City in South Moravia, Czech Republic
Air quality in Brno
16PM2.5 µg/m³, yearly
Polluted
The annual average PM2.5 in Brno was 16 µg/m³ in 2021, about 3.2 times the WHO guideline of 5 µg/m³.
Key facts
- PM2.5: 16 µg/m³ yearly average (2021). Measured at Brno.
- PM10: 22 µg/m³ (2021).
- Nitrogen dioxide: 24 µg/m³ (2021), mostly from traffic.
- Recent average: 16.6 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 Czech Republic
| Place | PM2.5 | Level |
|---|---|---|
| Brno | 16 µg/m³ | Polluted |
| Prague | 18 µg/m³ | Polluted |
Quick answers
Is the air in Brno bad?
Polluted: 16 µg/m³ of PM2.5 on average, 3.2× the WHO guideline.
How does Brno compare with the rest of Czech Republic?
People in Czech Republic breathe 13 µg/m³ of PM2.5 on average (2023, World Bank/WHO), against 16 µg/m³ measured here.
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Sources
- WHO Ambient Air Quality Database
- WHO air quality guidelines (2021)
- Live air quality map (WAQI)
- Brno public transport (DPMB)
- Brno tourism
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 Spotted something out of date?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.