City, Switzerland
Air quality in Zurich
10PM2.5 µg/m³, yearly
Fairly clean
The annual average PM2.5 in Zurich was 10 µg/m³ in 2021, about 2.0 times the WHO guideline of 5 µg/m³.
Key facts
- PM2.5: 10 µg/m³ yearly average (2021). Measured at Zürich.
- PM10: 14 µg/m³ (2021).
- Nitrogen dioxide: 24 µg/m³ (2021), mostly from traffic.
- Recent average: 10.5 µg/m³ over the last five years of measurements.
PM2.5 by year
| Year | Annual average |
|---|---|
| 2021 | |
| 2020 | |
| 2019 | |
| 2019 | |
| 2018 | |
| 2018 | |
| 2017 | |
| 2017 | |
| 2016 | |
| 2016 | |
| 2015 | |
| 2015 |
Air quality across Switzerland
Quick answers
Is the air in Zurich bad?
Fairly clean: 10 µg/m³ of PM2.5 on average, 2.0× the WHO guideline.
How does Zurich compare with the rest of Switzerland?
People in Switzerland breathe 8 µg/m³ of PM2.5 on average (2023, World Bank/WHO), against 10 µg/m³ measured here.
More about Zurich
Going to Zurich solo?
SoloSquare is where travelers, nomads and locals in Zurich meet up for small plans: coffee, dinners, walks and day trips. Join one, or start your own in a minute.
Sources
- WHO Ambient Air Quality Database
- WHO air quality guidelines (2021)
- Live air quality map (WAQI)
- Zurich Airport
- Zurich Tourism
- SBB
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 Spotted something out of date?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.