Nitrogen dioxide concentrations in European capital cities - monthly in Helsinki
Helsinki: Nitrogen dioxide concentrations in European capital cities - monthly was 8.8 in 2026. ▼ Falling
Latest (2026)
8.8
Change on year
up 1.1%
Rank
26th
of 30 regions
All-time high
23.8
in 2022
All-time low
8.7
in 2025
Years of data
9
2018–2026
Nitrogen dioxide concentrations in European capital cities - monthly in Helsinki, 2018–2026
Source: Eurostat.
Analysis
The most recent figure for nitrogen dioxide concentrations in european capital cities - monthly in Helsinki is 8.8, measured in 2026.
The figure is up 1.1% on the previous year and down 57.9% over ten years.
Over the whole period, nitrogen dioxide concentrations in european capital cities - monthly in Helsinki peaked at 23.8 in 2022 and was at its lowest, 8.7, in 2025.
Helsinki ranks 26th of 30 regions on this measure, in the bottom quarter.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 19.45 | 18 | 20.9 | 2 |
| 2020s | 15.07 | 8.7 | 23.8 | 7 |
More reference data data for Helsinki
Frequently asked questions
- What is nitrogen dioxide concentrations in european capital cities - monthly in Helsinki?
- Nitrogen dioxide concentrations in european capital cities - monthly in Helsinki was 8.8 in 2026, according to Eurostat.
- What is the highest nitrogen dioxide concentrations in european capital cities - monthly recorded in Helsinki?
- The highest recorded value was 23.8 in 2022.
- What is the lowest nitrogen dioxide concentrations in european capital cities - monthly recorded in Helsinki?
- The lowest recorded value was 8.7 in 2025.
- How does Helsinki rank for nitrogen dioxide concentrations in european capital cities - monthly?
- Helsinki ranks 26th out of 30 regions with data for 2026.
- Is nitrogen dioxide concentrations in european capital cities - monthly rising or falling in Helsinki?
- Over the last ten years it is down 57.9%. The long-run trend across the full record is falling.
- Where does this Helsinki 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.
Download this data
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