SO2 Average Values for 2008-2010 in NC Counties

A map of North Carolina counties with sulfur dioxide ninety-ninth percentile averages from 2008 to 2010.


 

Table 1. The following table shows 3-year averages for the 99th percentile of daily maximum SO2 concentrations. The first column lists the county, the second lists the average value for that county. One county in this list, New Hanover, exceeded the national ambient standard of 75 PPB by 47 percent. The other counties were below the standard.

CountyAverage 99th Percentile
Beaufort31 PPB
Forsyth20 PPB
Mecklenburg40 PPB
New Hanover110 PPB
Wake14 PPB