On August 7, 2026, the nationwide air quality for ultrafine particulate matter is forecast to be "Good."
According to the Korea Environment Corporation’s forecast overview, all regions are expected to range from “Good” to “Moderate.” However, Incheon is expected to temporarily reach the “Poor” level in the early morning.
Regarding the cause, the agency analyzed, “In some central and western regions, fine dust lingering from the previous day and domestically generated fine dust will accumulate due to atmospheric stagnation and airflow convergence, resulting in high concentrations in the early morning. However, concentrations are expected to gradually decrease due to smooth atmospheric dispersion, and the daily average concentration is forecast to be ‘Moderate.’”
Since PM2.5 concentrations will not be high across all regions, outdoor activities are not expected to be significantly affected.
Moderate — Seoul, South Chungcheong, Southern Gyeonggi, Incheon (4 regions)
Good — Jeju, South Jeolla, North Jeolla, Gwangju, South Gyeongsang, North Gyeongsang, Ulsan, Daegu, Busan, North Chungcheong, Sejong, Daejeon, Yeongdong, Yeongseo, Northern Gyeonggi (15 regions)
※ This article was automatically generated by a robot reporter based on air quality forecast data from the Korea Environment Corporation. (Release date: August 7, 2026, 5:00 a.m.)
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