| År | Station | Nationell stationskod | Klassificering | Inlet-id | Medel Bensen µg/m³ (MKN=5, Miljömål=1) | Antal dygn | Antal timmar | Tidsupplösning |
|---|---|---|---|---|---|---|---|---|
| 2004 | Karlskoga | 131 | Urban Background | 222 | 1.18 | 184 | Week | |
| 2003 | Karlskoga | 131 | Urban Background | 222 | 1.73 | 176 | Week | |
| 2001 | Katrineholm | 7189 | Urban Background | 1368 | 1.72 | 176 | Week | |
| 1993 | Karlskoga | 131 | Urban Background | 222 | 4.96 | 75 | Week |