Air pollute stats for Washington Co in 2004
| County | Washington Co |
| State | Nebraska |
| Data from year | 2004 |
| Total number of days monitored | 106 |
| Good air | 96 (90.57%) |
| Moderate air | 10 (9.43%) |
| Unhealthy for sensitive groups | 0 (0.00%) |
| Unhealthy for all | 0 (0.00%) |
|
| Worst pollutants |
|
| Carbon monoxide | 0 (0.00%) |
| Nitrogen dioxide | 0 (0.00%) |
| Ozone | 0 (0.00%) |