SmogRank / Hungary / Fejér / Dunaújváros
Dunaújváros, month by month
Dunaújváros has a measured daily mean on 1,100 days since 1 January 2023. Its worst month was January 2026, at 78 US AQI (23.5 µg/m³), 288th of 2,617 cities on that month's world ranking. Its cleanest was May 2025, at 43 US AQI (7.8 µg/m³). 2025 averaged 56 US AQI (11.9 µg/m³), against 59 US AQI (13.5 µg/m³) in 2024.
Every month since 2023
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
Months without a mean, and why
11 months
| Month | Why |
|---|---|
| Jun 2026 | 16 of 30 days measured; a month needs 21. The others: 14 with under 18 hours of readings or readings that failed our checks. |
| Oct 2025 | 20 of 31 days measured; a month needs 22. The others: 11 with under 18 hours of readings or readings that failed our checks. |
| Jun 2025 | 17 of 30 days measured; a month needs 21. The others: 13 with under 18 hours of readings or readings that failed our checks. |
| Apr 2025 | 12 of 30 days measured; a month needs 21. The others: 18 with under 18 hours of readings or readings that failed our checks. |
| Mar 2025 | 18 of 31 days measured; a month needs 22. The others: 13 with under 18 hours of readings or readings that failed our checks. |
| Oct 2024 | 15 of 31 days measured; a month needs 22. The others: 16 with under 18 hours of readings or readings that failed our checks. |
| Sep 2024 | No day measured. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| Aug 2024 | 14 of 31 days measured; a month needs 22. The others: 17 with under 18 hours of readings or readings that failed our checks. |
| Mar 2024 | 15 of 31 days measured; a month needs 22. The others: 16 with under 18 hours of readings or readings that failed our checks. |
| Mar 2023 | 11 of 31 days measured; a month needs 22. The others: 20 missing from OpenAQ's archive. |
| Feb 2023 | 3 of 28 days measured; a month needs 20. The others: 25 missing from OpenAQ's archive. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Dunaújváros's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| January 2026 | 7823.5 µg/m³ | 288thof 2,617 | Europe, January and February 2026 Eastern Europe, January 2026 |
| February 2025 | 7722.9 µg/m³ | 363rdof 2,633 | Europe, 14 February to 1 March 2025 Europe, 1 to 14 February 2025 |
| November 2024 | 7421.6 µg/m³ | 175thof 2,624 | Eastern Europe, 30 November to 8 December 2024 Southern Europe, November 2024and 2 more |
| December 2024 | 6818.1 µg/m³ | 334thof 2,616 | Europe, 24 December 2024 to 3 January 2025 Eastern Europe, 30 November to 8 December 2024 |
| March 2026 | 6315.4 µg/m³ | 811thof 2,971 | Europe, 1 to 12 March 2026 |
| January 2024 | 6215.0 µg/m³ | 462ndof 2,385 | – |
Monthly means over the days measured; finished months only. World rank: its place on that month's world ranking of every city with enough days. Each month opens that ranking.
Dunaújváros's worst days
| Day | US AQI | Episode |
|---|---|---|
| 22 Jan 2026 | 15764.5 µg/m³ | Europe, January and February 2026 |
| 10 Jan 2026 | 15155.8 µg/m³ | Eastern Europe, January 2026 |
| 1 Apr 2024 | 14051.4 µg/m³ | Europe, March and April 2024 |
| 29 Dec 2024 | 13549.4 µg/m³ | Europe, 24 December 2024 to 3 January 2025 |
| 16 Jan 2026 | 13348.3 µg/m³ | Europe, January and February 2026 |
| 28 Dec 2024 | 12143.6 µg/m³ | Europe, 24 December 2024 to 3 January 2025 |
| 23 Jan 2026 | 11641.5 µg/m³ | Europe, January and February 2026 |
| 21 Jan 2026 | 11641.4 µg/m³ | Europe, January and February 2026 |
| 8 Nov 2024 | 11340.2 µg/m³ | Europe, November 2024 |
| 6 Feb 2025 | 11139.7 µg/m³ | Europe, 1 to 14 February 2025 |
Daily means, the highest since 1 Jan 2023; the WHO's daily guideline is 15 µg/m³. Each date opens that day's world ranking, and each episode the bad-air spell it was part of.
Use this history
SmogRank, PM2.5 monthly and daily means, Dunaújváros, Hungary, 1 Jan 2023 – 12 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/hu/dunaujvaros/history (accessed 13 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.
Dunaújváros now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-13 01:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some low-cost readings: Sensor.Community, ODbL (data and licence). Some readings: Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); RMCAB (Secretaría Distrital de Ambiente, Bogotá); Love My Air (City and County of Denver), no reuse terms published (why we use them).