SmogRank / Amstetten / Graz

Amstetten vs Graz: PM2.5 compared

Over the last year, Graz's air was 35% more polluted than Amstetten's: PM2.5 averaged 14.2 µg/m³ against 10.5, on the 329 days both cities were measured. Graz had the dirtier air on 265 of those days, Amstetten on 61. Graz was over the WHO's daily guideline of 15 µg/m³ on 120 of them, Amstetten on 84.

Right now

Amstetten#313on the 24-hour board of 1,611, at 58 US AQI (13.1 µg/m³)
Graz#126on the 24-hour board of 1,611, at 70 US AQI (19.5 µg/m³)

The last year, day by day

Amstetten
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

15Amstetten, Nov 2025: 14.0 µg/m³Graz, Nov 2025: 14.9 µg/m³Nov 2025Amstetten, Dec: 12.4 µg/m³Graz, Dec: 19.5 µg/m³DecAmstetten, Jan 2026: 19.2 µg/m³Graz, Jan 2026: 32.6 µg/m³Jan 2026Amstetten, Feb: 14.7 µg/m³Graz, Feb: 19.4 µg/m³FebAmstetten, Mar: 15.0 µg/m³Graz, Mar: 17.2 µg/m³MarAmstetten, Apr: 8.8 µg/m³Graz, Apr: 11.0 µg/m³AprAmstetten, May: 5.8 µg/m³Graz, May: 8.1 µg/m³MayAmstetten, Jun: 6.3 µg/m³Graz, Jun: 8.0 µg/m³JunAmstetten, Jul: 6.1 µg/m³Graz, Jul: 8.2 µg/m³JulAmstetten, Aug: 7.0 µg/m³Graz, Aug: 9.6 µg/m³AugAmstetten, Sep: 6.1 µg/m³Graz, Sep: 8.4 µg/m³SepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Amstetten. Faded: Graz. A month shows once both share 10 such days. Dashed line: the WHO daily guideline.

Year by year

YearAmstettenGrazDays both measuredDays Amstetten was worse
2026 so far536026448
2025546031167
2024546715025
2023526133145

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

Amstetten

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

Amstetten

Side by side with Sankt Valentin, Gujranwala.

Graz

Side by side with Gratkorn, Wolfsberg, Gujranwala.

Use this page

SmogRank, PM2.5 daily means compared, Amstetten and Graz, 22 Oct 2025 – 5 Oct 2026, smogrank.com/compare/at-amstetten/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 20:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.