SmogRank / Mildura / Swan Hill
Mildura vs Swan Hill: PM2.5 compared
Over the last year, Mildura's air was 30% more polluted than Swan Hill's: PM2.5 averaged 3.9 µg/m³ against 3.0, on the 175 days both cities were measured. Mildura had the dirtier air on 121 of those days, Swan Hill on 42. Mildura was over the WHO's daily guideline of 15 µg/m³ on 2 of them, Swan Hill on 0.
Right now
The last year, day by day
Month by month
Year by year
| Year | Mildura | Swan Hill | Days Mildura was worse |
|---|---|---|---|
| 2026 so far | 23 | 18 | 107 |
| 2024 | 33 | 18 | 169 |
| 2023 | 12 | 11 | 20 |
Means in US AQI over the days both cities were measured that year; a year shows once they share 30 such days.
Each city's worst days
Mildura
- 24 Jun 20268426.7 µg/m³
- 23 Jun 20267522.0 µg/m³
- 22 Jun 20266114.5 µg/m³
Swan Hill
- 24 Jun 20266014.0 µg/m³
- 25 Apr 20265410.5 µg/m³
- 10 Jul 20265310.2 µg/m³
Daily means in US AQI, with µg/m³ beside them, since the index stops at its top value, over the days both cities were measured in the last year. Each date opens that day's world board.
Compare either city with another
Mildura
Side by side with Tuggeranong (Australia's worst on 30 days), Gujranwala (the world's worst on 30 days).
Swan Hill
Side by side with Bendigo (the nearest), Tuggeranong (Australia's worst on 30 days), Gujranwala (the world's worst on 30 days).
Use this page
SmogRank, PM2.5 daily means compared, Mildura and Swan Hill, 9 Oct 2025 – 8 Oct 2026, smogrank.com/compare/au-mildura/au-swan-hill (accessed 8 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.
The same rules as every SmogRank figure: reference monitors first, and a day counts with 18 measured hours. How we measure.
Updated 2026-10-08 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 readings: Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); Love My Air (City and County of Denver), no reuse terms published (why we use them).