| År | Station | Nationell stationskod | Klassificering | Inlet-id | Medel Bensen µg/m³ (MKN=5, Miljömål=1) | Antal dygn | Antal timmar | Tidsupplösning |
|---|---|---|---|---|---|---|---|---|
| 2005 | Karlskoga | 131 | Urban Background | 222 | 1.18 | 93 | Week | |
| 2004 | Karlskoga | 131 | Urban Background | 222 | 1.18 | 184 | Week | |
| 2004 | Ljusdal | 11708 | Urban Background | 1385 | 1.80 | 95 | Week | |
| 1993 | Karlskoga | 131 | Urban Background | 222 | 4.96 | 75 | Week | |
| 1992 | Karlskoga | 131 | Urban Background | 222 | 14.24 | 14 | Week |