SmogRank / Canberra / Maryborough

Canberra vs Maryborough: PM2.5 compared

Over the last year, Canberra and Maryborough had about the same air: PM2.5 averaged 5.9 and 5.8 µg/m³, on the 267 days both cities were measured. Canberra had the dirtier air on 127 of those days, Maryborough on 133. Canberra was over the WHO's daily guideline of 15 µg/m³ on 4 of them, Maryborough on 5.

Right now

Canberra#1,420on the 24-hour board of 2,504, at 28 US AQI (5.0 µg/m³)
Maryborough–not on the 24-hour board right now

The last year, day by day

Canberra
Maryborough
Each city's daily mean from 10 Oct 2025 to 9 Oct 2026, one stripe a day, coloured by band. A blank stripe is a day without a daily mean.

Month by month

Canberra, Nov 2025: 4.3 µg/m³Maryborough, Nov 2025: 6.7 µg/m³Nov2025Canberra, Dec 2025: 5.6 µg/m³Maryborough, Dec 2025: 5.1 µg/m³DecCanberra, Jan 2026: 7.0 µg/m³Maryborough, Jan 2026: 5.4 µg/m³Jan2026Canberra, Feb 2026: 5.9 µg/m³Maryborough, Feb 2026: 4.9 µg/m³FebCanberra, Mar 2026: 4.6 µg/m³Maryborough, Mar 2026: 4.5 µg/m³MarCanberra, Apr 2026: 8.2 µg/m³Maryborough, Apr 2026: 5.7 µg/m³AprCanberra, May 2026: 4.9 µg/m³Maryborough, May 2026: 5.4 µg/m³MayCanberra, Jun 2026: 7.2 µg/m³Maryborough, Jun 2026: 7.4 µg/m³JunCanberra, Jul 2026: 5.3 µg/m³Maryborough, Jul 2026: 6.0 µg/m³JulAugSepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Canberra. Faded: Maryborough. A month shows once both share 10 such days. Dashed line: the WHO daily guideline, 15 µg/m³.

Year by year

YearCanberraMaryboroughDays both measuredDays Canberra was worse
2026 so far3431188101
20253331357191
20243633291145
2023313422192

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

Canberra

Maryborough

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

Canberra

Side by side with Tuggeranong (the nearest), Gujranwala (the world's worst on 30 days).

Maryborough

Side by side with Sunshine Coast (the nearest), Gujranwala (the world's worst on 30 days).

Use this page

SmogRank, PM2.5 daily means compared, Canberra and Maryborough, 10 Oct 2025 – 9 Oct 2026, smogrank.com/compare/au-canberra/au-maryborough (accessed 9 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 2026-10-09 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).