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Korea takes extra measures to reduce dust pollution

The average daily concentration in Seoul was 102 microgram / m cube for 12 hours in the morning on May 25.


Devdiscourse News Desk Korea
Updated: 25-03-2018 10:35 IST
Korea takes extra measures to reduce dust pollution

The reason for the fine dust pollution is that the atmosphere stagnated due to the high pressure in the central region of the peninsula. (Image credit: Unsplash)

The worst pollution of the dust that covers the whole weekend is expected to continue until March 26. As the atmosphere stagnates, the pollutants emitted at home and abroad are expected to accumulate without being scattered.

According to the Korea Air Pollution Information Center, Air Korea, the concentration of ultrafine dust (PM 2.5) in Seoul at 12:00 on the March 25 is measured at 104 microgram per cubic meter. Compared to the fine dust forecasting stage, it was 'very bad (101 m cube or more)', as per Joins.

In addition, Gyeonggi Province recorded 121 microgram / m cube, Gwangju 116 microgram / m cube, Chungbuk 110 microgram / m cube, and Incheon 107 microgram / m cube. Other areas except for Yeongnam and Jeju areas showed poor (51-100 microgram / m cube).

The average daily concentration in Seoul was 102 microgram / m cube for 12 hours in the morning on March 25 and 108 microgram / m cube in Kyonggi Province. Pollution levels may be lower in the afternoon of the Sunday, but the concentration is the highest in the past until the morning, as per Joins.

In Seoul, the highest daily average was 95 microgram / m cube for December 30, 2016, and Gyeonggi Province was 100 microgram / m cube on January 16 last year in 2016.

According to the Joins, the reason for the fine dust pollution is that the atmosphere stagnated due to the high pressure in the central region of the peninsula. When the Korean peninsula was at the edge of the high pressure, the pollutants got into China, and then the Korean peninsula became the center of the high pressure, and the atmosphere became stagnant and the domestic pollutants were added to the pollution.

In addition, as the humidity increases with the fog, the particles of small dust particles become entangled in the particles, and the dust particles become bigger and the fine dust concentration becomes higher overall, as per Joins.

An official of the Korea Meteorological Administration said, "As the clear weather continues, there is a lot of fog in the interior due to the radiative cooling at night."

"The sea fog on the west coast has also continued to enter the western region."

According to the Joins, the warm air currents from the southwest and the west pass through the relatively cool West Sea, resulting in sea fog. The Meteorological Administration predicted that the weather would be clear on Monday, and the fog would spread along with the sea mist. As a result, fine dust pollution will continue on March 26.

The Air Quality Integrated Forecasting Center said, "It is expected that Seoul and Gyeonggi North, Gyeonggi South, Gangwon Youngseo and Chungbuk will be 'Poor' while other regions are expected to be 'Normal'. However, 'Level of concentration may appear, ".

In addition, since the ultrafine dust standard value is expected to be strengthened from March 27, it is expected that there will be many areas classified as 'poor' even if the pollution level is low, as per Joins.

The ministry asked the municipalities to take urgent measures to reduce fine dust at 8 am on March 25.The ministry plans to discuss the creation of a special law on fine dust in the subcommittee on the March 27.

COUNTRY : Korea Rep.

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