SmogRank / Enns / Graz

Enns vs Graz: PM2.5 compared

Over the last year, Graz's air was 28% more polluted than Enns's: PM2.5 averaged 14.2 µg/m³ against 11.1, on the 331 days both cities were measured. Graz had the dirtier air on 240 of those days, Enns on 86. Graz was over the WHO's daily guideline of 15 µg/m³ on 119 of them, Enns on 79.

Right now

Enns#285on the 24-hour board of 1,616, at 60 US AQI (13.9 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

Enns

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

Monthly means in µg/m³ over the days both cities were measured. Solid: Enns. Faded: Graz. A month shows once both share 10 such days. Dashed line: the WHO daily guideline.

Year by year

Year	Enns	Graz	Days both measured	Days Enns was worse
2026 so far	54	60	267	74
2025	56	60	310	84
2024	56	67	148	37
2023	53	61	229	43

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

Enns

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

Enns

Side by side with Sankt Valentin, Gujranwala.

Graz

Side by side with Gratkorn, Wolfsberg, Gujranwala.

Use this page

SmogRank, PM2.5 daily means compared, Enns and Graz, 22 Oct 2025 – 5 Oct 2026, smogrank.com/compare/at-enns/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.