| År | Station | Nationell stationskod | Klassificering | Inlet-id | Medel Bensen µg/m³ (MKN=5, Miljömål=1) | Antal dygn | Antal timmar | Tidsupplösning |
|---|---|---|---|---|---|---|---|---|
| 2002 | Mariestad Kyrkogatan | 137 | Urban Background | 2697 | 2.05 | 172 | Week | |
| 2001 | Mariestad Kyrkogatan | 137 | Urban Background | 2697 | 2.46 | 175 | Week | |
| 2000 | Mariestad Kyrkogatan | 137 | Urban Background | 2697 | 2.28 | 170 | Week | |
| 1999 | Mariestad Kyrkogatan | 137 | Urban Background | 2697 | 2.78 | 183 | Week | |
| 1998 | Mariestad Kyrkogatan | 137 | Urban Background | 2697 | 3.03 | 176 | Week |