| År | Station | Nationell stationskod | Klassificering | Inlet-id | Årsmedel SO2 µg/m³ (NUT=8, ÖUT=12, MKN=20, EU2030=20) | Medelvärde vinter SO2 µg/m³ (NUT=8, ÖUT=12, MKN=20) | Antal dygn | Antal dygn SO2 > 125 µg/m³ (MKN=3) | Antal dygn SO2 > 100 µg/m³ (MKN=7) | Antal dygn SO2 > 75 µg/m³ (ÖUT=3) | Antal dygn SO2 > 50 µg/m³ (NUT=3, EU2030=18) | Max dygn SO2 µg/m³ | Antal timmar | Antal timmar SO2 > 350 µg/m³ (MKN=24, EU2030=3) | Antal timmar SO2 > 200 µg/m³ (MKN=175) | Antal timmar SO2 > 100 µg/m³ (NUT=175) | Antal timmar SO2 > 150 µg/m³ (ÖUT=175) | 98%il timme SO2 µg/m³ | Max timme SO2 µg/m³ | Tidsupplösning |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | Helsingborg Norr | 9577 | Urban Background | 519 | 1.18 | 1.28 | 69 | 0.00 | 0.00 | 0.00 | 0.00 | 2.97 | 1663 | 0.00 | 0.00 | 0.00 | 0.00 | 3.86 | 7.94 | Hour |
| 2023 | Helsingborg Norr | 9577 | Urban Background | 519 | 1.32 | 1.75 | 341 | 0.00 | 0.00 | 0.00 | 0.00 | 4.66 | 8304 | 0.00 | 0.00 | 0.00 | 0.00 | 4.12 | 11.34 | Hour |
| 2022 | Helsingborg Norr | 9577 | Urban Background | 519 | 1.74 | 1.31 | 344 | 0.00 | 0.00 | 0.00 | 0.00 | 12.63 | 8122 | 0.00 | 0.00 | 2.00 | 1.00 | 6.14 | 191.28 | Hour |
| 2021 | Helsingborg Norr | 9577 | Urban Background | 519 | 0.85 | 0.96 | 238 | 0.00 | 0.00 | 0.00 | 0.00 | 4.54 | 5714 | 0.00 | 0.00 | 0.00 | 0.00 | 3.86 | 17.38 | Hour |
| 2020 | Helsingborg Norr | 9577 | Urban Background | 519 | 1.69 | 1.53 | 357 | 0.00 | 0.00 | 0.00 | 0.00 | 5.59 | 8602 | 0.00 | 0.00 | 0.00 | 0.00 | 4.85 | 23.71 | Hour |
| 2019 | Helsingborg Norr | 9577 | Urban Background | 519 | 1.21 | 1.46 | 349 | 0.00 | 0.00 | 0.00 | 0.00 | 9.42 | 8497 | 0.00 | 0.00 | 0.00 | 0.00 | 3.65 | 56.74 | Hour |
| 2018 | Helsingborg Norr | 9577 | Urban Background | 519 | 1.48 | 0.98 | 331 | 0.00 | 0.00 | 0.00 | 0.00 | 10.32 | 8114 | 0.00 | 0.00 | 0.00 | 0.00 | 4.57 | 98.87 | Hour |
| 2017 | Helsingborg Norr | 9577 | Urban Background | 519 | 1.10 | 1.23 | 350 | 0.00 | 0.00 | 0.00 | 0.00 | 33.24 | 8458 | 1.00 | 2.00 | 2.00 | 2.00 | 3.58 | 546.70 | Hour |
| 2016 | Helsingborg Norr | 9577 | Urban Background | 519 | 1.62 | 1.97 | 345 | 0.00 | 0.00 | 0.00 | 0.00 | 7.97 | 8374 | 0.00 | 0.00 | 0.00 | 0.00 | 4.26 | 61.47 | Hour |
| 2015 | Helsingborg Norr | 9577 | Urban Background | 519 | 1.89 | 1.99 | 314 | 0.00 | 0.00 | 0.00 | 0.00 | 7.95 | 7744 | 0.00 | 0.00 | 0.00 | 0.00 | 4.40 | 74.00 | Hour |
| 2014 | Helsingborg Norr | 9577 | Urban Background | 519 | 1.60 | 1.56 | 351 | 0.00 | 0.00 | 0.00 | 0.00 | 10.78 | 8477 | 0.00 | 0.00 | 0.00 | 0.00 | 6.88 | 38.12 | Hour |
| 2013 | Helsingborg Norr | 9577 | Urban Background | 519 | 1.74 | 1.98 | 339 | 0.00 | 0.00 | 0.00 | 0.00 | 7.24 | 8267 | 0.00 | 0.00 | 0.00 | 0.00 | 6.00 | 20.80 | Hour |
| 2012 | Helsingborg Norr | 9577 | Urban Background | 519 | 2.19 | 2.24 | 361 | 0.00 | 0.00 | 0.00 | 0.00 | 5.43 | 8655 | 0.00 | 0.00 | 0.00 | 0.00 | 6.88 | 27.87 | Hour |
| 2011 | Helsingborg Norr | 9577 | Urban Background | 519 | 2.29 | 1.83 | 317 | 0.00 | 0.00 | 0.00 | 0.00 | 10.92 | 7900 | 0.00 | 0.00 | 0.00 | 0.00 | 8.84 | 55.29 | Hour |
| 2010 | Helsingborg Norr | 9577 | Urban Background | 519 | 2.21 | 2.76 | 282 | 0.00 | 0.00 | 0.00 | 0.00 | 9.27 | 7083 | 0.00 | 0.00 | 0.00 | 0.00 | 8.72 | 41.94 | Hour |
| 2009 | Helsingborg Norr | 9577 | Urban Background | 519 | 3.07 | 3.20 | 310 | 0.00 | 0.00 | 0.00 | 0.00 | 8.94 | 7792 | 0.00 | 0.00 | 0.00 | 0.00 | 11.61 | 34.31 | Hour |
| 2008 | Helsingborg Norr | 9577 | Urban Background | 519 | 3.35 | 2.52 | 312 | 0.00 | 0.00 | 0.00 | 0.00 | 39.80 | 7908 | 1.00 | 2.00 | 3.00 | 2.00 | 11.23 | 385.58 | Hour |
| 2007 | Helsingborg Norr | 9577 | Urban Background | 519 | 3.28 | 3.55 | 273 | 0.00 | 0.00 | 0.00 | 0.00 | 19.00 | 7079 | 0.00 | 0.00 | 0.00 | 0.00 | 13.56 | 55.85 | Hour |
| 2006 | Helsingborg Norr | 9577 | Urban Background | 519 | 3.86 | 4.22 | 352 | 0.00 | 0.00 | 0.00 | 0.00 | 16.53 | 8459 | 0.00 | 0.00 | 0.00 | 0.00 | 13.55 | 51.39 | Hour |
| 2005 | Helsingborg Norr | 9577 | Urban Background | 519 | 4.12 | 3.72 | 353 | 0.00 | 0.00 | 0.00 | 0.00 | 14.73 | 8473 | 0.00 | 0.00 | 0.00 | 0.00 | 15.21 | 57.67 | Hour |
| 2004 | Helsingborg Norr | 9577 | Urban Background | 519 | 3.87 | 3.78 | 327 | 0.00 | 0.00 | 0.00 | 0.00 | 10.70 | 8036 | 0.00 | 0.00 | 0.00 | 0.00 | 14.62 | 76.96 | Hour |
| 2003 | Helsingborg Norr | 9577 | Urban Background | 519 | 4.31 | 4.11 | 341 | 0.00 | 0.00 | 0.00 | 0.00 | 16.26 | 8225 | 0.00 | 0.00 | 0.00 | 0.00 | 15.44 | 50.87 | Hour |
| 2002 | Helsingborg Norr | 9577 | Urban Background | 519 | 2.94 | 3.22 | 316 | 0.00 | 0.00 | 0.00 | 0.00 | 10.07 | 7796 | 0.00 | 0.00 | 0.00 | 0.00 | 11.61 | 45.47 | Hour |
| 2001 | Helsingborg Norr | 9577 | Urban Background | 519 | 3.81 | 4.69 | 334 | 0.00 | 0.00 | 0.00 | 0.00 | 21.35 | 8105 | 0.00 | 0.00 | 2.00 | 0.00 | 13.81 | 123.57 | Hour |