Sunday November 18, 2018

Parking Fee Hiked Four Times to curb worsening air quality in Delhi

The pollution level rose to dangerous levels, with 18 out of 21 active pollution monitoring stations recording "severe" air quality.

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AIR POLLUTION
Motorcycles and vehicles drive on a road while fog envelope the area (AP Photo/Muhammad Sajjad) (VOA)
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New Delhi, November 7, 2017 : Authorities on Tuesday hiked vehicle parking fee by four times in Delhi in a bid to curb worsening air quality in the capital as the high-pollution winter months kicked in.

The decision was taken at a meeting of the Supreme Court-appointed Environment Pollution Prevention and Control Authority (EPCA) here to discourage people from using private vehicles as air pollution worsened further and touched more alarming proportions on Tuesday.

ALSO READ Effect of Air Pollution: Escalates Mortality Risk, Besides Causing Deadly Diseases like Lung and Kidney Cancer

The National Capital Region saw its worst air quality and smog situation of the year, which was even worse than a day after Diwali, as a yellow blanket of smog hung heavily in the sky.

ALSO READ Supreme Court Bans Pet Coke and Furnace Oil to bring down Air Pollution in NCR

The pollution level rose to dangerous levels, with 18 out of 21 active pollution monitoring stations recording “severe” air quality. (IANS)

 

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Air Pollutants Can Be Stopped If They Are Frozen : Scientists

The air-quality across the NCR was very poor

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Pollution, pollutants, India, air pollution, WHO, diwali
India's Rashtrapati Bhawan, or the Presidential Palace is partly visible due to smog as traffic plies on Rajapth, the ceremonial boulevard in New Delhi. VOA

Freezing pollutants can prevent deadly outdoor air pollution — thought to cause more than three million premature deaths worldwide every year — from seeping indoors by 99 per cent, scientists have discovered.

The research, by a team of scientists from the Nottingham Trent University in the UK and the Chinese Academy of Sciences, involved studying the effectiveness of cryogenics for indoor air purification, by removing the gaseous pollutants and tiny particulates caused by haze.

The team found that as they circulated haze-polluted air through a cryogenic condenser, the finer particles stuck together in the condenser tube before dropping out by gravity, and emerging as clean air.

Air Pollution, China, WHO,Pollution, pollutants
A man wearing a respiratory protection mask walks toward an office building during the smog after a red alert was issued for heavy air pollution in Beijing’s central business district, China. VOA

Their method was able to remove 99 per cent of particulates and 98 per cent of nitrogen oxide pollutants.

“Hazardous outdoor air pollution has severely affected indoor air quality, threatening the health of billions of people,” said Professor Robert Mortimer, Dean of the School of Animal, Rural and Environmental Sciences at Nottingham.

“Outdoor air pollution in cities is a global problem. While there are some existing technologies to purify indoor air, they can be inefficient, expensive or produce harmful by-products.

“When outdoor air quality is poor, people tend to spend even more time indoors – but outdoor pollution also leads to indoor pollution and people are still impacted.”

air pollution, Pollution, pollutants
In this Sept. 19, 2018 photo steam and cooling towers of a lignite power plant are reflected in a pond in Peitz, eastern Germany. VOA

The experiments, reported in the journal Science of the Total Environment, showed that by simply circulating polluted air through a small freezing chamber we can remove most of the fine particles and gas pollutants.

“Our study makes it possible to add an ‘air cleaner’ option to household appliances in areas which might experience extremely poor air conditions. By controlling indoor air pollution and improving air quality in this way, this work could be greatly beneficial for public health,” added Gang Pan, Professor at the varsity.

It is hoped that the work could pave the way for simple modification of air conditioning and humidifier units so that they can also clean polluted indoor air, the team said.

Air Quality, WHO, Pollution, pollutants
Air pollution can also damage your kidneys. wikimedia commons

Delhi and the National Capital Region (NCR) on Sunday witnessed “very poor” air quality with the minimum temperature recorded at 12.4 degrees Celsius, two notches below the season’s average.

Also Read: Delhi’s Air Quality Leads to Ban On Truck And Construction

The air-quality across the NCR was very poor, according to System of Air Quality and Weather Forecasting And Research.

The humidity at 8.30 a.m. was 87 per cent. The maximum temperature was likely to hover around 28 degrees Celsius. (IANS)