Air pollution statistics for Medina 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 | 83.26% | 14.42% | 2.33% | 0.00% |
| 1998 | 76.28% | 19.53% | 4.19% | 0.00% |
| 1999 | 82.79% | 13.49% | 3.72% | 0.00% |
| 2000 | 90.23% | 8.84% | 0.93% | 0.00% |
| 2001 | 77.67% | 19.07% | 3.26% | 0.00% |
| 2002 | 78.14% | 14.42% | 7.44% | 0.00% |
| 2003 | 86.05% | 12.09% | 1.86% | 0.00% |
| 2004 | 90.00% | 9.52% | 0.48% | 0.00% |
| 2005 | 55.27% | 41.82% | 2.91% | 0.00% |
| 2006 | 86.15% | 13.85% | 0.00% | 0.00% |
| 2007 | 88.14% | 11.86% | 0.00% | 0.00% |