
AI-generated summary
An ozone warning is issued when the 1-hour average ozone concentration in the air is 0.12 ppm or higher.
(Suwon = Yonhap News) An ozone warning was issued for five cities in the southern Gyeonggi region as of 4 p.m. on the 10th, the Korea Environment Corporation, a Ministry of Climate, Energy and Environment, reported.
The regions in question are Yongin, Pyeongtaek, Icheon, Anseong, and Yeoju.
The average ozone concentration in the area where the announcement was issued is 0.1224 ppm (1 part per million) as of 4 p.m.
Previously, ozone advisories were also issued for 11 cities in the central region.
If the 1-hour average concentration of ozone (O₃) in the air is more than 0.12 ppm, an ozone warning is issued, if it is more than 0.30 ppm, an ozone warning is issued, and if it is more than 0.50 ppm, an ozone serious warning is issued.
When an ozone warning is issued, the elderly, children, and people with respiratory or heart diseases should refrain from outdoor activities. It is also recommended that the general public avoid outdoor activities or extreme exercise.
![[Tomorrow’s weather] Rain in various parts of southern and Jeju… Large daily temperature range in the central inland region](/api/img?u=https%3A%2F%2Fimg.yna.co.kr%2Fphoto%2Fyna%2FYH%2F2026%2F10%2F09%2FPYH2026100903270001300_P2.jpg&w=320&q=72&f=webp)
On Sunday the 11th, rain fell in the southern region and Jeju Island, with precipitation forecast for each region, including 5 to 10 mm in southern Gangwon and 5 to 20 mm inland in Daegu, Gyeongbuk, and Gyeongnam. The minimum temperature in the morning is 10 to 20 degrees, and the maximum temperature during the day is 22 to 28 degrees. The temperature difference between day and night is about 15 degrees, so it is necessary to take care of your health.

The morning of the weekend, the 10th and 11th, will be chilly and hot during the day, and rain is expected to fall on Jeju Island and the southern region. In inland areas, the temperature difference between day and night is large, so care must be taken to take care of one's health, and one must also pay attention to traffic safety due to fog and strong winds.
![[North Korea Weather] Cloudy throughout the region… Fine dust warning for the west coast, including Pyongyang](/api/img?u=https%3A%2F%2Fr.yna.co.kr%2Fglobal%2Fhome%2Fv01%2Fimg%2Fyonhapnews_logo_1200x800_kr01.jpg&w=320&q=72&f=webp)
According to the North Korean Meteorological Administration, it was forecast to be mostly cloudy throughout the 10 days, and the lowest morning temperature in Pyongyang was observed to be 13 degrees, 4 degrees higher than normal. Chosun Central Broadcasting predicted that fine dust concentrations would be high in some areas along the west coast.
![[Seawater decomposition] Why do flounders keep being caught? Management of fisheries resources to protect our tables](/api/img?u=https%3A%2F%2Fimg.yna.co.kr%2Fetc%2Finner%2FKR%2F2026%2F10%2F08%2FAKR20261008107400051_01_i_P2.jpg&w=320&q=72&f=webp)
The Korea Fisheries Resources Corporation under the Ministry of Oceans and Fisheries operates a released seed certification system that takes into account genetic diversity when releasing flounder, manages catch through the Total Allowable Catch (TAC) system, and is establishing a climate response fisheries life resource center on Jeju Island in response to climate change and promoting carbon absorption research in seaweed.

Daegu City announced that it will conduct two mock crackdowns from the 12th to the 23rd and from the 9th to the 20th of next month ahead of the Class 5 emission vehicle operation restrictions that will take effect from December 1st. There are no fines imposed, and crackdowns are conducted at 22 locations within the jurisdiction using the Korea Environment Corporation's enforcement system from 6 a.m. to 9 p.m. on weekdays. Guides to the system and detection details are sent via text message every week to borrowers who are caught.

On the 10th, Daegu and Gyeongbuk will be cloudy and rainy in some places, and the expected precipitation is 5 to 10 mm. The temperature in major regions is 14.2 degrees in Daegu and 18.2 degrees in Pohang, and the highest daytime temperature will range from 24 to 28 degrees. Fine dust is at a ‘good’ level throughout Daegu and Gyeongbuk.