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106 Deaths Per Lakh Population In Delhi Attributable To PM2.5 Pollution: Report

The Air Quality and Health in Cities report by the State of Global Air Initiative summarizes data on air pollution exposures and associated health impacts in 7,239 cities (with minimum population of 50,000) from 2010 to 2019

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The burden on health of PM2.5 has grown rapidly in cities in Southeast Asia: Report

New Delhi: Delhi and Kolkata reported 106 and 99 deaths per 1 lakh population in 2019 which could be attributed to PM2.5 pollution, according to a new report published by US-based Health Effects Institute on Wednesday. In 2019, Delhi recorded an annual average PM2.5 concentration of 110 microgram per cubic metre, the highest among the most-populous cities in the world, followed by Kolkata (84 microgram per cubic metre), said the report “Air Quality and Health in Cities” by the State of Global Air Initiative, a collaboration between the Health Effects Institute and the Institute for Health Metrics and Evaluation’s Global Burden of Disease project.

The report summarizes data on air pollution exposures and associated health impacts in 7,239 cities (with minimum population of 50,000) from 2010 to 2019. It combines ground-based air quality data with satellites and models to produce air quality estimates for cities around the world.

Also Read: PM2.5, PM10 Levels Were Above Safe Limit In Delhi Throughput Summer: Report

PM2.5 refers to fine particles (measuring 2.5 µm or less in diameter) that penetrate deep into the body and fuel inflammation in the lungs and respiratory tract, leading to the risk of having cardiovascular and respiratory problems, including a weak immune system.

Beijing in China had the highest PM2.5-attributable death rate of 124 in 2019. Delhi and Kolkata ranked sixth and eighth, respectively.

The report said the burden on health of PM2.5 has grown rapidly in cities in Southeast Asia.

Of 7,239 cities analysed, all the 20 cities with the largest increase in PM2.5-attributable death rates from 2010 to 2019 are located in Southeast Asia, including 19 cities in Indonesia and one in Malaysia. All 20 cities reported increase of more than 10 microgram per cubic metre in PM2.5 exposures in 2019 compared with 2010, it said.

Also Read: Air Pollution Is Reducing Life Expectancy In India By 5 Years And In Delhi By 10 Years: Study

In 2019, 1.7 million deaths linked to PM2.5 exposure occurred in the 7,239 cities, with cities in Asia, Africa, and Eastern and Central Europe seeing the greatest health impacts.

The report said geographic patterns of nitrogen dioxide (NO2) pollution are strikingly different from the patterns seen for PM2.5 pollution.

PM2.5 pollution tends to be highest in cities in low and middle-income countries, whereas NO2 levels are high in large cities across countries of all income levels.

Almost all of the most populous cities (81 out of 103 cities) reported NO2 exposures higher than the global average of 15.5 microgram per cubic metre.

At 41.6 microgram per cubic metre, Shanghai in China had the highest population-weighted annual average NO2 exposures in 2019, it said.

NO2 comes mainly from the burning of fuels often in older vehicles, power plants, industrial facilities, and residential cooking and heating. As city residents tend to live closer to busy roads with dense traffic, they are often exposed to higher NO2 pollution than residents of rural areas.

In 2019, 86 per cent of the 7,239 cities included in the report exceeded the WHO’s 10 microgram per cubic metre guideline for NO2, impacting about 2.6 billion people.

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Dr. Susan Anenberg of George Washington University, one of the project collaborators, said,

Since most cities around the world have no ground-based air quality monitoring in place, estimates of particulate and gas pollution levels can be used to plan air quality management approaches that ensure the air is clean and safe to breathe.

The report also highlighted data gaps in low- and middle-income nations, a key aspect to understanding and addressing the health effects of air pollution.

According to the WHO’s Air Quality Database, only 117 nations currently have ground-level monitoring systems to track PM2.5, and only 74 nations are monitoring NO2 levels.

Strategic investments in ground-level air quality monitoring systems and expanded use of satellites and other emerging technologies in targeted regions can provide critical first steps toward cleaner air.

(Except for the headline, 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 diahorrea and the country can become a Swasth or healthy India.


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