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Mar 23, 2022, 8:06 pm107 pts
ScienceDaily
New research highlights disparities in fine particulate matter (PM2.5) trends between American Indian (AI) and non-AI populated U.S. counties. PM2.5 is one of several air pollutants regulated by the U.S. EPA. Downward trends in PM2.5 concentrations were steeper among the non-AI populated compared to…
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