Ozone Average Values

NC Counties Meeting the Ozone Standard: 2013-2015

 

Please click here to open the Ozone Values Map as a PDF.

 

Table 1. The following table shows the 3-year averages for ozone. The first column lists the county, the second column lists the average value for that county. The current 8-hr ozone standard is 0.070 ppm.


County 2013-2015 Average Value
Alexander 0.064 ppm
Avery 0.062 ppm
Buncombe 0.063 ppm
Caldwell 0.062 ppm
Carteret 0.060 ppm
Caswell 0.063 ppm
Chatham 0.058 ppm
Cumberland 0.061 ppm
Durham 0.061 ppm
Edgecombe 0.062 ppm
Forsyth 0.067 ppm
Franklin 0.061 ppm
Graham 0.064 ppm
Granville 0.063 ppm
Guilford 0.063 ppm
Haywood 0.065 ppm
Johnston 0.063 ppm
Lee 0.055 ppm
Lenoir 0.063 ppm
Lincoln 0.065 ppm
Macon 0.062 ppm
Martin 0.062 ppm
Mecklenburg 0.068 ppm
Montgomery 0.060 ppm
New Hanover 0.061 ppm
Person 0.061 ppm
Pitt 0.062 ppm
Rockingham 0.064 ppm
Rowan 0.064 ppm
Swain 0.057 ppm
Union 0.065 ppm
Wake 0.063 ppm
Yancey 0.063 ppm