| År | Station | Nationell stationskod | Klassificering | Inlet-id | Medel Bensen µg/m³ (MKN=5, Miljömål=1) | Antal dygn | Antal timmar | Tidsupplösning |
|---|---|---|---|---|---|---|---|---|
| 2000 | Hammarstrand | 1717 | Urban Background | 1343 | 2.46 | 93 | Week | |
| 1999 | Hammarstrand | 1717 | Urban Background | 1343 | 2.51 | 176 | Week | |
| 1998 | Hammarstrand | 1717 | Urban Background | 1343 | 2.32 | 88 | Week |