Air quality for ultrafine particulate matter nationwide is forecast to be "Good" on July 30, 2026.
According to the Korea Environment Corporation’s forecast overview, all regions are expected to be rated “Good.”
Regarding the cause, the agency analyzed that “air quality is expected to be clean due to favorable atmospheric dispersion.”
Since PM2.5 concentrations will not be high in any region, outdoor activities are not expected to be significantly affected.
[PM2.5 Ratings by Region]
Good — Seoul, Jeju, South Jeolla, North Jeolla, Gwangju, South Gyeongsang, North Gyeongsang, Ulsan, Daegu, Busan, South Chungcheong, North Chungcheong, Sejong, Daejeon, Yeongdong, Yeongseo, Southern Gyeonggi, Northern Gyeonggi, Incheon (19 locations)
Good — Seoul, Jeju, South Jeolla, North Jeolla, Gwangju, South Gyeongsang, North Gyeongsang, Ulsan, Daegu, Busan, South Chungcheong, North Chungcheong, Sejong, Daejeon, Yeongdong, Yeongseo, Southern Gyeonggi, Northern Gyeonggi, Incheon (19 locations)
※ This article was automatically generated by a robot reporter based on air quality forecast data from the Korea Environment Corporation. (Release date: July 30, 2026, 5:00 a.m.)
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