Nitrogen dioxide concentrations in European capital cities - monthly in Roma
Roma: Nitrogen dioxide concentrations in European capital cities - monthly was 17.6 Micrograms per cubic metre in 2026. ▼ Falling
Nitrogen dioxide concentrations in European capital cities - monthly in Roma, 2018–2026
Source: Eurostat. Measured in Micrograms per cubic metre.
Analysis
The most recent figure for nitrogen dioxide concentrations in european capital cities - monthly in Roma is 17.6 Micrograms per cubic metre, measured in 2026. That is the lowest value across all 9 years on record.
Compared with earlier readings it is down 50.8% on the previous year and down 63.9% over ten years.
Over the whole period, nitrogen dioxide concentrations in european capital cities - monthly in Roma peaked at 48.7 Micrograms per cubic metre in 2018 and was at its lowest, 17.6 Micrograms per cubic metre, in 2026.
That places Roma 6th out of 30 regions with data for 2026, putting it in the top quarter.
Nitrogen dioxide concentrations in European capital cities - monthly in Roma, year by year
| Year | Micrograms per cubic metre | Change |
|---|---|---|
| 2018 | 48.7 Micrograms per cubic metre | — |
| 2019 | 45.6 Micrograms per cubic metre | -6.4% |
| 2020 | 40.1 Micrograms per cubic metre | -12.1% |
| 2021 | 41.8 Micrograms per cubic metre | +4.2% |
| 2022 | 39.9 Micrograms per cubic metre | -4.5% |
| 2023 | 39.9 Micrograms per cubic metre | +0.0% |
| 2024 | 33.8 Micrograms per cubic metre | -15.3% |
| 2025 | 35.8 Micrograms per cubic metre | +5.9% |
| 2026 | 17.6 Micrograms per cubic metre | -50.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 47.15 Micrograms per cubic metre | 45.6 Micrograms per cubic metre | 48.7 Micrograms per cubic metre | 2 |
| 2020s | 35.56 Micrograms per cubic metre | 17.6 Micrograms per cubic metre | 41.8 Micrograms per cubic metre | 7 |
More reference data data for Roma
- Cooling and heating degree days by NUTS 2 regions - annual data -1.42 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs — Cooling degree 336.49 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling 81.54 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 703.45 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -393.24 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -52.09 % change on previous year (2025)
- Cooling and heating degree days by NUTS 2 regions - monthly data -13.53 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs, annual growth rate -16.07 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling -59.62 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs — Cooling degree -26.35 % change on previous year (2025)
Frequently asked questions
- What is nitrogen dioxide concentrations in european capital cities - monthly in Roma?
- Nitrogen dioxide concentrations in european capital cities - monthly in Roma was 17.6 Micrograms per cubic metre in 2026, according to Eurostat.
- What is the highest nitrogen dioxide concentrations in european capital cities - monthly recorded in Roma?
- The highest recorded value was 48.7 Micrograms per cubic metre in 2018.
- What is the lowest nitrogen dioxide concentrations in european capital cities - monthly recorded in Roma?
- The lowest recorded value was 17.6 Micrograms per cubic metre in 2026.
- How does Roma rank for nitrogen dioxide concentrations in european capital cities - monthly?
- Roma ranks 6th out of 30 regions with data for 2026.
- Is nitrogen dioxide concentrations in european capital cities - monthly rising or falling in Roma?
- Over the last ten years it is down 63.9%. The long-run trend across the full record is falling.
- Where does this Roma 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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CSV · JSON — 9 observations, free to reuse under CC BY 4.0 (Eurostat).