| 污染物 | NO2 | PM10 | PM2.5 | SO2 | CO |
| 相关系数 | |||||
| 成都 | −0.835** | −0.647** | −0.548** | −0.332 | −0.754** |
| 绵阳 | −0.687** | −0.831** | −0.846** | −0.667** | −0.880** |
| 德阳 | −0.920** | −0.773** | −0.813** | −0.693** | −0.847** |
| 乐山 | −0.713** | −0.774** | −0.767** | −0.424* | −0.837** |
| 眉山 | −0.909** | −0.745** | −0.816** | −0.370 | −0.579** |
| 雅安 | −0.096 | 0.384 | 0.402 | −0.574** | 0.065 |