Air pollute stats for Rockingham Co in 2002
| County | Rockingham Co |
| State | New Hampshire |
| Data from year | 2002 |
| Total number of days monitored | 359 |
| Good air | 312 (86.91%) |
| Moderate air | 34 (9.47%) |
| Unhealthy for sensitive groups | 12 (3.34%) |
| Unhealthy for all | 1 (0.28%) |
|
| Worst pollutants |
|
| Carbon monoxide | 0 (0.00%) |
| Nitrogen dioxide | 0 (0.00%) |
| Ozone | 116 (32.31%) |