SmogRank / Freistadt / Graz

Freistadt vs Graz: PM2.5 compared

Over the last year, Graz's air was about 2.4× as polluted as Freistadt's: PM2.5 averaged 14.2 µg/m³ against 6.0, on the 331 days both cities were measured. Graz had the dirtier air on 303 of those days, Freistadt on 26. Graz was over the WHO's daily guideline of 15 µg/m³ on 120 of them, Freistadt on 14.

Right now

Freistadt#670on the 24-hour board of 1,616, at 45 US AQI (8.1 µg/m³)
Graz#121on the 24-hour board of 1,616, at 70 US AQI (19.5 µg/m³)

The last year, day by day

Freistadt
Graz
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

15Freistadt, Nov 2025: 4.9 µg/m³Graz, Nov 2025: 14.9 µg/m³Nov 2025Freistadt, Dec: 3.5 µg/m³Graz, Dec: 19.5 µg/m³DecFreistadt, Jan 2026: 7.4 µg/m³Graz, Jan 2026: 32.6 µg/m³Jan 2026Freistadt, Feb: 7.4 µg/m³Graz, Feb: 19.4 µg/m³FebFreistadt, Mar: 10.3 µg/m³Graz, Mar: 17.2 µg/m³MarFreistadt, Apr: 6.9 µg/m³Graz, Apr: 11.0 µg/m³AprFreistadt, May: 4.7 µg/m³Graz, May: 8.1 µg/m³MayFreistadt, Jun: 5.1 µg/m³Graz, Jun: 8.4 µg/m³JunFreistadt, Jul: 4.8 µg/m³Graz, Jul: 8.4 µg/m³JulFreistadt, Aug: 6.3 µg/m³Graz, Aug: 9.6 µg/m³AugFreistadt, Sep: 4.6 µg/m³Graz, Sep: 8.3 µg/m³SepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Freistadt. Faded: Graz. A month shows once both share 10 such days. Dashed line: the WHO daily guideline.

Year by year

YearFreistadtGrazDays both measuredDays Freistadt was worse
2026 so far366026623
2025336030521
2024346714610
2023336127723

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

Freistadt

Graz

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

Freistadt

Side by side with Linz, Gujranwala.

Graz

Side by side with Gratkorn, Wolfsberg, Gujranwala.

Use this page

SmogRank, PM2.5 daily means compared, Freistadt and Graz, 22 Oct 2025 – 5 Oct 2026, smogrank.com/compare/at-freistadt/at-graz (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 21:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.