North Carolina Counties with 8-Hour Ozone Violations 1999-2001
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