North Carolina Counties with 8-Hour Ozone Violations 1999-2001
![A map of North Carolina 8 hour ozone violations from 1999 to 2001.](https://files.nc.gov/deq/styles/inline_large/public/images/2023-04/99-01.png?VersionId=I33xCX4Qjq6yqxeD456iVjqJMkIAQHR7&itok=_JDX0ZPI)
Table 1. The following table shows 21 of 34 counties and 31 of 45 sites 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 | .087 ppm |
Caldwell | .087 ppm |
Caswell | .090 ppm |
Cumberland | .089 ppm |
Davie | .096 ppm |
Durham | .087 ppm |
Edgecombe | .087 ppm |
Forsyth | .094 ppm |
Franklin | .086 ppm |
Granville | .088 ppm |
Guilford | .090 ppm |
Haywood | .087 ppm |
Johnston | .087 ppm |
Lincoln | .091 ppm |
Mecklenburg | .101 ppm |
Person | .089 ppm |
Rockingham | .085 ppm |
Rowan | .100 ppm |
Union | .087 ppm |
Wake | .094 ppm |
Yancey | .088 ppm |
Table 2. The following table shows one county with only one year of data (2001) is above the attainment threshold. The first column lists the county; the second lists the average values for that county.
County | Average Value |
---|---|
Randolph | .085 ppm |
Table 3. The following table shows 12 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 | .075 ppm |
Buncombe | .083 ppm |
Camden | .081 ppm |
Chatham | .082 ppm |
Duplin | .082 ppm |
Jackson | .083 ppm |
Lenoir | .082 ppm |
Martin | .080 ppm |
New Hanover | .075 ppm |
Northampton | .082 ppm |
Pitt | .084 ppm |
Swain | .073 ppm |
Note:
- Additional counties may be involved in emission reduction strategies
- Nonattainment designations may not follow county boundaries