SmogRank / Austria / Lower Austria / Bad Vöslau
Bad Vöslau, month by month
Bad Vöslau has a measured daily mean on 742 days since 1 January 2023. Its worst month was February 2025, at 68 US AQI (18.0 µg/m³), 695th of 2,633 cities on that month's world ranking. Its cleanest was September 2025, at 26 US AQI (4.7 µg/m³). 2025 averaged 47 US AQI (8.5 µg/m³), against 39 US AQI (7.1 µg/m³) in 2023.
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
23 months
| Month | Why |
|---|---|
| Oct 2026 | No day measured. |
| Sep 2026 | No day measured. |
| Aug 2026 | No day measured. |
| Jul 2026 | No day measured. |
| Jun 2026 | No day measured. |
| May 2026 | No day measured. |
| Apr 2026 | No day measured. |
| Mar 2026 | No day measured. |
| Feb 2026 | No day measured. |
| Jan 2026 | No day measured. |
| Oct 2025 | 13 of 31 days measured; a month needs 22. The others: 18 with under 18 hours of readings or readings that failed our checks. |
| Nov 2024 | 7 of 30 days measured; a month needs 21. The others: 23 with under 18 hours of readings or readings that failed our checks. |
| Oct 2024 | 3 of 31 days measured; a month needs 22. The others: 28 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 | 5 of 31 days measured; a month needs 22. The others: 26 with under 18 hours of readings or readings that failed our checks. |
| Jul 2024 | 9 of 31 days measured; a month needs 22. The others: 22 with under 18 hours of readings or readings that failed our checks. |
| Jun 2024 | 9 of 30 days measured; a month needs 21. The others: 21 with under 18 hours of readings or readings that failed our checks. |
| May 2024 | 11 of 31 days measured; a month needs 22. The others: 20 with under 18 hours of readings or readings that failed our checks. |
| Apr 2024 | 11 of 30 days measured; a month needs 21. The others: 19 with under 18 hours of readings or readings that failed our checks. |
| Mar 2024 | 11 of 31 days measured; a month needs 22. The others: 20 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 | 2 of 28 days measured; a month needs 20. The others: 25 missing from OpenAQ's archive, 1 with under 18 hours of readings or readings that failed our checks. |
| Jan 2023 | 9 of 31 days measured; a month needs 22. The others: 7 missing from OpenAQ's archive, 15 with under 18 hours of readings or readings that failed our checks. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Bad Vöslau's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| February 2025 | 6818.0 µg/m³ | 695thof 2,633 | Europe, 14 February to 1 March 2025 Europe, 1 to 14 February 2025 |
| January 2025 | 5812.8 µg/m³ | 636thof 2,474 | Germany, France and 19 more countries, January 2025 Europe, 24 December 2024 to 3 January 2025 |
| January 2024 | 5612.0 µg/m³ | 697thof 2,385 | Europe, 27 January to 2 February 2024 Europe, 8 to 27 January 2024 |
| December 2025 | 5410.9 µg/m³ | 1,149thof 3,006 | – |
| December 2023 | 5410.5 µg/m³ | 606thof 2,247 | Europe, December 2023 |
| December 2024 | 529.9 µg/m³ | 898thof 2,616 | Europe, 24 December 2024 to 3 January 2025 |
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.
Bad Vöslau's worst days
| Day | US AQI | Episode |
|---|---|---|
| 7 May 2024 | 193115.0 µg/m³ | – |
| 1 Jan 2025 | 10336.2 µg/m³ | Europe, 24 December 2024 to 3 January 2025 |
| 31 Dec 2024 | 9834.1 µg/m³ | Europe, 24 December 2024 to 3 January 2025 |
| 23 Feb 2025 | 9633.2 µg/m³ | Europe, 14 February to 1 March 2025 |
| 10 Jan 2024 | 9231.2 µg/m³ | Europe, 8 to 27 January 2024 |
| 31 Jan 2024 | 9130.5 µg/m³ | Europe, 27 January to 2 February 2024 |
| 2 Jan 2025 | 9030.1 µg/m³ | Europe, 24 December 2024 to 3 January 2025 |
| 1 Mar 2024 | 8929.4 µg/m³ | Europe, February and March 2024 |
| 6 Dec 2023 | 8829.2 µg/m³ | Europe, December 2023 |
| 13 Feb 2025 | 8828.8 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, Bad Vöslau, Austria, 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/at/bad-voeslau/history (accessed 12 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.
Bad Vöslau now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 23:07 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).