| 日平均风速/(m/s) | PM2.5污染 日数/d | PM10污染 日数/d | PM2.5污染 日数占比% | PM10污染 日数占比% |
| ≤1 | 24 | 5 | 24.0 | 8.2 |
| 1.1~2.0 | 61 | 39 | 61.0 | 63.9 |
| 2.1~3.0 | 15 | 12 | 15.0 | 19.7 |
| 3.1~4.0 | 0 | 4 | 0.0 | 6.6 |
| 4.0~5.0 | 0 | 1 | 0.0 | 1.6 |