City in Styria, Austria
Air quality in Graz
Moderate
The annual average PM2.5 in Graz was 15 µg/m³ in 2021, about 3.0 times the WHO guideline of 5 µg/m³. Winter temperature inversions can trap PM10 in the Mur valley in Dec–Feb.
Key facts
- PM2.5: 15 µg/m³ yearly average (2021). Measured at Graz.
- PM10: 22 µg/m³ (2021).
- Nitrogen dioxide: 24 µg/m³ (2021), mostly from traffic.
- Worst months: Dec–Feb.
- Recent average: 16.8 µg/m³ over the last five years of measurements.
PM2.5 by year
| Year | Annual average |
|---|---|
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 |
Air quality across Austria
| Place | PM2.5 | Level |
|---|---|---|
| Zell am See | 6.8 µg/m³ | Fairly clean |
| Innsbruck | 8 µg/m³ | Fairly clean |
| Salzburg | 9 µg/m³ | Fairly clean |
| Vienna | 11 µg/m³ | Moderate |
| Graz | 15 µg/m³ | Moderate |
Quick answers
Is the air in Graz bad?
Moderate: 15 µg/m³ of PM2.5 on average, 3.0× the WHO guideline. It's usually worst in Dec–Feb.
When is the air worst in Graz?
Winter temperature inversions can trap PM10 in the Mur valley in Dec–Feb.
How does Graz compare with the rest of Austria?
People in Austria breathe 10 µg/m³ of PM2.5 on average (2023, World Bank/WHO), against 15 µg/m³ measured here.
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Sources
- WHO Ambient Air Quality Database
- WHO air quality guidelines (2021)
- Live air quality map (WAQI)
- Graz Tourism
- Holding Graz Linien
- Graz Airport
Annual averages are measured values reported to the WHO; check a live map for today's air. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.