Assam's Byrnihat tops global pollution list; Delhi most polluted capital: Report
New Delhi (PTI): Thirteen of the world's top 20 most polluted cities are in India, with Byrnihat in Assam topping the list, according to a new report published on Tuesday.
The World Air Quality Report 2024 by Swiss air quality technology company IQAir said Delhi remains the most polluted capital city globally, while India ranked as the world's fifth most polluted country in 2024, down from third in 2023.
The report said India saw a 7 percent decline in PM2.5 concentrations in 2024, averaging 50.6 micrograms per cubic metre, compared to 54.4 micrograms per cubic metre in 2023. Yet, 13 of the world's 20 most polluted cities are in India.
Air pollution in Delhi worsened, with the annual average PM2.5 concentration rising from 102.4 micrograms per cubic metre in 2023 to 108.3 micrograms per cubic metre in 2024.
The Indian cities in the world's top 20 most polluted cities are Byrnihat, Delhi, Punjab's Mullanpur, Faridabad, Loni, Gurugram, Ganganagar, Greater Noida, Bhiwadi, Muzaffarnagar, Hanumangarh and Noida.
Overall, 35 percent of the Indian cities reported annual PM2.5 levels exceeding 10 times the WHO limit of 5 micrograms per cubic metre, the report said.
The high level of pollution in Byrnihat, a town on the border of Assam and Meghalaya, is due to emissions from local factories, including distilleries, iron and steel plants.
Delhi grapples with high air pollution year-round and the problem worsens in winter when unfavourable meteorological conditions, combined with vehicular emissions, paddy-straw burning, firecrackers and other local pollution sources, make the air quality hazardous.
Air pollution remains a serious health risk in India, reducing life expectancy by an estimated 5.2 years.
According to a Lancet Planetary Health study published last year, about 1.5 million deaths in India every year from 2009 to 2019 were potentially linked to long-term exposure to PM2.5 pollution.
PM2.5 refers to tiny air pollution particles smaller than 2.5 microns, which can enter the lungs and bloodstream, leading to breathing problems, heart disease and even cancer. Sources include vehicle exhaust, industrial emissions and the burning of wood or crop waste.
Former WHO chief scientist and health ministry advisor Soumya Swaminathan said India has made progress in air quality data collection but lacks sufficient action.
"We have the data; now we need action. Some solutions are easy like replacing biomass with LPG. India already has a scheme for this, but we must further subsidise additional cylinders. The first cylinder is free, but the poorest families, especially women, should receive higher subsidies. This will improve their health and reduce outdoor air pollution," she told PTI in an interview.
In cities, expanding public transport and imposing fines on certain cars could help. "A mix of incentives and penalties is necessary," she said.
"Finally, strict enforcement of emission laws is crucial. Industries and construction sites must comply with regulations and install equipment to cut emissions instead of taking shortcuts," the former director general of the Indian Council of Medical Research added.
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NATO, others turn down US call for help in Hormuz: Trump
Washington (PTI): President Donald Trump on Tuesday said NATO and most of US' other allies have rejected his calls to help secure the Strait of Hormuz as the war with Iran entered the third week.
In a social media post, Trump asserted that Iran’s military has been “decimated” and he no longer felt the need for assistance from NATO countries or anyone else.
Last week, Trump had sought help from European nations and others who depend on oil supplies transiting from the Hormuz Strait to safeguard the critical waterway.
“The United States has been informed by most of our NATO “Allies” that they don’t want to get involved with our Military Operation against the Terrorist Regime of Iran, in the Middle East, this, despite the fact that almost every Country strongly agreed with what we are doing, and that Iran cannot, in any way, shape, or form, be allowed to have a Nuclear Weapon,” the US President said in a post on Truth Social.
Iran's attacks on Gulf nations and its grip on the Strait of Hormuz, through which a fifth of the world's oil is transported, have sparked increasing concerns of a global energy crisis and are unnerving the world economy.
“I am not surprised by their action, however, because I always considered NATO, where we spend Hundreds of Billions of Dollars per year protecting these same Countries, to be a one-way street — We will protect them, but they will do nothing for us, in particular, in a time of need,” Trump said.
He said Australia, Japan and South Korea too have turned down his call for help.
“Fortunately, we have decimated Iran’s Military – Their Navy is gone, their Air Force is gone, their Anti-Aircraft and Radar is gone and perhaps, most importantly, their Leaders, at virtually every level, are gone, never to threaten us, our Middle Eastern Allies, or the World, again,” Trump said.
He said that given the scale of recent military successes, the US no longer "need" or desires assistance from NATO countries, adding that it never relied on such support in the first place.
Speaking as President of the United States, the "most powerful" country in the world, "we do not need" help from anyone, Trump said.
The West Asia conflict began on February 28 when the US-Israeli combine conducted airstrikes on Iran.
The Strait of Hormuz, the narrow waterway that connects the Persian Gulf to the open ocean, has effectively been shut following the US and Israel attack on Iran and Tehran's sweeping retaliation.
However, Iranian Foreign Minister Abbas Araghchi had said that from Tehran's "perspective", the strait is "open". "It is only closed to Iran's enemies, to those who carried out unjust aggression against our country and to their allies.”
Earlier in the day, a second Indian-flagged LPG tanker, Nanda Devi, reached the country after safely sailing from the war-hit Strait of Hormuz. On Monday, the first ship, Shivalik, reached Mundra port in Gujarat.
As of now, 22 Indian vessels remain on the west side and two on the east side of the strait.
Indian authorities are in constant touch with all the relevant stakeholders in the region to secure the safe passage of the remaining ships, officials said.
