, average speed plummeted to 27 km per hour against the design standard of 60 km per hour or regulated speed of 40 km per hour. On some stretches this reduced to 17 km per hour. Nitrogen dioxide coming largely from vehicles correlates well with traffic peaks and congestion though dispersion helped to dilute it in the afternoons.

The organisation said that despite vehicles becoming the “top polluter”, action on transport remains “the weakest”.

It further stated that public transport augmentation and integration is needed, along with electrification of fleet, walking and cycling infrastructure, low emissions zones and vehicle restraint measures such as parking caps and pricing.

Also Read: Delhi Sees Over 50% Decline In PM2.5, PM10 levels This Diwali Compared To Last Year

(This story has not been edited by NDTV staff and is published from a syndicated feed.)

NDTV – Dettol have been working towards a clean and healthy India since 2014 via the Banega Swachh India initiative, which is helmed by Campaign Ambassador Amitabh Bachchan. The campaign aims to highlight the inter-dependency of humans and the environment, and of humans on one another with the focus on One Health, One Planet, One Future – Leaving No One Behind. It stresses on the need to take care of, and consider, everyone’s health in India – especially vulnerable communities – the LGBTQ populationindigenous people, India’s different tribes, ethnic and linguistic minorities, people with disabilities, migrants, geographically remote populations, gender and sexual minorities. In wake of the current COVID-19 pandemic, the need for WASH (WaterSanitation and Hygiene) is reaffirmed as handwashing is one of the ways to prevent Coronavirus infection and other diseases. The campaign will continue to raise awareness on the same along with focussing on the importance of nutrition and healthcare for women and children, fight malnutrition, mental wellbeing, self care, science and health, adolescent health & gender awareness. Along with the health of people, the campaign has realised the need to also take care of the health of the eco-system. Our environment is fragile due to human activity, which is not only over-exploiting available resources, but also generating immense pollution as a result of using and extracting those resources. The imbalance has also led to immense biodiversity loss that has caused one of the biggest threats to human survival – climate change. It has now been described as a “code red for humanity.” The campaign will continue to cover issues like air pollutionwaste managementplastic banmanual scavenging and sanitation workers and menstrual hygiene. Banega Swasth India will also be taking forward the dream of Swasth Bharat, the campaign feels that only a Swachh or clean India where toilets are used and open defecation free (ODF) status achieved as part of the Swachh Bharat Abhiyan launched by Prime Minister Narendra Modi in 2014, can eradicate diseases like diarrhoea and the country can become a Swasth or healthy India.

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