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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.
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.
The state’s low pollution is attributed to its sparse population, limited industry, and renewable energy use.
Nearly half of Americans live in areas with unhealthy air, highlighting a national disparity.
The state also recorded a five-year low in traffic deaths in 2025, reflecting broader public safety and environmental health trends.
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Dakota del Sur ocupó el cuarto lugar en los Estados Unidos por aire más limpio de 2022 a 2024, con baja contaminación debido a la escasa población y el uso de energía renovable.