North Carolina Counties with 8-Hour Ozone Violations 2001-2003

Table 1. The following table shows 20 counties with a 3-year average of the annual 4th high value for each year equaling 0.085 ppm level or higher (violation of the 8-hour standard). The first column lists the county; the second lists the average value for that county.

County Average value
Alexander .088 ppm
Caswell .088 ppm
Cumberland .087 ppm
Davie .093 ppm
Durham .089 ppm
Edgecombe .089 ppm
Forsyth .093 ppm
Franklin .090 ppm
Granville .094 ppm
Guilford .089 ppm
Haywood .085 ppm
Johnston .085 ppm
Lincoln .092 ppm
Mecklenburg .098 ppm
Person .091 ppm
Randolf .085 ppm
Rockingham .091 ppm
Rowan .100 ppm
Union .088 ppm
Wake .092 ppm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 2. The following table shows three counties with insufficient data to declare nonattainment. The first column lists the county; the second lists the average value for that county.

County Average Value
Camden .081 ppm
Graham .075 ppm
Jackson .084 ppm

 

 

 

 

 

 

Table 3. The following table shows 12 monitored counties that are attaining the 0.085 ppm standard. The first column lists the county; the second lists the average value for that county.

County Average Value
Avery .078 ppm
Buncombe .078 ppm
Caldwell .084 ppm
Chatham .082 ppm
Duplin .079 ppm
Lenoir .081 ppm
Martin .081 ppm
New Hanover .078 ppm
Northampton .084 ppm
Pitt .082 ppm
Swain .074 ppm
Yancey .083 ppm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note:

  • Additional counties may be involved in emission reduction strategies
  • Nonattainment designations may not follow county boundaries
  • Final data validation is not yet complete