Capital city in Bratislava Region, Slovakia
Air quality in Bratislava
13PM2.5 µg/m³, yearly
Moderate
The annual average PM2.5 in Bratislava was 13 µg/m³ in 2021, about 2.6 times the WHO guideline of 5 µg/m³.
Key facts
- PM2.5: 13 µg/m³ yearly average (2021). Measured at Bratislava.
- PM10: 19 µg/m³ (2021).
- Nitrogen dioxide: 18 µg/m³ (2021), mostly from traffic.
- Recent average: 14.2 µg/m³ over the last five years of measurements.
PM2.5 by year
| Year | Annual average |
|---|---|
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 |
Air quality across Slovakia
| Place | PM2.5 | Level |
|---|---|---|
| High Tatras | 7.9 µg/m³ | Fairly clean |
| Bratislava | 13 µg/m³ | Moderate |
| Košice | 18 µg/m³ | Polluted |
Quick answers
Is the air in Bratislava bad?
Moderate: 13 µg/m³ of PM2.5 on average, 2.6× the WHO guideline.
How does Bratislava compare with the rest of Slovakia?
People in Slovakia breathe 14 µg/m³ of PM2.5 on average (2023, World Bank/WHO), against 13 µg/m³ measured here.
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Sources
- WHO Ambient Air Quality Database
- WHO air quality guidelines (2021)
- Live air quality map (WAQI)
- Bratislava public transport (DPB)
- Bratislava Airport
- Visit Bratislava
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 Spotted something out of date?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.