North Carolina Counties with 8-Hour Ozone Violations 2001-2003
Table 1. The following table shows 20 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 |
|---|---|
| Alexander | .088 ppm |
| Caswell | .088 ppm |
| Cumberland | .087 ppm |
| Davie | .093 ppm |
| Durham | .089 ppm |
| Edgecombe | .089 ppm |
| Forsyth | .093 ppm |
| Franklin | .090 ppm |
| Granville | .094 ppm |
| Guilford | .089 ppm |
| Haywood | .085 ppm |
| Johnston | .085 ppm |
| Lincoln | .092 ppm |
| Mecklenburg | .098 ppm |
| Person | .091 ppm |
| Randolf | .085 ppm |
| Rockingham | .091 ppm |
| Rowan | .100 ppm |
| Union | .088 ppm |
| Wake | .092 ppm |
Table 2. The following table shows three counties with insufficient data to declare nonattainment. The first column lists the county; the second lists the average value for that county.
| County | Average Value |
|---|---|
| Camden | .081 ppm |
| Graham | .075 ppm |
| Jackson | .084 ppm |
Table 3. The following table shows 12 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 | .078 ppm |
| Buncombe | .078 ppm |
| Caldwell | .084 ppm |
| Chatham | .082 ppm |
| Duplin | .079 ppm |
| Lenoir | .081 ppm |
| Martin | .081 ppm |
| New Hanover | .078 ppm |
| Northampton | .084 ppm |
| Pitt | .082 ppm |
| Swain | .074 ppm |
| Yancey | .083 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