SmogRank / Graz / Leoben

Graz vs Leoben: PM2.5 compared

Over the last year, Graz's air was 18% more polluted than Leoben's: PM2.5 averaged 13.5 µg/m³ against 11.4, on the 256 days both cities were measured. Graz had the dirtier air on 140 of those days, Leoben on 108. Graz was over the WHO's daily guideline of 15 µg/m³ on 72 of them, Leoben on 45.

Right now

Graz#126on the 24-hour board of 1,611, at 70 US AQI (19.5 µg/m³)
Leoben–not on the 24-hour board right now

The last year, day by day

Graz
Leoben
Each city's daily mean from 6 Oct 2025 to 5 Oct 2026, one stripe a day, coloured by band. A blank stripe is a day without a daily mean.

Month by month

15Nov 2025DecGraz, Jan 2026: 31.3 µg/m³Leoben, Jan 2026: 19.5 µg/m³Jan 2026Graz, Feb: 19.4 µg/m³Leoben, Feb: 12.4 µg/m³FebGraz, Mar: 17.2 µg/m³Leoben, Mar: 14.9 µg/m³MarGraz, Apr: 11.0 µg/m³Leoben, Apr: 10.2 µg/m³AprGraz, May: 8.1 µg/m³Leoben, May: 8.3 µg/m³MayGraz, Jun: 8.4 µg/m³Leoben, Jun: 8.9 µg/m³JunGraz, Jul: 8.4 µg/m³Leoben, Jul: 9.3 µg/m³JulGraz, Aug: 9.6 µg/m³Leoben, Aug: 10.6 µg/m³AugGraz, Sep: 7.4 µg/m³Leoben, Sep: 7.8 µg/m³SepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Graz. Faded: Leoben. A month shows once both share 10 such days. Dashed line: the WHO daily guideline.

Each city's worst days

Graz

Leoben

Daily means in US AQI, over the days both cities were measured in the last year. Each date opens that day's world board.

Compare either city with another

Graz

Side by side with Gratkorn, Wolfsberg, Gujranwala.

Leoben

Side by side with Bruck an der Mur, Gujranwala.

Use this page

SmogRank, PM2.5 daily means compared, Graz and Leoben, 2 Jan 2026 – 24 Sep 2026, smogrank.com/compare/at-graz/at-leoben (accessed 6 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 2026-10-06 20:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.