North Carolina Counties with 8-Hour Ozone Violations 2003-2005

Table 1. The following table shows 3 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
Granville 0.085 ppm
Mecklenburg 0.087 ppm
Rowan 0.088 ppm

 

 

 

 

 

Table 2. The following table shows one county with insufficient data to declare nonattainment, due to changing the monitor location in 2004. The first column lists the county; the second lists an unbiased surrogate estimate of the average value for that county.

County Average Value
Alexander 0.074 ppm

 

 

 

Table 3. The following table shows 27 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 0.072 ppm
Buncombe 0.074 ppm
Caldwell 0.074 ppm
Caswell 0.077 ppm
Chatham 0.074 ppm
Cumberland 0.083 ppm
Davie 0.082 ppm
Durham 0.078 ppm
Edgecombe 0.079 ppm
Forsyth 0.079 ppm
Franklin 0.081 ppm
Graham 0.079 ppm
Guilford 0.077 ppm
Haywood 0.078 ppm
Jackson 0.072 ppm
Johnston 0.079 ppm
Lenoir 0.077 ppm
Lincoln 0.081 ppm
Martin 0.077 ppm
New Hanover 0.073 ppm
Person 0.079 ppm
Pitt 0.077 ppm
Rockingham 0.078 ppm
Swain 0.068 ppm
Union 0.079 ppm
Wake 0.083 ppm
Yancey 0.076 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