Nitrogen dioxide concentrations in European capital cities - monthly in Sofia
Sofia: Nitrogen dioxide concentrations in European capital cities - monthly was 17.4 Micrograms per cubic metre in 2026. ▼ Falling
Latest (2026)
17.4 Micrograms per cubic metre
Change on year
down 48.8%
Rank
7th
of 30 regions
All-time high
46.1 Micrograms per cubic metre
in 2019
All-time low
17.4 Micrograms per cubic metre
in 2026
Years of data
9
2018–2026
Nitrogen dioxide concentrations in European capital cities - monthly in Sofia, 2018–2026
Source: Eurostat. Measured in Micrograms per cubic metre.
Analysis
Sofia recorded 17.4 Micrograms per cubic metre for nitrogen dioxide concentrations in european capital cities - monthly in 2026. That is the lowest value across all 9 years on record.
That represents a change of down 48.8% on the previous year and down 51.4% over ten years.
Over the whole period, nitrogen dioxide concentrations in european capital cities - monthly in Sofia peaked at 46.1 Micrograms per cubic metre in 2019 and was at its lowest, 17.4 Micrograms per cubic metre, in 2026.
Sofia ranks 7th of 30 regions on this measure, in the top quarter.
Nitrogen dioxide concentrations in European capital cities - monthly in Sofia, year by year
| Year | Micrograms per cubic metre | Change |
|---|---|---|
| 2018 | 35.8 Micrograms per cubic metre | — |
| 2019 | 46.1 Micrograms per cubic metre | +28.8% |
| 2020 | 32.7 Micrograms per cubic metre | -29.1% |
| 2021 | 29.5 Micrograms per cubic metre | -9.8% |
| 2022 | 35 Micrograms per cubic metre | +18.6% |
| 2023 | 31 Micrograms per cubic metre | -11.4% |
| 2024 | 28.5 Micrograms per cubic metre | -8.1% |
| 2025 | 34 Micrograms per cubic metre | +19.3% |
| 2026 | 17.4 Micrograms per cubic metre | -48.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 40.95 Micrograms per cubic metre | 35.8 Micrograms per cubic metre | 46.1 Micrograms per cubic metre | 2 |
| 2020s | 29.73 Micrograms per cubic metre | 17.4 Micrograms per cubic metre | 35 Micrograms per cubic metre | 7 |
More reference data data for Sofia
- Cooling and heating degree days by NUTS 2 regions - annual data 5.37 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs — Cooling degree 80.55 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling 7.53 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 2,293 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -481.23 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -21.67 % change on previous year (2025)
- Cooling and heating degree days by NUTS 2 regions - monthly data -5.43 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs, annual growth rate -3.6 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling -93.7 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs — Cooling degree -58.15 % change on previous year (2025)
Frequently asked questions
- What is nitrogen dioxide concentrations in european capital cities - monthly in Sofia?
- Nitrogen dioxide concentrations in european capital cities - monthly in Sofia was 17.4 Micrograms per cubic metre in 2026, according to Eurostat.
- What is the highest nitrogen dioxide concentrations in european capital cities - monthly recorded in Sofia?
- The highest recorded value was 46.1 Micrograms per cubic metre in 2019.
- What is the lowest nitrogen dioxide concentrations in european capital cities - monthly recorded in Sofia?
- The lowest recorded value was 17.4 Micrograms per cubic metre in 2026.
- How does Sofia rank for nitrogen dioxide concentrations in european capital cities - monthly?
- Sofia ranks 7th out of 30 regions with data for 2026.
- Is nitrogen dioxide concentrations in european capital cities - monthly rising or falling in Sofia?
- Over the last ten years it is down 51.4%. The long-run trend across the full record is falling.
- Where does this Sofia 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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