| År | Station | Nationell stationskod | Klassificering | Inlet-id | Medel NO2 µg/m³ (NUT=26, ÖUT=32, MKN=40, miljömål=20, EU2030=20) | Antal dygn | Antal dygn NO2 > 60 µg/m³ (MKN=7) | Antal dygn NO2 > 50 µg/m³ (EU2030=18) | Antal dygn NO2 > 48 µg/m³ (ÖUT=7) | Antal dygn NO2 > 36 µg/m³ (NUT=7) | 98%il dygn NO2 µg/m³ (MKN=60) | Max dygn NO2 | Antal timmar | Antal timmar NO2 > 90 µg/m³ (MKN=175) | Antal timmar NO2 > 72 µg/m³ (ÖUT=175) | Antal timmar NO2 > 54 µg/m³ (NUT=175) | Antal timmar NO2 > 200 µg/m³ (MKN=18, EU2030=3) | Antal timmar NO2 > 140 µg/m³ (ÖUT=18) | Antal timmar NO2 > 100 µg/m³ (NUT=18) | Antal timmar NO2 > 60 µg/m³ (Miljömål=175) | 98%il timme NO2 µg/m³ | Max timme NO2 µg/m³ | Tidsupplösning |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | Sundsvall | 8784 | Urban Background | 186 | 18.70 | 323 | 0.00 | 1.00 | 3.00 | 18.00 | 42.91 | 50.24 | 7751 | 12.00 | 70.00 | 232.00 | 0.00 | 0.00 | 3.00 | 166.00 | 60.74 | 104.62 | Hour |
| 2007 | Sundsvall | 8784 | Urban Background | 186 | 16.42 | 283 | 0.00 | 0.00 | 0.00 | 8.00 | 37.36 | 42.94 | 6802 | 2.00 | 14.00 | 110.00 | 0.00 | 0.00 | 0.00 | 52.00 | 51.00 | 90.71 | Hour |
| 2006 | Sundsvall | 8784 | Urban Background | 854 | 17.06 | 310 | 0.00 | 1.00 | 1.00 | 10.00 | 41.73 | 51.79 | 7432 | 10.00 | 36.00 | 192.00 | 0.00 | 0.00 | 3.00 | 123.00 | 57.20 | 131.99 | Hour |
| 2005 | Sundsvall | 8784 | Urban Background | 186 | 26.64 | 90 | 0.00 | 2.00 | 2.00 | 20.00 | 46.64 | 59.90 | 2159 | 9.00 | 63.00 | 220.00 | 0.00 | 0.00 | 2.00 | 152.00 | 75.51 | 105.87 | Hour |
| 2005 | Sundsvall | 8784 | Urban Background | 854 | 18.83 | 363 | 0.00 | 1.00 | 2.00 | 25.00 | 40.90 | 53.78 | 8714 | 7.00 | 84.00 | 355.00 | 0.00 | 0.00 | 2.00 | 220.00 | 63.23 | 108.33 | Hour |
| 2004 | Sundsvall | 8784 | Urban Background | 186 | 20.21 | 341 | 0.00 | 2.00 | 3.00 | 21.00 | 43.12 | 53.08 | 8191 | 3.00 | 40.00 | 306.00 | 0.00 | 0.00 | 0.00 | 166.00 | 60.16 | 92.58 | Hour |
| 2004 | Sundsvall | 8784 | Urban Background | 854 | 17.69 | 342 | 0.00 | 2.00 | 3.00 | 17.00 | 42.84 | 54.06 | 8200 | 4.00 | 41.00 | 270.00 | 0.00 | 0.00 | 0.00 | 148.00 | 58.99 | 96.50 | Hour |
| 2003 | Sundsvall | 8784 | Urban Background | 186 | 16.57 | 320 | 0.00 | 2.00 | 3.00 | 15.00 | 40.88 | 53.85 | 7683 | 11.00 | 39.00 | 190.00 | 0.00 | 0.00 | 8.00 | 105.00 | 56.46 | 137.59 | Hour |
| 2003 | Sundsvall | 8784 | Urban Background | 854 | 16.20 | 324 | 1.00 | 3.00 | 3.00 | 14.00 | 42.95 | 63.08 | 7765 | 15.00 | 48.00 | 219.00 | 0.00 | 1.00 | 9.00 | 140.00 | 58.23 | 151.45 | Hour |
| 2002 | Sundsvall | 8784 | Urban Background | 186 | 25.60 | 90 | 0.00 | 1.00 | 2.00 | 17.00 | 46.79 | 53.45 | 2160 | 5.00 | 40.00 | 226.00 | 0.00 | 0.00 | 0.00 | 133.00 | 71.04 | 99.76 | Hour |
| 2002 | Sundsvall | 8784 | Urban Background | 854 | 18.86 | 304 | 0.00 | 2.00 | 3.00 | 17.00 | 42.96 | 51.56 | 7298 | 6.00 | 58.00 | 275.00 | 0.00 | 0.00 | 1.00 | 165.00 | 61.34 | 101.72 | Hour |
| 2001 | Sundsvall | 8784 | Urban Background | 186 | 28.85 | 173 | 1.00 | 8.00 | 9.00 | 45.00 | 51.61 | 64.10 | 4148 | 16.00 | 75.00 | 423.00 | 0.00 | 0.00 | 4.00 | 273.00 | 71.08 | 112.45 | Hour |
| 2001 | Sundsvall | 8784 | Urban Background | 854 | 18.98 | 325 | 0.00 | 2.00 | 3.00 | 19.00 | 44.07 | 54.64 | 7790 | 10.00 | 57.00 | 295.00 | 0.00 | 0.00 | 3.00 | 189.00 | 62.00 | 120.13 | Hour |
| 2000 | Sundsvall | 8784 | Urban Background | 186 | 25.82 | 200 | 0.00 | 5.00 | 6.00 | 44.00 | 51.63 | 59.25 | 4793 | 9.00 | 86.00 | 391.00 | 0.00 | 0.00 | 4.00 | 249.00 | 70.14 | 130.47 | Hour |
| 2000 | Sundsvall | 8784 | Urban Background | 854 | 19.68 | 309 | 0.00 | 3.00 | 4.00 | 32.00 | 46.55 | 56.35 | 7408 | 13.00 | 92.00 | 357.00 | 0.00 | 0.00 | 6.00 | 225.00 | 66.22 | 132.45 | Hour |