Air pollution statistics for Coahoma Co, Mississippi
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 | 98.18% | 1.82% | 0.00% | 0.00% |
| 1998 | 100.00% | 0.00% | 0.00% | 0.00% |
| 1999 | 100.00% | 0.00% | 0.00% | 0.00% |