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Washington, Apr 23: Air pollution over northern India has plummeted to a 20-year-low for this time of the year, according to satellite data published by US space agency National Aeronautics and Space Administration (NASA).
The US space agency's satellite sensors observed aerosol levels at a 20-year low post the countrywide lockdown, implemented to slow the spread of the novel coronavirus.

"We knew we would see changes in atmospheric composition in many places during the lockdown," said Pawan Gupta, a Universities Space Research Association (USRA) scientist at NASA''s Marshall Space Flight Center. "But I have never seen aerosol values so low in the Indo-Gangetic Plain at this time of year," added Mr Gupta.

Acting Assistant Secretary of State for South and Central Asia Alice G Wells tweeted, "These images from NASA were taken each spring starting in 2016 and show a 20-year low in airborne particle levels over India. When India and the world are ready to work and travel again, let's not forget that collaborative action can result in cleaner air."

The data published with maps show aerosol optical depth (AOD) in 2020 compared to the average for 2016-2019. Aerosol optical depth is a measure of how light is absorbed or reflected by airborne particles as it travels through the atmosphere.

If aerosols are concentrated near the surface, an optical depth of 1 or above indicates very hazy conditions. An optical depth, or thickness, of less than 0.1 over the entire atmospheric vertical column is considered "clean." The data were retrieved by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Terra satellite.

In the first few days of the lockdown, it was difficult to observe a change in the pollution signature. "We saw an aerosol decrease in the first week of the shutdown, but that was due to a combination of rain and the lockdown," said Mr Gupta.

Around March 27, heavy rain poured over vast areas of northern India and helped clear the air of aerosols. Aerosol concentrations usually increase again after such heavy precipitation.

"After the rainfall, I was really impressed that aerosol levels did not go up and return to normal. We saw a gradual decrease and things have been staying at the level we might expect without anthropogenic emissions," Mr Gupta said.

On March 25, the Indian government placed its 1.3 billion citizens under a strict lockdown to reduce the spread of COVID-19. The countrywide mandate decreased activity at factories and severely reduced car, bus, truck and airplane traffic. Every year, aerosols from anthropogenic (human-made) sources contribute to unhealthy levels of air pollution in many Indian cities.

Aerosols are tiny solid and liquid particles suspended in the air that reduce visibility and can damage the human lungs and heart.

In southern India though, the story is a little hazier. Satellite data show aerosol levels have not yet decreased to the same extent. In fact, levels seem to be slightly higher than in the past four years. The reasons are unclear but could be related to recent weather patterns, agricultural fires, winds or other factors.

"This a model scientific experiment," Robert Levy, program leader for NASA's MODIS aerosol products, said about the lockdown and its effects on pollution.

"We have a unique opportunity to learn how the atmosphere reacts to sharp and sudden reductions in emissions from certain sectors. This can help us separate how natural and human sources of aerosols affect the atmosphere," Mr Levy added.

New Delhi, May 6: Around 39 crore people have received financial assistance of Rs 34,800 crore amid the COVID-19 lockdown under the Pradhan Mantri Garib Kalyan Package (PMGKP) as on May 5, the government said in a statement.

These people received the assistance, which was announced by Union Finance Minister Nirmala Sitharaman on March 26 to protect them from the impact of the lockdown due to COVID 19, via digital payment infrastructure.

The swift implementation of the free food grain and cash payment package under PMGKP is being continuously monitored by Central and state governments. Also, Fintech and digital technology have been employed for swift and efficient transfer to the beneficiary.

As per the data provided by the government, Rs 16,394 crore front-loaded towards payment of the first installment of PM-KISAN was provided to 8.19 crore beneficiaries.

Rs 10,025 crore credited to 20.05 crore (98.33 per cent) women Jan Dhan account holders as first installment and Rs 2,785 crore credited to 5.57 crore women in the second installment.

Further, Rs 1,405 crore was disbursed to about 2.82 crore old age persons, widows and disabled persons and Rs 3,492.57 crore financial support was given to 2.20 crore building and construction workers.

Moreover, foodgrain has been distributed, covering 60.33 crore beneficiaries in all 36 Union Territories and states till April and 12.39 crore beneficiaries by 22 states/UTs for May. Pulses have been distributed so far to 5.21 crore household beneficiaries out of 19.4 crore such beneficiaries.

Over 5 crore cylinders have been booked under the Pradhan Mantri Ujjwala Yojana (PMUY) and 4.82 crore free cylinders already delivered to beneficiaries.

While 9.6 lakh members of Employees' Provident Fund Organisation (EPFO) has taken benefit of online withdrawal of non-refundable advance from EPFO account amounting to Rs 2,985 crore, 24 per cent EPF contribution transferred to 44.97 lakh employees account amounting to Rs 698 crore.

In the current financial year, 5.97 crore person's man-days of work generated under MNREGA scheme and Rs 21,032 crore were released to states to liquidate pending dues of both wage and material.

Insurance scheme for health workers in government hospitals and health care centres has been operationalised by New India Assurance covering 22.12 lakh health workers.

New Delhi, Apr 23: Union Information and Broadcasting Minister, Prakash Javadekar, on Thursday condemned the attack on Republic TV editor-in-chief Arnab Goswami saying that this is "against democracy".

"We condemn the attempt to attack renowned journalist Arnab Goswami. Essentially, we condemn every attack on any journalist. Because this is against democracy," the Union Minister said.

"It is really ironical that those who preach tolerance have become so intolerant. Therefore, we condemn this attempt. We appeal to the collective wisdom that this is undemocratic. As per present law, definitely, police takes action, if there is a complaint," said Javadekar.

Two persons were arrested on Thursday morning for allegedly attacking Republic TV editor-in-chief Arnab Goswami and his wife Samyabrata Ray in Mumbai.