Air pollution statistics for Erie 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 |
| 1998 | 85.71% | 14.29% | 0.00% | 0.00% |
| 1999 | 84.38% | 15.63% | 0.00% | 0.00% |