| År | Station | Nationell stationskod | Klassificering | Inlet-id | Medel Bensen µg/m³ (MKN=5, Miljömål=1) | Antal dygn | Antal timmar | Tidsupplösning |
|---|---|---|---|---|---|---|---|---|
| 2011 | Timrå | 144 | Urban Background | 153 | 1.00 | 118 | Week | |
| 2010 | Timrå | 144 | Urban Background | 153 | 1.12 | 156 | Week | |
| 2006 | Timrå | 144 | Urban Background | 153 | 1.12 | 183 | Week | |
| 2005 | Timrå | 144 | Urban Background | 153 | 1.08 | 183 | Week |