Reference Data in Bratislava 18 indicators covering reference data for Bratislava. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree -63.42 % change on previous year 2025 down 148.9% 921st Cooling and heating degree days - Cities and FUAs — Change in cooling -119.48 % change on previous year 2025 down 113.1% 622nd Cooling and heating degree days - Cities and FUAs, annual growth rate -3.62 % change on previous year 2025 down 124.6% 532nd Cooling and heating degree days - Cities and FUAs — Change in heating -14.44 % change on previous year 2025 down 132.6% 534th Cooling and heating degree days - Cities and FUAs — Cooling degree 94.45 Degree days 2025 down 61.2% 650th Cooling and heating degree days - Cities and FUAs — Change in cooling -26.7 Degree days 2025 down 121.8% 950th Cooling and heating degree days - Cities and FUAs 1,832 Degree days 2025 down 10.5% 478th Cooling and heating degree days - Cities and FUAs — Change in heating -545.78 Degree days 2025 down 65.2% 1110th Precipitation - Cities and FUAs — Extreme precipitation days 5.62 Days per year 2024 down 8.8% 681st Precipitation - Cities and FUAs — Change in extreme precipitation 2.65 Days per year 2024 down 16.9% 366th Dependency ratio - Cities and FUAs 31.4 Percentage of population aged 15-64 years 2024 up 38.9% 490th Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 — 271st Coastal flooding - Cities and FUAs — Built-up area exposure to 0 Percentage of built-up area 2022 — 277th Internet speed - Cities and FUAs — Uploading speed 2.7 Percentage of national value 2025 down 93.0% 655th Internet speed - Cities and FUAs — Downloading speed 27.5 Percentage of national value 2025 down 66.5% 97th Correction coefficients in the European Union (Duty stations) - index 85.1 Index 2025 up 11.4% 26th Purchasing Power Parities in the European Union (Duty stations) 0.851 Index 2025 up 11.4% 30th Nitrogen dioxide concentrations in European capital cities - monthly 13.5 Micrograms per cubic metre 2026 down 50.2% 19th