世界卫生组织（WHO）发布了韩国空气污染报告。 The World Health Organization (WHO) has released a report on air pollution in South Korea.

根据最近的一份报告，首尔的空气污染有所减少，空气质量出现 2005 年以来最大的下降。 Air pollution in Seoul has decreased, according to a recent report, with the greatest reduction in air quality occurring since 2005. 然而，烟雾警报仍然是韩国面临的重大挑战。 However, a smog warning remains a significant challenge for South Korea. 首尔政府正在努力减少雾霾，但这些努力的好处可能不足以让政府满意，该地区大部分时间都在该地区居住。 The Seoul government is working to reduce smog, but the benefits of these efforts may not be sufficient to satisfy the government, which has made the area its home for the majority of its existence. 联合国环境规划署（UNEP）的一份报告显示，新发现表明，2021年颗粒物年平均浓度比2005年降低了3040%。 The new findings show that the annual average concentrations of particulate matter in 2021 were 3040% lower than in 2005, according to a report from the United Nations Environment Programme (UNEP).