Air pollution statistics for Monroe Co, Ohio
3. Select a year
| Year | Percentage days with good air | Percentage days with moderate air | Percentage days with unhealthy air for sensitive groups | Percentage days with unhealthy air |
| 1997 | 95.56% | 4.44% | 0.00% | 0.00% |
| 1998 | 98.33% | 1.67% | 0.00% | 0.00% |
| 1999 | 98.31% | 1.69% | 0.00% | 0.00% |
| 2000 | 100.00% | 0.00% | 0.00% | 0.00% |
| 2001 | 96.61% | 3.39% | 0.00% | 0.00% |
| 2002 | 92.98% | 7.02% | 0.00% | 0.00% |
| 2003 | 98.36% | 1.64% | 0.00% | 0.00% |
| 2004 | 100.00% | 0.00% | 0.00% | 0.00% |