SmogRank / Australia / Victoria / Swan Hill
Swan Hill, month by month
Swan Hill has a measured daily mean on 503 days since 1 January 2023. Its worst month was May 2024, at 39 US AQI (7.0 µg/m³), 1,692nd of 2,684 cities on that month's world ranking. Its cleanest was January 2023, at 9 US AQI (1.6 µg/m³).
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
31 months
| Month | Why |
|---|---|
| Oct 2026 | 4 of 12 days measured; a month needs 9. The others: 8 with no readings from the monitor. |
| Sep 2026 | No day measured. The others: 30 with no readings from the monitor. |
| Aug 2026 | No day measured. The others: 31 with no readings from the monitor. |
| Mar 2026 | 1 of 31 days measured; a month needs 22. The others: 28 with no readings from the monitor, 2 with readings for part of the day (a day needs 18 hours). |
| Dec 2025 | 20 of 31 days measured; a month needs 22. The others: 10 with no readings from the monitor, 1 with readings for part of the day (a day needs 18 hours). |
| Nov 2025 | No day measured. The others: 30 with no readings from the monitor. |
| Oct 2025 | No day measured. The others: 31 with no readings from the monitor. |
| Sep 2025 | No day measured. The others: 30 with no readings from the monitor. |
| Aug 2025 | No day measured. The others: 31 with no readings from the monitor. |
| Jul 2025 | No day measured. The others: 31 with no readings from the monitor. |
| Jun 2025 | No day measured. The others: 30 with no readings from the monitor. |
| May 2025 | No day measured. The others: 31 with no readings from the monitor. |
| Apr 2025 | No day measured. The others: 30 with no readings from the monitor. |
| Mar 2025 | No day measured. The others: 31 with no readings from the monitor. |
| Feb 2025 | No day measured. The others: 28 with no readings from the monitor. |
| Jan 2025 | 8 of 31 days measured; a month needs 22. The others: 22 with no readings from the monitor, 1 with readings for part of the day (a day needs 18 hours). |
| Apr 2024 | 19 of 30 days measured; a month needs 21. The others: 11 with no readings from the monitor. |
| Mar 2024 | No day measured. The others: 31 with no readings from the monitor. |
| Feb 2024 | No day measured. The others: 28 with no readings from the monitor, 1 missing from OpenAQ's archive. |
| Jan 2024 | No day measured. The others: 31 with no readings from the monitor. |
| Dec 2023 | No day measured. The others: 31 with no readings from the monitor. |
| Nov 2023 | No day measured. The others: 30 with no readings from the monitor. |
| Oct 2023 | No day measured. The others: 31 with no readings from the monitor. |
| Sep 2023 | No day measured. The others: 30 with no readings from the monitor. |
| Aug 2023 | No day measured. The others: 31 with no readings from the monitor. |
| Jul 2023 | No day measured. The others: 30 with no readings from the monitor, 1 missing from OpenAQ's archive. |
| Jun 2023 | No day measured. The others: 30 with no readings from the monitor. |
| May 2023 | No day measured. The others: 31 with no readings from the monitor. |
| Apr 2023 | 4 of 30 days measured; a month needs 21. The others: 22 with no readings from the monitor, 1 with readings for part of the day (a day needs 18 hours), 3 missing from OpenAQ's archive. |
| Mar 2023 | 7 of 31 days measured; a month needs 22. The others: 5 with readings for part of the day (a day needs 18 hours), 19 missing from OpenAQ's archive. |
| Feb 2023 | 2 of 28 days measured; a month needs 20. The others: 1 with readings for part of the day (a day needs 18 hours), 25 missing from OpenAQ's archive. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Swan Hill's worst months
| Month | US AQI | World rank |
|---|---|---|
| May 2024 | 397.0 µg/m³ | 1,692ndof 2,684 |
| April 2026 | 223.9 µg/m³ | 2,738thof 2,941 |
| January 2026 | 213.7 µg/m³ | 2,529thof 2,617 |
| June 2026 | 213.7 µg/m³ | 2,354thof 2,497 |
| August 2024 | 203.6 µg/m³ | 1,978thof 2,010 |
| June 2024 | 193.4 µg/m³ | 2,450thof 2,563 |
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.
Swan Hill's worst days
| Day | US AQI |
|---|---|
| 27 May 2024 | 7823.8 µg/m³ |
| 28 May 2024 | 7521.8 µg/m³ |
| 29 May 2024 | 6918.8 µg/m³ |
| 19 Jun 2024 | 6717.6 µg/m³ |
| 16 Apr 2024 | 6315.4 µg/m³ |
| 22 Dec 2024 | 6114.5 µg/m³ |
| 24 Jun 2026 | 6014.0 µg/m³ |
| 13 Jan 2026 | 6013.7 µg/m³ |
| 19 Aug 2024 | 5913.4 µg/m³ |
| 26 May 2024 | 5712.1 µg/m³ |
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, Swan Hill, Australia, 1 Jan 2023 – 12 Oct 2026. Monitor data from EPA Victoria, read from the publisher; sources listed at smogrank.com/sources. smogrank.com/au/swan-hill/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.
Swan Hill now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 20:07 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).