SmogRank / Australia / New South Wales / Goulburn
Goulburn, month by month
Goulburn has a measured daily mean on 1,286 days since 1 January 2023. Its worst month was June 2025, at 53 US AQI (10.0 µg/m³), 1,296th of 2,508 cities on that month's world ranking. Its cleanest was March 2026, at 20 US AQI (3.6 µg/m³). 2025 averaged 30 US AQI (5.4 µg/m³), against 33 US AQI (5.9 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
2 months
| Month | Why |
|---|---|
| Aug 2025 | 8 of 31 days measured; a month needs 22. The others: 19 with no readings from the monitor, 4 with readings for part of the day (a day needs 18 hours). |
| Jul 2025 | 10 of 31 days measured; a month needs 22. The others: 17 with no readings from the monitor, 4 with readings for part of the day (a day needs 18 hours). |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Goulburn's worst months
| Month | US AQI | World rank |
|---|---|---|
| June 2025 | 5310.0 µg/m³ | 1,296thof 2,508 |
| July 2023 | 519.1 µg/m³ | 751stof 1,432 |
| June 2024 | 519.1 µg/m³ | 911thof 2,563 |
| August 2023 | 447.9 µg/m³ | 1,035thof 1,980 |
| May 2023 | 437.8 µg/m³ | 975thof 1,600 |
| June 2023 | 397.1 µg/m³ | 1,208thof 1,603 |
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.
Goulburn's worst days
| Day | US AQI |
|---|---|
| 27 May 2025 | 7622.4 µg/m³ |
| 7 Jun 2026 | 7421.3 µg/m³ |
| 20 Jun 2024 | 7320.8 µg/m³ |
| 27 Jul 2024 | 6918.6 µg/m³ |
| 20 Jun 2025 | 6818.4 µg/m³ |
| 27 Jun 2025 | 6818.4 µg/m³ |
| 4 Jul 2023 | 6717.7 µg/m³ |
| 28 Jun 2025 | 6717.5 µg/m³ |
| 3 Jul 2023 | 6516.8 µg/m³ |
| 30 May 2025 | 6516.5 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, Goulburn, Australia, 1 Jan 2023 – 12 Oct 2026. Monitor data from NSW DCCEEW, read from the publisher; sources listed at smogrank.com/sources. smogrank.com/au/goulburn/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.
Goulburn now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 22:07 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).