Review Article

Early Alzheimer’s and Parkinson’s Disease Pathology in Urban Children: Friend versus Foe Responses—It Is Time to Face the Evidence

Figure 2

Trend of the PM2.5 24-hour average concentrations from all monitoring stations in the MCMA from 2004 to 2011. The dashed line shows the U.S. EPA PM2.5 24 hr average air quality standard (data from the SMA-GDF).
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