Air quality in Utah is often some of the worst in the United States. Poor air quality in Utah is due to the mountainous topography which can cause pollutants to build up near the surface (especially during inversions) combined with the prevalence of emissions from gasoline- and diesel-powered vehicles, especially older models.
Air quality in Utah is often some of the worst in the United States. Poor air quality in Utah is due to the mountainous topography which can cause pollutants to build up near the surface (especially during inversions) combined with the prevalence of emissions from gasoline- and diesel-powered vehicles, especially older models.
Source: Wikipedia "Air quality in Utah" · CC BY-SA 4.0
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