| År | Station | Nationell stationskod | Klassificering | Inlet-id | Medel Bensen µg/m³ (MKN=5, Miljömål=1) | Antal dygn | Antal timmar | Tidsupplösning |
|---|---|---|---|---|---|---|---|---|
| 2004 | Timrå | 144 | Urban Background | 153 | 1.25 | 184 | Week | |
| 2004 | Östersund | 140 | Urban Background | 158 | 1.11 | 164 | Week | |
| 1997 | Timrå | 144 | Urban Background | 153 | 2.57 | 183 | Week | |
| 1997 | Östersund | 140 | Urban Background | 158 | 2.44 | 183 | Week |