Reference Data in Bruxelles/Brussel 21 indicators covering reference data for Bruxelles/Brussel. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree -27.37 % change on previous year 2025 down 124.3% 480th Cooling and heating degree days - Cities and FUAs — Change in cooling -130.3 % change on previous year 2025 down 152.4% 681st Cooling and heating degree days - Cities and FUAs, annual growth rate 1.92 % change on previous year 2025 down 86.6% 372nd Cooling and heating degree days - Cities and FUAs — Change in heating 10.62 % change on previous year 2025 down 78.5% 385th Cooling and heating degree days - Cities and FUAs — Change in heating -282.63 Degree days 2025 down 20.5% 589th Cooling and heating degree days - Cities and FUAs 1,783 Degree days 2025 down 2.6% 509th Cooling and heating degree days - Cities and FUAs — Change in cooling -3.24 Degree days 2025 down 117.4% 535th Cooling and heating degree days - Cities and FUAs — Cooling degree 36.99 Degree days 2025 down 37.2% 823rd Precipitation - Cities and FUAs — Extreme precipitation days 3.6 Days per year 2024 down 5.2% 904th Precipitation - Cities and FUAs — Change in extreme precipitation 2.16 Days per year 2024 down 8.4% 440th Dependency ratio - Cities and FUAs 20.2 Percentage of population aged 15-64 years 2025 down 2.9% 1015th 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 — Downloading speed 11 Percentage of national value 2025 up 192.4% 440th Internet speed - Cities and FUAs — Uploading speed 87.3 Percentage of national value 2025 up 7,375.0% 7th Correction coefficients outside the European Union (Duty stations) 100 Index 2025 unchanged 41st Purchasing Power Parities outside the European Union (Duty stations) 1 Purchasing power standard (PPS) 2025 unchanged 139th Correction coefficients outside the European Union (Duty stations) 100 Index 2025 unchanged 39th Correction coefficients in the European Union (Duty stations) - index 100 Index 2025 unchanged 12th Purchasing Power Parities in the European Union (Duty stations) 1 Index 2025 unchanged 16th Nitrogen dioxide concentrations in European capital cities - monthly 15 Micrograms per cubic metre 2026 down 58.1% 14th