On July 29, 2026, the nationwide air quality for ultrafine particulate matter is forecast to be at the "Good" level.
According to the Korea Environment Corporation’s forecast overview, all regions are expected to range from “Good” to “Moderate.”
Regarding the causes, the agency analyzed, “In most regions, the daily average concentration is expected to be ‘Good’ due to favorable atmospheric dispersion, while in some southeastern regions, domestically generated fine dust is expected to accumulate due to airflow convergence, resulting in a daily average concentration of ‘Moderate.’”
Since PM2.5 concentrations are not high across all regions, outdoor activities are not expected to be significantly affected.
Moderate — Ulsan (1 location)
Good — Seoul, Jeju, South Jeolla, North Jeolla, Gwangju, South Gyeongsang, North Gyeongsang, Daegu, Busan, South Chungcheong, North Chungcheong, Sejong, Daejeon, Yeongdong, Yeongseo, Southern Gyeonggi, Northern Gyeonggi, Incheon (18 locations)
※ This article was automatically generated by a robot reporter based on air quality forecast data from the Korea Environment Corporation. (Release date: July 29, 2026, 5:00 a.m.)
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