Nitrogen dioxide concentrations in European capital cities - monthly a in Oslo
Oslo: Nitrogen dioxide concentrations in European capital cities - monthly a was 9.8 Micrograms per cubic metre in 2026. ▼ Falling
Nitrogen dioxide concentrations in European capital cities - monthly a in Oslo, 2018–2026
Source: Eurostat. Measured in Micrograms per cubic metre.
Analysis
Oslo recorded 9.8 Micrograms per cubic metre for nitrogen dioxide concentrations in european capital cities - monthly a in 2026. That is the lowest value across all 9 years on record.
Compared with earlier readings it is down 51.5% on the previous year and down 75.7% over ten years.
Over the whole period, nitrogen dioxide concentrations in european capital cities - monthly a in Oslo peaked at 40.4 Micrograms per cubic metre in 2018 and was at its lowest, 9.8 Micrograms per cubic metre, in 2026.
That places Oslo 25th out of 30 regions with data for 2026, putting it in the bottom quarter.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 38.3 Micrograms per cubic metre | 36.2 Micrograms per cubic metre | 40.4 Micrograms per cubic metre | 2 |
| 2020s | 24.93 Micrograms per cubic metre | 9.8 Micrograms per cubic metre | 34 Micrograms per cubic metre | 7 |
More reference data data for Oslo
- Cooling and heating degree days by NUTS 2 regions - monthly data 521.9 (2025)
- Cooling and heating degree days by NUTS 2 regions - annual data 3,849 (2025)
- Deaths (total) by NUTS 3 region 3,944 (2024)
- Deaths by week, sex and NUTS 3 region 66 (2026)
- Deaths by week and NUTS 3 region 66 (2026)
- Deaths by week, sex, 5-year age group and NUTS 3 region 66 (2026)
- Correction coefficients outside the European Union (Duty stations) - i 115.8 Index (2025)
- Purchasing Power Parities outside the European Union (Duty stations) 13.66 Purchasing power standard (PPS) (2025)
- Road accidents by NUTS 3 region 341 (2024)
- Correction coefficients outside the European Union (Duty stations) - i 115.8 Index (2025)
Frequently asked questions
- What is nitrogen dioxide concentrations in european capital cities - monthly a in Oslo?
- Nitrogen dioxide concentrations in european capital cities - monthly a in Oslo was 9.8 Micrograms per cubic metre in 2026, according to Eurostat.
- What is the highest nitrogen dioxide concentrations in european capital cities - monthly a recorded in Oslo?
- The highest recorded value was 40.4 Micrograms per cubic metre in 2018.
- What is the lowest nitrogen dioxide concentrations in european capital cities - monthly a recorded in Oslo?
- The lowest recorded value was 9.8 Micrograms per cubic metre in 2026.
- How does Oslo rank for nitrogen dioxide concentrations in european capital cities - monthly a?
- Oslo ranks 25th out of 30 regions with data for 2026.
- Is nitrogen dioxide concentrations in european capital cities - monthly a rising or falling in Oslo?
- Over the last ten years it is down 75.7%. The long-run trend across the full record is falling.
- Where does this Oslo data come from?
- The figures come from Eurostat, published as part of Nitrogen dioxide concentrations in European capital cities - monthly averages, experimental statistics. Statizoid updates them automatically from the source API.
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