Dawood Ibrahim's aide Farooq Takla arrested by CBI in Dubai

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 24: New rules for domestic travel during the lockdown were released by the government today, including advising passengers to download the Aarogya Setu application on their mobile devices and asking states to ensure thermal screening at departure point of airports, railway stations and bus terminals. The guidelines were shared by Civil Aviation Minister Hardeep Singh Puri, who also shared new rules for international travel.

The minister had recently said that international flight operations may start by mid-June or end-July if the COVID-19 virus "behaves in a predictable manner".

"Prescribed clinical protocol will be followed in case any domestic or international traveller shows symptoms of COVID-19. States can also develop their own protocol for quarantine and isolation as per their own assessment," Mr Puri said.

The guidelines come a day before the resumption of air travel after nearly two-months hiatus following lockdown to prevent the spread of coronavirus.

The Indian Railways has also issued a list of 100 pairs of trains that it will operate from June 1, putting in operation popular trains such as Durontos, Sampark Krantis, Jan Shatabdis and Poorva Express.

Dos and Don'ts shall be provided along with tickets to travellers by agencies concerned, said the Health Ministry's guidelines for domestic travel (air/train/inter-state bus travel).

Latest guidelines on domestic & international travel have been issued by @MoHFW_INDIA.

I hope travellers strictly follow these self-regulatory norms & strengthen India's hands in this fight against COVID19. Remember, each one of us is a soldier against the pandemic.@MoCA_GoIpic.twitter.com/xVbTG1K44n

— Hardeep Singh Puri (@HardeepSPuri) May 24, 2020
Travellers shall give 14-day quarantine undertaking before boarding

The states and Union Territories shall ensure that all passengers undergo thermal screening at the point of departure and only asymptomatic passengers are allowed to board the flight, train or bus. Asymptomatic passengers, however, will be permitted to travel after they give an undertaking to self-monitor for 14 days, the ministry said.

Those having moderate or severe symptoms will be admitted to dedicated COVID health facilities and managed accordingly, the guidelines said.

Those having mild symptoms will be given the option of home isolation or isolated in the COVID Care Centre (both public and private facilities) as appropriate and tested as per ICMR protocol, they said.

"If positive, they will continue in COVID Care Centre and will be managed as per clinical protocol. If negative, the passenger may be allowed to go home, isolate himself/herself and self-monitor his/her health for further 7 days," the health ministry said.

In case, any symptoms develop they shall inform the district surveillance officer or the state or the national call centre (1075), it said.

Use of face covers, following respiratory hygine during travel

During boarding and travel, all passengers shall use face covers or masks and will also follow hand hygiene, respiratory hygiene and maintain environmental hygiene, the ministry said in its guidelines.

At airports, railway stations and bus terminals, required measures to ensure social distancing shall be taken, the guidelines said.

Airports, railway stations and bus terminals to be regularly sanitised

Airports, railway stations and bus terminals should be regularly sanitised or disinfected and the availability of soaps and sanitisers shall be ensured, the health ministry said.

The ministry said that states can also develop their own protocol with regards to quarantine and isolation as per their assessment.

Guidelines for International Travel

The guidelines for international travel include mandatory undertaking for quarrantine for 14 days. "Only for exceptional and compelling reasons such as cases of human distress, pregnancy, death in family, serious illness and parent(s) accompanied by children below 10 yrs, as assessed by the receiving states, home quarantine may be permitted for international travellers for 14 days," the Civil Aviation minister said.

Asymptomatic travelers will be allowed to board flight/ship

At the time of boarding the flight or ship, only asymptomatic travellers will be allowed to board after thermal screening, the health ministry said.. Passengers arriving through land borders will also have to undergo the same procedure, it said.

"Self-declaration form in duplicate shall be filled by the person in the flight/ship and a copy of the same will be given to Health and immigration officials present at the airport/seaport/landport. The form will be made available through the Aarogya Setu app," the new order said.

Passengers found to be symtomatic during screening shall be immediately isolated and taken to medical facility as per health protocol. "These passengers will be kept under institutional quarrantine for a minimum period of 7 days and should undergo necessary tests as per ICMR protocol," the guidelines said.

Sanitisation and disinfection must inside flights

Authorities must take adequate measures to such as environmental sanitation and disinfection at the airports as well as within the flights, the guideline said.Suitable announcement about COVID-19 including precautionary measures to be followed shall be made at airports/ports, it added.

While on board flight, ships, passengers and crew required precautions such as wearing of masks, environmental hygiene, respiratory hygiene, hand hygiene, the ministry said.

This morning, India registered the biggest-single day jump in the number of coronavirus cases as 6,767 new patients were reported in the last 24 hours. This is the third consecutive day that India has reported more than 6,000 COVID-19 cases with a record number of new patients each day. The county has officially logged 1,31,868 cases, 3,867 deaths linked to the highly infectious illness since the pandemic began. Of these, 147 patients died in the last 24 hours. The global number of novel coronavirus cases has passed 5.25 million with more than 339,000 deaths. Since the outbreak first emerged in China in December, 5,260,970 cases have been recorded across 196 countries and territories, with 339,758 deaths attributed to the virus.

Perambalur, Jan 2: Veteran Tamil writer Nellai Kannan was arrested in Perambalur for criticizing Prime Minister Narendra Modi and Home Minister Amit Shah during a protest against Citizenship (Amendment) Act.

The Tirunelveli Police had registered the FIR against the writer for the speech delivered at a meeting, which was called by the Social Democratic Party of India on December 29 last year.

The police have booked him on the basis of multiple complaints filed by BJP leaders.

Kannan has been booked under Sections 504, 505(1) and 505(2) of the Indian Penal Code.