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(LEAD) Seoul city issues 1st fine dust advisory this fall

All News 15:53 October 22, 2020

(ATTN: UPDATES throughout with issuance of fine dust advisories; CHANGES headline, photo)

SEOUL, Oct. 22 (Yonhap) -- The Seoul metropolitan government on Thursday issued its first fine dust advisory of this fall, citing an inflow of fine dust and yellow dust from China and elsewhere.

According to the city's health and environment research center, the average fine dust concentration level stayed above 150 micrograms per cubic meter for over two hours, forcing it to issue the advisory.

As of 1 p.m., the fine dust concentration level was 155 micrograms per cubic meter. By 2 p.m., it had dropped to 152 micrograms per cubic meter.

The readings were based on PM 10, a measure for fine dust particles smaller than 10 micrometers in diameter. By contrast, PM 2.5 is a measure for particles smaller than 2.5 micrometers in diameter.

The center attributed the increased levels to yellow dust blowing in from the Gobi Desert and the highlands of China's Inner Mongolia, as well as fine dust from overseas.

Citizens with respiratory or cardiovascular diseases are advised to stay at home, along with the elderly, the weak and children, the city government said.

When going outdoors, citizens are urged to wear a face mask, it added.

Advisories were also issued in the surrounding Gyeonggi Province, including in the southern cities of Suwon and Gwacheon, and the northern cities of Goyang and Paju.

This photo taken from Namsan shows Seoul under a hazy sky on Oct. 22, 2020. (Yonhap)


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