| År | Station | Nationell stationskod | Klassificering | Inlet-id | Medel Bensen µg/m³ (MKN=5, EU2030=3.4, Miljömål=1) | Antal dygn | Antal timmar | Tidsupplösning |
|---|---|---|---|---|---|---|---|---|
| 2000 | Kramfors | 6780 | Urban Background | 1372 | 2.76 | 93 | Week | |
| 2000 | Timrå | 144 | Urban Background | 153 | 1.93 | 170 | Week | |
| 2000 | Örnsköldsvik | 620 | Urban Background | 237 | 2.60 | 177 | Week |