North Carolina Counties with 8-Hour Ozone Violations 2002-2004

Table 1. The following table shows 12 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
Davie 0.086 ppm
Durham 0.086 ppm
Edgecombe 0.085 ppm
Forsyth 0.087 ppm
Franklin 0.088 ppm
Granville 0.089 ppm
Lincoln 0.086 ppm
Mecklenburg 0.092 ppm
Person 0.087 ppm
Rowan 0.094 ppm
Union 0.085 ppm
Wake 0.088 ppm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 2. The following table shows two counties with insufficient data to declare nonattainment. The first column lists the county; the second lists the maximum value for that county for 2004.

County Average Value
Camden 0.078 ppm
Graham 0.085 ppm
comparable average for
all attaining monitors
0.080 ppm
comparable average for
all violating monitors
0.088 ppm

 

 

 

 

 

 

 

Table 3. The following table shows 19 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
Alexander 0.082 ppm
Avery 0.076 ppm
Buncombe 0.078 ppm
Caldwell 0.080 ppm
Caswell 0.084 ppm
Chatham 0.079 ppm
Cumberland 0.084 ppm
Guilford 0.084 ppm
Haywood 0.081 ppm
Jackson 0.080 ppm
Johnston 0.083 ppm
Lenoir 0.078 ppm
Martin 0.080 ppm
New Hanover 0.075 ppm
Pitt 0.081 ppm
Randolph 0.082 ppm
Rockingham 0.084 ppm
Swain 0.071 ppm
Yancey 0.078 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