2022年至2024年,南达科他州在美国最清洁的空气中位居第四,由于人口稀少和可再生能源使用,污染程度较低。 South Dakota ranked fourth in the U.S. for cleanest air from 2022 to 2024, with low pollution due to sparse population and renewable energy use.

2022年至2024年,南达科他州在美国最清洁的空气中排名第四,细微粒子污染平均为5.7微克/立方米,低于全国平均8.8微克/立方米,并接近世界卫生组织5微克/立方米的准则。 South Dakota ranked fourth in the U.S. for cleanest air from 2022 to 2024, with a fine particle pollution average of 5.7 µg/m³, below the national average of 8.8 µg/m³ and near the World Health Organization’s guideline of 5 µg/m³. 国家低污染归因于人口稀少、工业有限、可再生能源使用有限。 The state’s low pollution is attributed to its sparse population, limited industry, and renewable energy use. 近一半的美国人生活在空气不健康的地区,这凸显了全国差异。 Nearly half of Americans live in areas with unhealthy air, highlighting a national disparity. 国家也记录了2025年交通死亡人数的5年低,反映了更广泛的公共安全和环境健康趋势。 The state also recorded a five-year low in traffic deaths in 2025, reflecting broader public safety and environmental health trends.