PM2.5 Design Values for 2001-2003 in NC Counties
Figure 1 Annual Design Values (Mean) (click for larger image)
Table 1. The following table shows 28 counties with a 3-year average of the annual mean PM2.5 for each year below the established standard. The first column lists the county; the second lists the average value for that county.
County | Average value |
---|---|
Alamance | 13.7 µg/m3 |
Buncombe | 13.0 µg/m3 |
Cabarrus | 14.5 µg/m3 |
Caswell | 13.3 µg/m3 |
Chatham | 12.2 µg/m3 |
Cumberland | 13.8 µg/m3 |
Duplin | 11.9 µg/m3 |
Durham | 13.9 µg/m3 |
Edgecombe | 12.6 µg/m3 |
Forsyth | 14.6 µg/m3 |
Gaston | 14.0 µg/m3 |
Guilford | 14.0 µg/m3 |
Haywood | 13.6 µg/m3 |
Jackson | 12.4 µg/m3 |
Lenoir | 11.5 µg/m3 |
McDowell | 14.2 µg/m3 |
Mecklenburg | 14.9 µg/m3 |
Mitchell | 13.4 µg/m3 |
Montgomery | 12.1 µg/m3 |
New Hanover | 9.6 µg/m3 |
Onslow | 11.1 µg/m3 |
Orange | 13.1 µg/m3 |
Pitt | 12.4 µg/m3 |
Robeson | 12.7 µg/m3 |
Swain | 12.9 µg/m3 |
Wake | 13.8 µg/m3 |
Watauga | 11.7 µg/m3 |
Wayne | 13.7 µg/m3 |
Table 2. The following table shows 2 counties with a 3-year average of the annual mean PM2.5 for each year above the established standard. The first column lists the county; the second lists the average value for that county.
Note:
- Additional counties may be involved in emission reduction strategies
- Nonattainment designations may not follow county boundaries
County | Average value |
---|---|
Catawba | 15.5 µg/m3 |
Davidson | 15.8 µg/m3 |
Table 3. The following table shows 2 counties that were monitored in 2003 but did not have a complete and valid 3-year average of the annual mean PM2.5 that could be compared to the established standard.
County | Average value |
---|---|
Martin | N/A µg/m3 |
Nash | N/A µg/m3 |