| År | Station | Nationell stationskod | Klassificering | Inlet-id | Medel PM10 µg/m³ (NUT=20, ÖUT=28, MKN=40, Miljömål=15) | Antal dygn | Antal dygn PM10 > 50 µg/m³ (MKN=35) | Antal dygn PM10 > 35 µg/m³ (ÖUT=35) | Antal dygn PM10 > 25 µg/m³ (NUT=35) | Antal dygn PM10 > 30 µg/m³ (Miljömål=35) | 90%il dygn PM10 µg/m³ | Max dygn PM10 µg/m³ | Tidsupplösning |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | Kramfors | 6780 | Urban Background | 1523 | 23.51 | 123 | 20.00 | 27.00 | 35.00 | 31.00 | 59.30 | 132.24 | Day |
| 2009 | Timrå | 144 | Urban Background | 155 | 9.74 | 170 | 0.00 | 1.00 | 6.00 | 2.00 | 17.32 | 35.23 | Day |
| 2005 | Kramfors | 6780 | Urban Background | 1523 | 11.55 | 58 | 0.00 | 0.00 | 3.00 | 1.00 | 19.48 | 32.01 | Day |
| 2005 | Timrå | 144 | Urban Background | 155 | 12.63 | 181 | 3.00 | 5.00 | 18.00 | 8.00 | 26.36 | 74.52 | Day |
| 2003 | Timrå | 144 | Urban Background | 155 | 13.48 | 160 | 3.00 | 8.00 | 19.00 | 11.00 | 27.22 | 79.14 | Day |