North Carolina Counties with 8-Hour Ozone Violations 2000-2002

Table 1. The following table shows 22 of 34 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 values for that county.

County Average value
Alexander .091 ppm
Buncombe .085 ppm
Caldwell .086 ppm
Caswell .091 ppm
Cumberland .087 ppm
Davie .095 ppm
Durham .091 ppm
Edgecombe .088 ppm
Forsyth .094 ppm
Franklin .091 ppm
Granville .094 ppm
Guilford .093 ppm
Haywood .086 ppm
Johnston .085 ppm
Lincoln .094 ppm
Mecklenburg .102 ppm
Person .090 ppm
Rockingham .090 ppm
Rowan .101 ppm
Union .088 ppm
Wake .094 ppm
Yancey .085 ppm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 2. The following table shows two counties with only two years of data (2001, 2002) is above the attainment threshold. The first column lists the county; the second lists the average values for that county.

County Average Value
Jackson .088 ppm
Randolph .088 ppm

 

 

 

 

 

Table 3. The following table shows 9 monitored counties which are attaining the 0.085 ppm standard. The first column lists the county; the second lists the average values for that county.

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