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New Delhi, Jul 18: The Covid-19 lockdown-led reduction in air pollution levels across five Indian cities, including Delhi and Mumbai, may have prevented about 630 premature deaths, and saved USD 690 million in health costs in the country, according to a new study.

Scientists, including those from the University of Surrey in the UK, assessed the levels of harmful fine particulate matter (PM2.5) from vehicles and other sources in five Indian cities -- Delhi, Mumbai, Kolkata, Chennai and Hyderabad -- since the beginning of the lockdown period.

The study, published in the journal Sustainable Cities and Society, compared these lockdown PM2.5 figures from 25 March up until 11 May, with those from similar periods of the preceding five years, and found that the measure reduced pollution levels in all these places.

According to the scientists, during this period, the levels of these harmful air pollutants reduced by 10 per cent in Mumbai, and by up to 54 per cent in Delhi.

"The percentage reduction for the other cities ranged from 24 to 32 per cent, which was slightly smaller than the measured values for Delhi and Mumbai," the scientists noted in the study.

"While the reduction in PM2.5 pollution may not be surprising, the size of the reduction should make us all take notice of the impact we have been having on the planet," said Prashant Kumar, a co-author of the study from the University of Surrey.

The scientists said these reductions in PM2.5 were comparable to those reported in other cities across the world, such as in Austria's capital Vienna (60 per cent), and Shanghai (42 per cent) in China.

They also calculated the monetary value of the reduced mortality due to air pollution and found that the lowered levels of PM2.5 may have saved 630 people from premature death, and USD 690 million in health costs in India.

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According to the researchers, the present lockdown situation offers observational opportunities regarding potential control systems and regulations for improved urban air quality.

They said an integrated approach might help in understanding the overall impacts of Covid-19 lockdown-style interventions and support the implementation of relevant policy frameworks.

"This is an opportunity for us all to discuss and debate what the 'new normal' should look like - particularly when it comes to the quality of the air we breathe," Kumar said.

New Delhi, Apr 14: Prime Minister Narendra Modi has announced the extension of a nationwide lockdown till May 3 to contain the spread of Covid-19 as the number of novel coronavirus cases surged past 10,000-mark on Tuesday. Hinting at partial relief, however, the Prime Minister said there could be some relaxations after April 20 in places where there is no hotspot.

Lockdown 2.0 will come into force from April 14 till May 3, PM Modi said in a televised address to the nation on Tuesday. The 19-day extension of the lockdown till May 3 is an attempt to contain the spread of novel coronavirus which has affected over 10,000 people in India. 

Even before #COVID19 cases touched 100, India made it compulsory for foreign returnees to remain in 14 days isolation. We imposed 21-day lockdown when we had 550 cases: PM Narendra Modi https://t.co/qi8MgG8qPQ

— ANI (@ANI) April 14, 2020
PM Modi said the Centre will closely monitor hotspots in states across India and added that those areas where there are no hotspots will get partial relief. “Till April 20, all districts, localities, states will be closely monitored, as to how strictly they are implementing norms. States where hotspots are contained could be allowed to resume some important activities, but with certain conditions,” the PM said.

The Prime Minister, in his address to India on Tuesday, began by lauding the efforts of Indians in the fight against novel coronavirus. “Covid-19 is spreading fast but India’s fight against coronavirus is going strong. It is because of your efforts that we are able to put up a fight,” the PM said as he thanked people for their co-operation.

PM Modi said, “People have gone through hardships to save India. I know how many difficulties you faced. I respectfully bow to the people of India for their sacrifice.”

The national lockdown first came into force from March 25 when the PM took an unprecedented measure in the fight against Covid-19. The lockdown was scheduled to end today.

STATES PUSHED FOR LOCKDOWN 2.0

The decision to extend the lockdown followed after a broad consensus emerged that the national lockdown should be extended by at least two weeks following a meeting between PM Modi and state chief ministers on Saturday.

It was reportedly after this meet with the Prime Minister that it was decided that the nationwide lockdown will be extended to tackle the spread of Coivid-19. The extension request from states came despite concerns that the shutdown will put millions out of work.

PM has taken correct decision to extend lockdown. Today, India’s position is better than many developed countries because we started lockdown early. If it is stopped now, all gains would be lost. To consolidate, it is imp to extend it

— Arvind Kejriwal (@ArvindKejriwal) April 11, 2020
"If it is stopped now, all gains would be lost. To consolidate, it is imp (important) to extend it," Arvind Kejriwal had written on Twitter after the meeting while he added that PM Modi had "taken (a) correct decision to extend (the) lockdown”.

Several states had, however, pushed for resumption of some economic activities like in the farming sector in areas where no cases of the novel coronavirus have been reported.

ALL THAT HAS HAPPENED TILL NOW

Prime Minister Narendra Modi first addressed an anxious nation on March 19 as the coronavirus pandemic emerged as a serious concern for the country. In his televised address, the PM asked the people to observe ‘Janata Curfew’ for March 22.
The Prime Minister urged Indians to remain indoors as much as possible as he suggested ways to battle the coronavirus pandemic.

On March 24, the Prime Minister came back and announced a 21-day lockdown across the country. In his second address, PM Modi said the step was taken as it was the only way to break the chain of infection. The lockdown was to be in effect till April 14.

PM Modi later asked citizens to make noise at 5 pm to show their appreciation for medics, nurses and sanitation workers. This call was well received as Indians came out to clap, clang metal vessels and ring bells to cheer workers battling the spread of the coronavirus.

Ten days into the lockdown, the Prime Minister addressed the nation again and asked people to light candles, lamps and hold mobile phone torches for nine minutes from 9 pm on April 5 to demonstrate a collective will to fight coronavirus.

As of Tuesday morning, the death toll due to coronavirus has climbed to 339 with over 50 deaths within 24 hours. The number of cases in the country, meanwhile, had crossed the 10,000-mark, according to the Union Health Ministry. Over a thousand have been cured and discharged.