| År | Station | Nationell stationskod | Klassificering | Inlet-id | Medel Bensen µg/m³ (MKN=5, EU2030=3.4, Miljömål=1) | Antal dygn | Antal timmar | Tidsupplösning |
|---|---|---|---|---|---|---|---|---|
| 2004 | Sollefteå Urban | 12036 | Urban Background | 1415 | 2.46 | 45 | Week | |
| 2004 | Timrå | 144 | Urban Background | 153 | 1.25 | 184 | Week | |
| 2004 | Timrå Köpmangatan | 9604 | Urban Traffic | 1433 | 1.86 | 95 | Week | |
| 2004 | Örnsköldsvik | 620 | Urban Background | 237 | 1.49 | 177 | Week |